./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fcbb6774587cda7a5d573623a9a47b3e351563c8bea7eebdf86bc25d20b8061 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:51:14,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:51:14,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:51:14,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:51:14,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:51:14,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:51:14,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:51:14,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:51:14,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:51:14,638 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:51:14,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:51:14,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:51:14,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:51:14,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:51:14,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:51:14,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:51:14,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:51:14,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:51:14,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:51:14,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:51:14,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:51:14,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:51:14,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:51:14,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:51:14,644 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:51:14,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:51:14,644 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:51:14,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:51:14,644 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:51:14,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:51:14,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:51:14,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:51:14,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:51:14,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:51:14,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:51:14,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:51:14,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:51:14,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:51:14,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:51:14,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:51:14,649 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:51:14,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:51:14,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:51:14,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:51:14,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:51:14,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:51:14,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:51:14,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:51:14,650 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 6fcbb6774587cda7a5d573623a9a47b3e351563c8bea7eebdf86bc25d20b8061 [2024-11-23 22:51:15,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:51:15,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:51:15,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:51:15,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:51:15,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:51:15,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-23 22:51:18,217 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/data/fa5e8e03b/7973b5e038b245528e546d256e48ba67/FLAG1e52fac1d [2024-11-23 22:51:18,691 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:51:18,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-23 22:51:18,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/data/fa5e8e03b/7973b5e038b245528e546d256e48ba67/FLAG1e52fac1d [2024-11-23 22:51:18,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/data/fa5e8e03b/7973b5e038b245528e546d256e48ba67 [2024-11-23 22:51:18,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:51:18,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:51:18,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:51:18,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:51:18,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:51:18,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:51:18" (1/1) ... [2024-11-23 22:51:18,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb03f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:18, skipping insertion in model container [2024-11-23 22:51:18,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:51:18" (1/1) ... [2024-11-23 22:51:18,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:51:19,275 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8891,8904] [2024-11-23 22:51:19,323 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12143,12156] [2024-11-23 22:51:19,347 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13299,13312] [2024-11-23 22:51:19,357 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13955,13968] [2024-11-23 22:51:19,384 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15434,15447] [2024-11-23 22:51:19,397 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16090,16103] [2024-11-23 22:51:19,413 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17074,17087] [2024-11-23 22:51:19,446 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19370,19383] [2024-11-23 22:51:19,453 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20029,20042] [2024-11-23 22:51:19,462 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21011,21024] [2024-11-23 22:51:19,478 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22802,22815] [2024-11-23 22:51:19,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:51:19,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:51:19,707 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8891,8904] [2024-11-23 22:51:19,730 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12143,12156] [2024-11-23 22:51:19,742 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13299,13312] [2024-11-23 22:51:19,749 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13955,13968] [2024-11-23 22:51:19,762 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15434,15447] [2024-11-23 22:51:19,767 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16090,16103] [2024-11-23 22:51:19,774 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17074,17087] [2024-11-23 22:51:19,784 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19370,19383] [2024-11-23 22:51:19,788 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20029,20042] [2024-11-23 22:51:19,796 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21011,21024] [2024-11-23 22:51:19,807 WARN L250 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_178a5210-c60e-44e4-9ea2-5aa4c759f476/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22802,22815] [2024-11-23 22:51:19,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:51:19,940 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:51:19,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19 WrapperNode [2024-11-23 22:51:19,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:51:19,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:51:19,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:51:19,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:51:19,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:19,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,073 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1922 [2024-11-23 22:51:20,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:51:20,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:51:20,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:51:20,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:51:20,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,159 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 22:51:20,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,208 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:51:20,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:51:20,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:51:20,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:51:20,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (1/1) ... [2024-11-23 22:51:20,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:51:20,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:51:20,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:51:20,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:51:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:51:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:51:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:51:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:51:20,629 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:51:20,632 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:51:22,812 INFO L? ?]: Removed 294 outVars from TransFormulas that were not future-live. [2024-11-23 22:51:22,812 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:51:22,850 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:51:22,850 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:51:22,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:51:22 BoogieIcfgContainer [2024-11-23 22:51:22,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:51:22,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:51:22,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:51:22,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:51:22,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:51:18" (1/3) ... [2024-11-23 22:51:22,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a807da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:51:22, skipping insertion in model container [2024-11-23 22:51:22,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:19" (2/3) ... [2024-11-23 22:51:22,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a807da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:51:22, skipping insertion in model container [2024-11-23 22:51:22,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:51:22" (3/3) ... [2024-11-23 22:51:22,868 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-23 22:51:22,889 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:51:22,893 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c that has 1 procedures, 357 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2024-11-23 22:51:23,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:51:23,019 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cfd24ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:51:23,019 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-23 22:51:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 357 states, 345 states have (on average 1.8376811594202898) internal successors, (634), 356 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-23 22:51:23,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:23,044 INFO L218 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] [2024-11-23 22:51:23,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:23,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:23,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1863160701, now seen corresponding path program 1 times [2024-11-23 22:51:23,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:23,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522870313] [2024-11-23 22:51:23,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:23,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:23,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522870313] [2024-11-23 22:51:23,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522870313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:23,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:23,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:51:23,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019473636] [2024-11-23 22:51:23,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:23,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:51:23,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:23,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:51:23,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:51:23,978 INFO L87 Difference]: Start difference. First operand has 357 states, 345 states have (on average 1.8376811594202898) internal successors, (634), 356 states have internal predecessors, (634), 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 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:24,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:24,508 INFO L93 Difference]: Finished difference Result 569 states and 972 transitions. [2024-11-23 22:51:24,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:51:24,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 58 [2024-11-23 22:51:24,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:24,530 INFO L225 Difference]: With dead ends: 569 [2024-11-23 22:51:24,530 INFO L226 Difference]: Without dead ends: 293 [2024-11-23 22:51:24,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:51:24,542 INFO L435 NwaCegarLoop]: 348 mSDtfsCounter, 1454 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:24,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 362 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:51:24,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-23 22:51:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-23 22:51:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 282 states have (on average 1.301418439716312) internal successors, (367), 292 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 367 transitions. [2024-11-23 22:51:24,622 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 367 transitions. Word has length 58 [2024-11-23 22:51:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:24,623 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 367 transitions. [2024-11-23 22:51:24,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 367 transitions. [2024-11-23 22:51:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-23 22:51:24,629 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:24,630 INFO L218 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] [2024-11-23 22:51:24,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:51:24,631 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:24,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:24,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1094505509, now seen corresponding path program 1 times [2024-11-23 22:51:24,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:24,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258860923] [2024-11-23 22:51:24,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:24,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:25,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:25,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258860923] [2024-11-23 22:51:25,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258860923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:25,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:25,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:51:25,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123769619] [2024-11-23 22:51:25,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:25,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:51:25,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:25,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:51:25,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:51:25,046 INFO L87 Difference]: Start difference. First operand 293 states and 367 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:25,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:25,455 INFO L93 Difference]: Finished difference Result 496 states and 637 transitions. [2024-11-23 22:51:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:51:25,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 59 [2024-11-23 22:51:25,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:25,458 INFO L225 Difference]: With dead ends: 496 [2024-11-23 22:51:25,458 INFO L226 Difference]: Without dead ends: 273 [2024-11-23 22:51:25,459 INFO L434 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 [2024-11-23 22:51:25,459 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 951 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:25,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 211 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:51:25,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-23 22:51:25,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2024-11-23 22:51:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 262 states have (on average 1.3053435114503817) internal successors, (342), 272 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 342 transitions. [2024-11-23 22:51:25,474 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 342 transitions. Word has length 59 [2024-11-23 22:51:25,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:25,475 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 342 transitions. [2024-11-23 22:51:25,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 342 transitions. [2024-11-23 22:51:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-23 22:51:25,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:25,479 INFO L218 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] [2024-11-23 22:51:25,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:51:25,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:25,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:25,480 INFO L85 PathProgramCache]: Analyzing trace with hash 568036411, now seen corresponding path program 1 times [2024-11-23 22:51:25,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:25,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601561737] [2024-11-23 22:51:25,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:25,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:25,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:25,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:25,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601561737] [2024-11-23 22:51:25,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601561737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:25,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:25,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:51:25,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942130956] [2024-11-23 22:51:25,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:25,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:51:25,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:25,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:51:25,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:51:25,786 INFO L87 Difference]: Start difference. First operand 273 states and 342 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:26,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:26,136 INFO L93 Difference]: Finished difference Result 476 states and 611 transitions. [2024-11-23 22:51:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:51:26,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2024-11-23 22:51:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:26,138 INFO L225 Difference]: With dead ends: 476 [2024-11-23 22:51:26,139 INFO L226 Difference]: Without dead ends: 254 [2024-11-23 22:51:26,140 INFO L434 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 [2024-11-23 22:51:26,140 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 911 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:26,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 200 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:51:26,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-23 22:51:26,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2024-11-23 22:51:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 243 states have (on average 1.316872427983539) internal successors, (320), 253 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 320 transitions. [2024-11-23 22:51:26,159 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 320 transitions. Word has length 60 [2024-11-23 22:51:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:26,159 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 320 transitions. [2024-11-23 22:51:26,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:26,160 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 320 transitions. [2024-11-23 22:51:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-23 22:51:26,166 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:26,166 INFO L218 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] [2024-11-23 22:51:26,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:51:26,167 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:26,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:26,167 INFO L85 PathProgramCache]: Analyzing trace with hash -715476529, now seen corresponding path program 1 times [2024-11-23 22:51:26,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:26,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556890272] [2024-11-23 22:51:26,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:26,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:26,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:26,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556890272] [2024-11-23 22:51:26,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556890272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:26,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:26,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:51:26,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133693451] [2024-11-23 22:51:26,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:26,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:51:26,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:26,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:51:26,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:51:26,538 INFO L87 Difference]: Start difference. First operand 254 states and 320 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:26,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:26,852 INFO L93 Difference]: Finished difference Result 457 states and 588 transitions. [2024-11-23 22:51:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:51:26,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2024-11-23 22:51:26,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:26,854 INFO L225 Difference]: With dead ends: 457 [2024-11-23 22:51:26,855 INFO L226 Difference]: Without dead ends: 246 [2024-11-23 22:51:26,855 INFO L434 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 [2024-11-23 22:51:26,856 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 868 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:26,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 196 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:51:26,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-23 22:51:26,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-23 22:51:26,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3191489361702127) internal successors, (310), 245 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 310 transitions. [2024-11-23 22:51:26,868 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 310 transitions. Word has length 61 [2024-11-23 22:51:26,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:26,868 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 310 transitions. [2024-11-23 22:51:26,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 310 transitions. [2024-11-23 22:51:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-23 22:51:26,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:26,878 INFO L218 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] [2024-11-23 22:51:26,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:51:26,879 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:26,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash 207205371, now seen corresponding path program 1 times [2024-11-23 22:51:26,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:26,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311223796] [2024-11-23 22:51:26,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:26,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:27,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:27,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311223796] [2024-11-23 22:51:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311223796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:27,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:27,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:51:27,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465301491] [2024-11-23 22:51:27,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:27,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:51:27,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:27,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:51:27,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:51:27,476 INFO L87 Difference]: Start difference. First operand 246 states and 310 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:28,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:28,274 INFO L93 Difference]: Finished difference Result 470 states and 610 transitions. [2024-11-23 22:51:28,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:51:28,275 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 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 62 [2024-11-23 22:51:28,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:28,277 INFO L225 Difference]: With dead ends: 470 [2024-11-23 22:51:28,277 INFO L226 Difference]: Without dead ends: 382 [2024-11-23 22:51:28,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-23 22:51:28,279 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 1473 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1473 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:28,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1473 Valid, 783 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:51:28,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-23 22:51:28,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 246. [2024-11-23 22:51:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3148936170212766) internal successors, (309), 245 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:28,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 309 transitions. [2024-11-23 22:51:28,295 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 309 transitions. Word has length 62 [2024-11-23 22:51:28,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:28,296 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 309 transitions. [2024-11-23 22:51:28,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 309 transitions. [2024-11-23 22:51:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-23 22:51:28,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:28,297 INFO L218 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] [2024-11-23 22:51:28,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:51:28,297 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:28,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:28,298 INFO L85 PathProgramCache]: Analyzing trace with hash -201639857, now seen corresponding path program 1 times [2024-11-23 22:51:28,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:28,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791874250] [2024-11-23 22:51:28,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:28,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:28,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:28,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791874250] [2024-11-23 22:51:28,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791874250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:28,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:28,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:51:28,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596530908] [2024-11-23 22:51:28,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:28,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:51:28,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:28,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:51:28,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:51:28,921 INFO L87 Difference]: Start difference. First operand 246 states and 309 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:29,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:29,749 INFO L93 Difference]: Finished difference Result 444 states and 576 transitions. [2024-11-23 22:51:29,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:51:29,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 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 62 [2024-11-23 22:51:29,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:29,753 INFO L225 Difference]: With dead ends: 444 [2024-11-23 22:51:29,756 INFO L226 Difference]: Without dead ends: 378 [2024-11-23 22:51:29,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:51:29,758 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 1633 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:29,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 881 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:51:29,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-23 22:51:29,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 246. [2024-11-23 22:51:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3106382978723403) internal successors, (308), 245 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 308 transitions. [2024-11-23 22:51:29,772 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 308 transitions. Word has length 62 [2024-11-23 22:51:29,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:29,774 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 308 transitions. [2024-11-23 22:51:29,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:29,774 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 308 transitions. [2024-11-23 22:51:29,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-23 22:51:29,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:29,775 INFO L218 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] [2024-11-23 22:51:29,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:51:29,778 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:29,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:29,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1938423665, now seen corresponding path program 1 times [2024-11-23 22:51:29,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:29,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373010013] [2024-11-23 22:51:29,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:29,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:30,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:30,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373010013] [2024-11-23 22:51:30,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373010013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:30,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:30,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:51:30,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137542411] [2024-11-23 22:51:30,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:30,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 22:51:30,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:30,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 22:51:30,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:51:30,291 INFO L87 Difference]: Start difference. First operand 246 states and 308 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:31,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:31,010 INFO L93 Difference]: Finished difference Result 485 states and 610 transitions. [2024-11-23 22:51:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 22:51:31,011 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 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 62 [2024-11-23 22:51:31,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:31,013 INFO L225 Difference]: With dead ends: 485 [2024-11-23 22:51:31,014 INFO L226 Difference]: Without dead ends: 352 [2024-11-23 22:51:31,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-23 22:51:31,017 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 1276 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:31,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 764 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:51:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-23 22:51:31,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 246. [2024-11-23 22:51:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3063829787234043) internal successors, (307), 245 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 307 transitions. [2024-11-23 22:51:31,032 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 307 transitions. Word has length 62 [2024-11-23 22:51:31,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:31,033 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 307 transitions. [2024-11-23 22:51:31,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 307 transitions. [2024-11-23 22:51:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 22:51:31,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:31,035 INFO L218 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] [2024-11-23 22:51:31,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:51:31,035 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:31,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:31,036 INFO L85 PathProgramCache]: Analyzing trace with hash -2031197374, now seen corresponding path program 1 times [2024-11-23 22:51:31,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:31,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344526773] [2024-11-23 22:51:31,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:31,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:31,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:31,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344526773] [2024-11-23 22:51:31,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344526773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:31,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:31,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:51:31,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906407769] [2024-11-23 22:51:31,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:31,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:51:31,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:31,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:51:31,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:51:31,532 INFO L87 Difference]: Start difference. First operand 246 states and 307 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:32,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:32,357 INFO L93 Difference]: Finished difference Result 429 states and 549 transitions. [2024-11-23 22:51:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:51:32,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-23 22:51:32,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:32,359 INFO L225 Difference]: With dead ends: 429 [2024-11-23 22:51:32,359 INFO L226 Difference]: Without dead ends: 370 [2024-11-23 22:51:32,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:51:32,361 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 1673 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:32,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 782 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:51:32,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-23 22:51:32,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 246. [2024-11-23 22:51:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.3021276595744682) internal successors, (306), 245 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 306 transitions. [2024-11-23 22:51:32,371 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 306 transitions. Word has length 64 [2024-11-23 22:51:32,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:32,371 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 306 transitions. [2024-11-23 22:51:32,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 306 transitions. [2024-11-23 22:51:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 22:51:32,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:32,377 INFO L218 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] [2024-11-23 22:51:32,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:51:32,377 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:32,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:32,378 INFO L85 PathProgramCache]: Analyzing trace with hash -119000272, now seen corresponding path program 1 times [2024-11-23 22:51:32,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:32,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612035553] [2024-11-23 22:51:32,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:32,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:32,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:32,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:32,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612035553] [2024-11-23 22:51:32,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612035553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:32,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:32,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:51:32,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268861498] [2024-11-23 22:51:32,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:32,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:51:32,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:32,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:51:32,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:51:32,814 INFO L87 Difference]: Start difference. First operand 246 states and 306 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:33,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:33,579 INFO L93 Difference]: Finished difference Result 449 states and 577 transitions. [2024-11-23 22:51:33,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 22:51:33,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-23 22:51:33,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:33,582 INFO L225 Difference]: With dead ends: 449 [2024-11-23 22:51:33,582 INFO L226 Difference]: Without dead ends: 378 [2024-11-23 22:51:33,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:51:33,583 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 1164 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:33,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 866 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 22:51:33,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-23 22:51:33,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 246. [2024-11-23 22:51:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.297872340425532) internal successors, (305), 245 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 305 transitions. [2024-11-23 22:51:33,592 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 305 transitions. Word has length 64 [2024-11-23 22:51:33,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:33,592 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 305 transitions. [2024-11-23 22:51:33,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 305 transitions. [2024-11-23 22:51:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 22:51:33,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:33,593 INFO L218 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] [2024-11-23 22:51:33,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 22:51:33,594 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:33,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:33,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1520301075, now seen corresponding path program 1 times [2024-11-23 22:51:33,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:33,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177888710] [2024-11-23 22:51:33,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:33,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:33,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:33,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177888710] [2024-11-23 22:51:33,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177888710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:33,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:33,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:51:33,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618137906] [2024-11-23 22:51:33,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:33,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:51:33,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:33,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:51:33,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:51:33,982 INFO L87 Difference]: Start difference. First operand 246 states and 305 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:34,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:34,643 INFO L93 Difference]: Finished difference Result 426 states and 544 transitions. [2024-11-23 22:51:34,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:51:34,644 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-23 22:51:34,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:34,646 INFO L225 Difference]: With dead ends: 426 [2024-11-23 22:51:34,646 INFO L226 Difference]: Without dead ends: 370 [2024-11-23 22:51:34,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-23 22:51:34,647 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 1073 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:34,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 938 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 22:51:34,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-23 22:51:34,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 246. [2024-11-23 22:51:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.2936170212765958) internal successors, (304), 245 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 304 transitions. [2024-11-23 22:51:34,655 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 304 transitions. Word has length 64 [2024-11-23 22:51:34,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:34,656 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 304 transitions. [2024-11-23 22:51:34,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 304 transitions. [2024-11-23 22:51:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 22:51:34,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:34,657 INFO L218 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] [2024-11-23 22:51:34,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 22:51:34,657 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:34,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:34,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1508633347, now seen corresponding path program 1 times [2024-11-23 22:51:34,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:34,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551064974] [2024-11-23 22:51:34,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:34,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:35,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:35,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551064974] [2024-11-23 22:51:35,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551064974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:35,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:35,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 22:51:35,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180590997] [2024-11-23 22:51:35,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:35,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 22:51:35,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:35,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 22:51:35,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 22:51:35,275 INFO L87 Difference]: Start difference. First operand 246 states and 304 transitions. Second operand has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:36,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:36,636 INFO L93 Difference]: Finished difference Result 517 states and 671 transitions. [2024-11-23 22:51:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 22:51:36,637 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-23 22:51:36,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:36,640 INFO L225 Difference]: With dead ends: 517 [2024-11-23 22:51:36,640 INFO L226 Difference]: Without dead ends: 512 [2024-11-23 22:51:36,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-23 22:51:36,641 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 3402 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:36,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3402 Valid, 1041 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 22:51:36,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-23 22:51:36,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 250. [2024-11-23 22:51:36,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 239 states have (on average 1.288702928870293) internal successors, (308), 249 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:36,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 308 transitions. [2024-11-23 22:51:36,653 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 308 transitions. Word has length 64 [2024-11-23 22:51:36,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:36,653 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 308 transitions. [2024-11-23 22:51:36,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.333333333333333) internal successors, (64), 11 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:36,654 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 308 transitions. [2024-11-23 22:51:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 22:51:36,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:36,655 INFO L218 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] [2024-11-23 22:51:36,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:51:36,655 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:36,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:36,656 INFO L85 PathProgramCache]: Analyzing trace with hash -2027506619, now seen corresponding path program 1 times [2024-11-23 22:51:36,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:36,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442637723] [2024-11-23 22:51:36,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:36,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:37,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:37,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:37,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442637723] [2024-11-23 22:51:37,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442637723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:37,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:37,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:51:37,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452600929] [2024-11-23 22:51:37,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:37,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:51:37,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:37,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:51:37,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:51:37,043 INFO L87 Difference]: Start difference. First operand 250 states and 308 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:37,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:37,922 INFO L93 Difference]: Finished difference Result 480 states and 613 transitions. [2024-11-23 22:51:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 22:51:37,923 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-23 22:51:37,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:37,925 INFO L225 Difference]: With dead ends: 480 [2024-11-23 22:51:37,925 INFO L226 Difference]: Without dead ends: 386 [2024-11-23 22:51:37,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:51:37,926 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 1439 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:37,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 1004 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:51:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-23 22:51:37,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 250. [2024-11-23 22:51:37,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 239 states have (on average 1.284518828451883) internal successors, (307), 249 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 307 transitions. [2024-11-23 22:51:37,942 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 307 transitions. Word has length 64 [2024-11-23 22:51:37,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:37,943 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 307 transitions. [2024-11-23 22:51:37,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:37,944 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 307 transitions. [2024-11-23 22:51:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 22:51:37,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:37,945 INFO L218 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] [2024-11-23 22:51:37,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 22:51:37,945 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:37,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:37,946 INFO L85 PathProgramCache]: Analyzing trace with hash -904154553, now seen corresponding path program 1 times [2024-11-23 22:51:37,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:37,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298318128] [2024-11-23 22:51:37,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:37,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:38,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:38,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298318128] [2024-11-23 22:51:38,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298318128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:38,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:38,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:51:38,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962290386] [2024-11-23 22:51:38,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:38,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:51:38,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:38,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:51:38,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:51:38,396 INFO L87 Difference]: Start difference. First operand 250 states and 307 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:39,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:39,264 INFO L93 Difference]: Finished difference Result 375 states and 463 transitions. [2024-11-23 22:51:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:51:39,265 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-23 22:51:39,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:39,267 INFO L225 Difference]: With dead ends: 375 [2024-11-23 22:51:39,267 INFO L226 Difference]: Without dead ends: 370 [2024-11-23 22:51:39,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:51:39,268 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 1416 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:39,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 944 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:51:39,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-23 22:51:39,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 250. [2024-11-23 22:51:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 239 states have (on average 1.2803347280334727) internal successors, (306), 249 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 306 transitions. [2024-11-23 22:51:39,278 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 306 transitions. Word has length 64 [2024-11-23 22:51:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:39,279 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 306 transitions. [2024-11-23 22:51:39,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 306 transitions. [2024-11-23 22:51:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 22:51:39,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:39,280 INFO L218 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] [2024-11-23 22:51:39,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 22:51:39,281 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:39,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:39,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1008042549, now seen corresponding path program 1 times [2024-11-23 22:51:39,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:39,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322169899] [2024-11-23 22:51:39,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:39,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:39,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:39,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:39,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322169899] [2024-11-23 22:51:39,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322169899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:39,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:39,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:51:39,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890058846] [2024-11-23 22:51:39,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:39,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:51:39,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:39,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:51:39,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:51:39,673 INFO L87 Difference]: Start difference. First operand 250 states and 306 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:40,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:40,525 INFO L93 Difference]: Finished difference Result 399 states and 495 transitions. [2024-11-23 22:51:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:51:40,525 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-23 22:51:40,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:40,529 INFO L225 Difference]: With dead ends: 399 [2024-11-23 22:51:40,529 INFO L226 Difference]: Without dead ends: 382 [2024-11-23 22:51:40,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-23 22:51:40,531 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 934 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:40,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1274 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 22:51:40,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-23 22:51:40,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 250. [2024-11-23 22:51:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 239 states have (on average 1.2761506276150627) internal successors, (305), 249 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2024-11-23 22:51:40,541 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 64 [2024-11-23 22:51:40,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:40,541 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2024-11-23 22:51:40,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2024-11-23 22:51:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-23 22:51:40,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:40,545 INFO L218 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] [2024-11-23 22:51:40,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 22:51:40,546 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:40,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:40,546 INFO L85 PathProgramCache]: Analyzing trace with hash -743174492, now seen corresponding path program 1 times [2024-11-23 22:51:40,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:40,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462020728] [2024-11-23 22:51:40,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:40,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:40,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:40,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462020728] [2024-11-23 22:51:40,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462020728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:40,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:40,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:51:40,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457785434] [2024-11-23 22:51:40,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:40,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:51:40,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:40,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:51:40,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:51:40,863 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:41,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:41,747 INFO L93 Difference]: Finished difference Result 375 states and 461 transitions. [2024-11-23 22:51:41,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 22:51:41,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 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 65 [2024-11-23 22:51:41,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:41,749 INFO L225 Difference]: With dead ends: 375 [2024-11-23 22:51:41,750 INFO L226 Difference]: Without dead ends: 370 [2024-11-23 22:51:41,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:51:41,753 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 981 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:41,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 989 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 22:51:41,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-23 22:51:41,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 246. [2024-11-23 22:51:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 235 states have (on average 1.2765957446808511) internal successors, (300), 245 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 300 transitions. [2024-11-23 22:51:41,763 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 300 transitions. Word has length 65 [2024-11-23 22:51:41,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:41,763 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 300 transitions. [2024-11-23 22:51:41,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 300 transitions. [2024-11-23 22:51:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 22:51:41,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:41,765 INFO L218 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] [2024-11-23 22:51:41,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 22:51:41,765 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:41,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:41,766 INFO L85 PathProgramCache]: Analyzing trace with hash 370944031, now seen corresponding path program 1 times [2024-11-23 22:51:41,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:41,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454187849] [2024-11-23 22:51:41,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:41,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:42,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:42,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454187849] [2024-11-23 22:51:42,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454187849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:42,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:42,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 22:51:42,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051381482] [2024-11-23 22:51:42,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:42,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 22:51:42,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:42,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 22:51:42,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:51:42,524 INFO L87 Difference]: Start difference. First operand 246 states and 300 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:43,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:43,389 INFO L93 Difference]: Finished difference Result 600 states and 765 transitions. [2024-11-23 22:51:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 22:51:43,390 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-23 22:51:43,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:43,392 INFO L225 Difference]: With dead ends: 600 [2024-11-23 22:51:43,392 INFO L226 Difference]: Without dead ends: 483 [2024-11-23 22:51:43,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-23 22:51:43,394 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 1265 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 1845 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:43,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 1845 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:51:43,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-23 22:51:43,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 183. [2024-11-23 22:51:43,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 176 states have (on average 1.2670454545454546) internal successors, (223), 182 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2024-11-23 22:51:43,403 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 223 transitions. Word has length 66 [2024-11-23 22:51:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:43,403 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 223 transitions. [2024-11-23 22:51:43,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 223 transitions. [2024-11-23 22:51:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 22:51:43,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:43,404 INFO L218 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] [2024-11-23 22:51:43,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 22:51:43,405 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:43,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:43,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1787778406, now seen corresponding path program 1 times [2024-11-23 22:51:43,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:43,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38152307] [2024-11-23 22:51:43,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:43,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:45,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:45,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38152307] [2024-11-23 22:51:45,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38152307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:45,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:45,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-11-23 22:51:45,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828538820] [2024-11-23 22:51:45,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:45,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-23 22:51:45,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:45,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-23 22:51:45,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-11-23 22:51:45,638 INFO L87 Difference]: Start difference. First operand 183 states and 223 transitions. Second operand has 24 states, 24 states have (on average 2.75) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:50,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:50,029 INFO L93 Difference]: Finished difference Result 654 states and 850 transitions. [2024-11-23 22:51:50,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-23 22:51:50,030 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.75) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-23 22:51:50,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:50,033 INFO L225 Difference]: With dead ends: 654 [2024-11-23 22:51:50,033 INFO L226 Difference]: Without dead ends: 596 [2024-11-23 22:51:50,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=315, Invalid=1577, Unknown=0, NotChecked=0, Total=1892 [2024-11-23 22:51:50,035 INFO L435 NwaCegarLoop]: 413 mSDtfsCounter, 2108 mSDsluCounter, 4515 mSDsCounter, 0 mSdLazyCounter, 2472 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 4928 SdHoareTripleChecker+Invalid, 2488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:50,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 4928 Invalid, 2488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2472 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-23 22:51:50,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-23 22:51:50,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 198. [2024-11-23 22:51:50,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 191 states have (on average 1.2774869109947644) internal successors, (244), 197 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 244 transitions. [2024-11-23 22:51:50,045 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 244 transitions. Word has length 66 [2024-11-23 22:51:50,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:50,046 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 244 transitions. [2024-11-23 22:51:50,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.75) internal successors, (66), 24 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 244 transitions. [2024-11-23 22:51:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 22:51:50,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:50,047 INFO L218 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] [2024-11-23 22:51:50,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 22:51:50,048 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:50,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:50,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1127331716, now seen corresponding path program 1 times [2024-11-23 22:51:50,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:50,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874601289] [2024-11-23 22:51:50,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:50,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:50,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874601289] [2024-11-23 22:51:50,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874601289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:50,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:50,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-23 22:51:50,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981253164] [2024-11-23 22:51:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:50,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 22:51:50,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:50,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 22:51:50,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-23 22:51:50,866 INFO L87 Difference]: Start difference. First operand 198 states and 244 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:51,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:51,965 INFO L93 Difference]: Finished difference Result 437 states and 561 transitions. [2024-11-23 22:51:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 22:51:51,966 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-23 22:51:51,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:51,968 INFO L225 Difference]: With dead ends: 437 [2024-11-23 22:51:51,969 INFO L226 Difference]: Without dead ends: 433 [2024-11-23 22:51:51,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-23 22:51:51,970 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 1393 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 1574 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:51,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 1574 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 22:51:51,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-23 22:51:51,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 194. [2024-11-23 22:51:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.2765957446808511) internal successors, (240), 193 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 240 transitions. [2024-11-23 22:51:51,979 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 240 transitions. Word has length 66 [2024-11-23 22:51:51,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:51,980 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 240 transitions. [2024-11-23 22:51:51,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 240 transitions. [2024-11-23 22:51:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 22:51:51,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:51,981 INFO L218 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] [2024-11-23 22:51:51,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 22:51:51,981 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:51,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:51,982 INFO L85 PathProgramCache]: Analyzing trace with hash -653185432, now seen corresponding path program 1 times [2024-11-23 22:51:51,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:51,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229551209] [2024-11-23 22:51:51,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:51,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:53,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:53,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229551209] [2024-11-23 22:51:53,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229551209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:53,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:53,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-23 22:51:53,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457185501] [2024-11-23 22:51:53,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:53,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-23 22:51:53,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:53,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-23 22:51:53,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2024-11-23 22:51:53,386 INFO L87 Difference]: Start difference. First operand 194 states and 240 transitions. Second operand has 22 states, 22 states have (on average 3.0) internal successors, (66), 22 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:56,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:51:56,127 INFO L93 Difference]: Finished difference Result 644 states and 838 transitions. [2024-11-23 22:51:56,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 22:51:56,128 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.0) internal successors, (66), 22 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-23 22:51:56,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:51:56,131 INFO L225 Difference]: With dead ends: 644 [2024-11-23 22:51:56,131 INFO L226 Difference]: Without dead ends: 583 [2024-11-23 22:51:56,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=248, Invalid=1312, Unknown=0, NotChecked=0, Total=1560 [2024-11-23 22:51:56,133 INFO L435 NwaCegarLoop]: 342 mSDtfsCounter, 1803 mSDsluCounter, 4015 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 4357 SdHoareTripleChecker+Invalid, 2263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:51:56,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1803 Valid, 4357 Invalid, 2263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-23 22:51:56,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-23 22:51:56,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 203. [2024-11-23 22:51:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 197 states have (on average 1.2791878172588833) internal successors, (252), 202 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2024-11-23 22:51:56,143 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 66 [2024-11-23 22:51:56,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:51:56,143 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2024-11-23 22:51:56,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.0) internal successors, (66), 22 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:51:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2024-11-23 22:51:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 22:51:56,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:51:56,145 INFO L218 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] [2024-11-23 22:51:56,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 22:51:56,145 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:51:56,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:51:56,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1673815221, now seen corresponding path program 1 times [2024-11-23 22:51:56,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:51:56,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656631765] [2024-11-23 22:51:56,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:51:56,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:51:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:51:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:51:58,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:51:58,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656631765] [2024-11-23 22:51:58,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656631765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:51:58,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:51:58,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-23 22:51:58,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148637565] [2024-11-23 22:51:58,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:51:58,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-23 22:51:58,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:51:58,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-23 22:51:58,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2024-11-23 22:51:58,341 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:04,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:04,029 INFO L93 Difference]: Finished difference Result 837 states and 1125 transitions. [2024-11-23 22:52:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-23 22:52:04,030 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-23 22:52:04,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:04,033 INFO L225 Difference]: With dead ends: 837 [2024-11-23 22:52:04,033 INFO L226 Difference]: Without dead ends: 779 [2024-11-23 22:52:04,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=400, Invalid=1670, Unknown=0, NotChecked=0, Total=2070 [2024-11-23 22:52:04,034 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 2778 mSDsluCounter, 3956 mSDsCounter, 0 mSdLazyCounter, 2234 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2778 SdHoareTripleChecker+Valid, 4173 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:04,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2778 Valid, 4173 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2234 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-23 22:52:04,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-23 22:52:04,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 203. [2024-11-23 22:52:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 197 states have (on average 1.2791878172588833) internal successors, (252), 202 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:04,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2024-11-23 22:52:04,045 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 67 [2024-11-23 22:52:04,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:04,045 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2024-11-23 22:52:04,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2024-11-23 22:52:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 22:52:04,046 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:04,046 INFO L218 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] [2024-11-23 22:52:04,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 22:52:04,047 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:04,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:04,047 INFO L85 PathProgramCache]: Analyzing trace with hash -539222247, now seen corresponding path program 1 times [2024-11-23 22:52:04,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:04,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85663088] [2024-11-23 22:52:04,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:04,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:05,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:05,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85663088] [2024-11-23 22:52:05,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85663088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:05,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:05,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-23 22:52:05,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389720987] [2024-11-23 22:52:05,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:05,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-23 22:52:05,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:05,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-23 22:52:05,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-23 22:52:05,063 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 15 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:06,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:06,488 INFO L93 Difference]: Finished difference Result 451 states and 589 transitions. [2024-11-23 22:52:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 22:52:06,489 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 15 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-23 22:52:06,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:06,490 INFO L225 Difference]: With dead ends: 451 [2024-11-23 22:52:06,490 INFO L226 Difference]: Without dead ends: 368 [2024-11-23 22:52:06,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2024-11-23 22:52:06,491 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 832 mSDsluCounter, 2726 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 3030 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:06,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 3030 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 22:52:06,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-23 22:52:06,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 194. [2024-11-23 22:52:06,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.2659574468085106) internal successors, (238), 193 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:06,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 238 transitions. [2024-11-23 22:52:06,497 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 238 transitions. Word has length 67 [2024-11-23 22:52:06,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:06,497 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 238 transitions. [2024-11-23 22:52:06,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 15 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:06,498 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 238 transitions. [2024-11-23 22:52:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 22:52:06,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:06,498 INFO L218 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] [2024-11-23 22:52:06,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 22:52:06,499 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:06,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:06,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1128954968, now seen corresponding path program 1 times [2024-11-23 22:52:06,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:06,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457292569] [2024-11-23 22:52:06,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:06,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:06,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:06,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457292569] [2024-11-23 22:52:06,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457292569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:06,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:06,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:52:06,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118811614] [2024-11-23 22:52:06,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:06,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:52:06,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:06,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:52:06,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:52:06,787 INFO L87 Difference]: Start difference. First operand 194 states and 238 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:07,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:07,269 INFO L93 Difference]: Finished difference Result 290 states and 362 transitions. [2024-11-23 22:52:07,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:52:07,270 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-23 22:52:07,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:07,271 INFO L225 Difference]: With dead ends: 290 [2024-11-23 22:52:07,271 INFO L226 Difference]: Without dead ends: 283 [2024-11-23 22:52:07,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:52:07,275 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 1169 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:07,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1169 Valid, 576 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:52:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-23 22:52:07,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 194. [2024-11-23 22:52:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.2553191489361701) internal successors, (236), 193 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 236 transitions. [2024-11-23 22:52:07,280 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 236 transitions. Word has length 67 [2024-11-23 22:52:07,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:07,281 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 236 transitions. [2024-11-23 22:52:07,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 236 transitions. [2024-11-23 22:52:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 22:52:07,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:07,282 INFO L218 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] [2024-11-23 22:52:07,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 22:52:07,282 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:07,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:07,283 INFO L85 PathProgramCache]: Analyzing trace with hash -710008920, now seen corresponding path program 1 times [2024-11-23 22:52:07,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:07,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615815207] [2024-11-23 22:52:07,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:07,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:07,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:07,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615815207] [2024-11-23 22:52:07,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615815207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:07,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:07,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:52:07,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442278158] [2024-11-23 22:52:07,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:07,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:52:07,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:07,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:52:07,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:52:07,548 INFO L87 Difference]: Start difference. First operand 194 states and 236 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:08,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:08,091 INFO L93 Difference]: Finished difference Result 349 states and 446 transitions. [2024-11-23 22:52:08,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 22:52:08,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-23 22:52:08,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:08,093 INFO L225 Difference]: With dead ends: 349 [2024-11-23 22:52:08,093 INFO L226 Difference]: Without dead ends: 277 [2024-11-23 22:52:08,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:52:08,095 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 808 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:08,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 641 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:52:08,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-23 22:52:08,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 194. [2024-11-23 22:52:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.2446808510638299) internal successors, (234), 193 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 234 transitions. [2024-11-23 22:52:08,100 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 234 transitions. Word has length 67 [2024-11-23 22:52:08,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:08,100 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 234 transitions. [2024-11-23 22:52:08,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 234 transitions. [2024-11-23 22:52:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 22:52:08,101 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:08,102 INFO L218 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] [2024-11-23 22:52:08,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 22:52:08,102 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:08,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:08,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1303055616, now seen corresponding path program 1 times [2024-11-23 22:52:08,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:08,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004929521] [2024-11-23 22:52:08,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:08,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:08,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:08,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004929521] [2024-11-23 22:52:08,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004929521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:08,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:08,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 22:52:08,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011025764] [2024-11-23 22:52:08,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:08,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 22:52:08,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:08,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 22:52:08,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 22:52:08,578 INFO L87 Difference]: Start difference. First operand 194 states and 234 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:09,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:09,675 INFO L93 Difference]: Finished difference Result 432 states and 564 transitions. [2024-11-23 22:52:09,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 22:52:09,675 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-23 22:52:09,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:09,677 INFO L225 Difference]: With dead ends: 432 [2024-11-23 22:52:09,677 INFO L226 Difference]: Without dead ends: 425 [2024-11-23 22:52:09,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-23 22:52:09,678 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 2678 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:09,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2678 Valid, 780 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:52:09,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-23 22:52:09,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 198. [2024-11-23 22:52:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.2395833333333333) internal successors, (238), 197 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 238 transitions. [2024-11-23 22:52:09,686 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 238 transitions. Word has length 67 [2024-11-23 22:52:09,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:09,687 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 238 transitions. [2024-11-23 22:52:09,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:09,687 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 238 transitions. [2024-11-23 22:52:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 22:52:09,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:09,688 INFO L218 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] [2024-11-23 22:52:09,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 22:52:09,688 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:09,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:09,689 INFO L85 PathProgramCache]: Analyzing trace with hash 763644804, now seen corresponding path program 1 times [2024-11-23 22:52:09,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:09,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877430927] [2024-11-23 22:52:09,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:09,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:10,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:10,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877430927] [2024-11-23 22:52:10,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877430927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:10,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:10,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 22:52:10,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978769289] [2024-11-23 22:52:10,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:10,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 22:52:10,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:10,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 22:52:10,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 22:52:10,334 INFO L87 Difference]: Start difference. First operand 198 states and 238 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:11,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:11,103 INFO L93 Difference]: Finished difference Result 303 states and 377 transitions. [2024-11-23 22:52:11,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 22:52:11,104 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-23 22:52:11,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:11,104 INFO L225 Difference]: With dead ends: 303 [2024-11-23 22:52:11,104 INFO L226 Difference]: Without dead ends: 271 [2024-11-23 22:52:11,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-23 22:52:11,105 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 845 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:11,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1557 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:52:11,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-23 22:52:11,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 160. [2024-11-23 22:52:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 156 states have (on average 1.2564102564102564) internal successors, (196), 159 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 196 transitions. [2024-11-23 22:52:11,112 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 196 transitions. Word has length 67 [2024-11-23 22:52:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:11,112 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 196 transitions. [2024-11-23 22:52:11,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2024-11-23 22:52:11,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 22:52:11,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:11,113 INFO L218 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] [2024-11-23 22:52:11,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 22:52:11,114 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:11,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:11,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1599979240, now seen corresponding path program 1 times [2024-11-23 22:52:11,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:11,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821615885] [2024-11-23 22:52:11,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:11,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:11,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:11,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821615885] [2024-11-23 22:52:11,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821615885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:11,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:11,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 22:52:11,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223685447] [2024-11-23 22:52:11,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:11,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 22:52:11,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:11,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 22:52:11,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 22:52:11,761 INFO L87 Difference]: Start difference. First operand 160 states and 196 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:12,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:12,521 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2024-11-23 22:52:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 22:52:12,522 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-23 22:52:12,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:12,523 INFO L225 Difference]: With dead ends: 287 [2024-11-23 22:52:12,523 INFO L226 Difference]: Without dead ends: 213 [2024-11-23 22:52:12,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-23 22:52:12,524 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 604 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:12,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 1376 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:52:12,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-23 22:52:12,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 134. [2024-11-23 22:52:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 132 states have (on average 1.25) internal successors, (165), 133 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 165 transitions. [2024-11-23 22:52:12,530 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 165 transitions. Word has length 67 [2024-11-23 22:52:12,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:12,530 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 165 transitions. [2024-11-23 22:52:12,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2024-11-23 22:52:12,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-23 22:52:12,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:12,532 INFO L218 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] [2024-11-23 22:52:12,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 22:52:12,532 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:12,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:12,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1308874992, now seen corresponding path program 1 times [2024-11-23 22:52:12,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:12,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236182347] [2024-11-23 22:52:12,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:12,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:13,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:13,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236182347] [2024-11-23 22:52:13,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236182347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:13,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:13,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-23 22:52:13,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807848832] [2024-11-23 22:52:13,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:13,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-23 22:52:13,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:13,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 22:52:13,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-23 22:52:13,617 INFO L87 Difference]: Start difference. First operand 134 states and 165 transitions. Second operand has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:15,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:15,299 INFO L93 Difference]: Finished difference Result 298 states and 390 transitions. [2024-11-23 22:52:15,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 22:52:15,299 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 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 69 [2024-11-23 22:52:15,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:15,301 INFO L225 Difference]: With dead ends: 298 [2024-11-23 22:52:15,301 INFO L226 Difference]: Without dead ends: 292 [2024-11-23 22:52:15,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=208, Invalid=662, Unknown=0, NotChecked=0, Total=870 [2024-11-23 22:52:15,302 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 845 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:15,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1656 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 22:52:15,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-23 22:52:15,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 152. [2024-11-23 22:52:15,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 150 states have (on average 1.2466666666666666) internal successors, (187), 151 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:15,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions. [2024-11-23 22:52:15,308 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 69 [2024-11-23 22:52:15,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:15,308 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions. [2024-11-23 22:52:15,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:15,308 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2024-11-23 22:52:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-23 22:52:15,309 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:15,309 INFO L218 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] [2024-11-23 22:52:15,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 22:52:15,310 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:15,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:15,310 INFO L85 PathProgramCache]: Analyzing trace with hash -933011809, now seen corresponding path program 1 times [2024-11-23 22:52:15,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:15,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096162276] [2024-11-23 22:52:15,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:15,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:16,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:16,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096162276] [2024-11-23 22:52:16,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096162276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:16,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:16,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-23 22:52:16,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577053213] [2024-11-23 22:52:16,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:16,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-23 22:52:16,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:16,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-23 22:52:16,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-23 22:52:16,883 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:19,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:19,060 INFO L93 Difference]: Finished difference Result 371 states and 487 transitions. [2024-11-23 22:52:19,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 22:52:19,060 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 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 70 [2024-11-23 22:52:19,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:19,063 INFO L225 Difference]: With dead ends: 371 [2024-11-23 22:52:19,063 INFO L226 Difference]: Without dead ends: 365 [2024-11-23 22:52:19,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=190, Invalid=866, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 22:52:19,064 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 1191 mSDsluCounter, 2816 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 3103 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:19,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 3103 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 22:52:19,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-23 22:52:19,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 157. [2024-11-23 22:52:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 155 states have (on average 1.2451612903225806) internal successors, (193), 156 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 193 transitions. [2024-11-23 22:52:19,070 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 193 transitions. Word has length 70 [2024-11-23 22:52:19,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:19,070 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 193 transitions. [2024-11-23 22:52:19,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 193 transitions. [2024-11-23 22:52:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-23 22:52:19,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:19,072 INFO L218 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] [2024-11-23 22:52:19,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 22:52:19,072 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:19,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:19,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1286714649, now seen corresponding path program 1 times [2024-11-23 22:52:19,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:19,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592870600] [2024-11-23 22:52:19,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:19,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:20,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:20,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592870600] [2024-11-23 22:52:20,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592870600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:20,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:20,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-23 22:52:20,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185221088] [2024-11-23 22:52:20,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:20,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 22:52:20,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:20,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 22:52:20,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2024-11-23 22:52:20,215 INFO L87 Difference]: Start difference. First operand 157 states and 193 transitions. Second operand has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:22,082 INFO L93 Difference]: Finished difference Result 375 states and 497 transitions. [2024-11-23 22:52:22,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 22:52:22,083 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 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 71 [2024-11-23 22:52:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:22,086 INFO L225 Difference]: With dead ends: 375 [2024-11-23 22:52:22,086 INFO L226 Difference]: Without dead ends: 369 [2024-11-23 22:52:22,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=177, Invalid=753, Unknown=0, NotChecked=0, Total=930 [2024-11-23 22:52:22,087 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 1273 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 2605 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:22,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 2605 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 22:52:22,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-23 22:52:22,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 152. [2024-11-23 22:52:22,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 150 states have (on average 1.2466666666666666) internal successors, (187), 151 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions. [2024-11-23 22:52:22,093 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 71 [2024-11-23 22:52:22,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:22,094 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions. [2024-11-23 22:52:22,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2024-11-23 22:52:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-23 22:52:22,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:22,095 INFO L218 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] [2024-11-23 22:52:22,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 22:52:22,095 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:22,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:22,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1087571485, now seen corresponding path program 1 times [2024-11-23 22:52:22,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:22,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392108415] [2024-11-23 22:52:22,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:22,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:23,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:23,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392108415] [2024-11-23 22:52:23,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392108415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:23,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:23,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-23 22:52:23,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682431302] [2024-11-23 22:52:23,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:23,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 22:52:23,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:23,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 22:52:23,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-23 22:52:23,037 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:24,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:24,065 INFO L93 Difference]: Finished difference Result 252 states and 327 transitions. [2024-11-23 22:52:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 22:52:24,066 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 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 71 [2024-11-23 22:52:24,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:24,067 INFO L225 Difference]: With dead ends: 252 [2024-11-23 22:52:24,067 INFO L226 Difference]: Without dead ends: 246 [2024-11-23 22:52:24,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-23 22:52:24,068 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 577 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:24,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1792 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 22:52:24,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-23 22:52:24,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2024-11-23 22:52:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 150 states have (on average 1.2466666666666666) internal successors, (187), 151 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions. [2024-11-23 22:52:24,072 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 71 [2024-11-23 22:52:24,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:24,072 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions. [2024-11-23 22:52:24,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2024-11-23 22:52:24,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-23 22:52:24,073 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:24,073 INFO L218 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] [2024-11-23 22:52:24,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 22:52:24,074 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:24,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:24,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1783097309, now seen corresponding path program 1 times [2024-11-23 22:52:24,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:24,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734475355] [2024-11-23 22:52:24,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:24,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:25,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:25,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734475355] [2024-11-23 22:52:25,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734475355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:25,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:25,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-23 22:52:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254810640] [2024-11-23 22:52:25,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:25,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 22:52:25,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:25,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 22:52:25,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2024-11-23 22:52:25,237 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:27,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:27,471 INFO L93 Difference]: Finished difference Result 420 states and 566 transitions. [2024-11-23 22:52:27,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-23 22:52:27,471 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 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 72 [2024-11-23 22:52:27,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:27,473 INFO L225 Difference]: With dead ends: 420 [2024-11-23 22:52:27,473 INFO L226 Difference]: Without dead ends: 414 [2024-11-23 22:52:27,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=256, Invalid=1004, Unknown=0, NotChecked=0, Total=1260 [2024-11-23 22:52:27,474 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 643 mSDsluCounter, 3246 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:27,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 3529 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 22:52:27,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-23 22:52:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 128. [2024-11-23 22:52:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.2519685039370079) internal successors, (159), 127 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 159 transitions. [2024-11-23 22:52:27,480 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 159 transitions. Word has length 72 [2024-11-23 22:52:27,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:27,480 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 159 transitions. [2024-11-23 22:52:27,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 17 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 159 transitions. [2024-11-23 22:52:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-23 22:52:27,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:27,481 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:27,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-23 22:52:27,482 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:27,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:27,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1208516883, now seen corresponding path program 1 times [2024-11-23 22:52:27,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:27,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418672327] [2024-11-23 22:52:27,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:27,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:27,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418672327] [2024-11-23 22:52:27,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418672327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:27,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:27,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:52:27,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102274674] [2024-11-23 22:52:27,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:27,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:52:27,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:27,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:52:27,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:52:27,651 INFO L87 Difference]: Start difference. First operand 128 states and 159 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:27,819 INFO L93 Difference]: Finished difference Result 560 states and 799 transitions. [2024-11-23 22:52:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:52:27,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 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 92 [2024-11-23 22:52:27,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:27,821 INFO L225 Difference]: With dead ends: 560 [2024-11-23 22:52:27,822 INFO L226 Difference]: Without dead ends: 506 [2024-11-23 22:52:27,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:52:27,823 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 895 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:27,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 950 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:52:27,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-23 22:52:27,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 180. [2024-11-23 22:52:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 179 states have (on average 1.318435754189944) internal successors, (236), 179 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 236 transitions. [2024-11-23 22:52:27,840 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 236 transitions. Word has length 92 [2024-11-23 22:52:27,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:27,841 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 236 transitions. [2024-11-23 22:52:27,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 236 transitions. [2024-11-23 22:52:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-23 22:52:27,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:27,842 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:27,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-23 22:52:27,842 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:27,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:27,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1324206254, now seen corresponding path program 1 times [2024-11-23 22:52:27,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:27,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830756485] [2024-11-23 22:52:27,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:27,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:28,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:28,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:28,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830756485] [2024-11-23 22:52:28,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830756485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:28,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:28,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:52:28,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452763651] [2024-11-23 22:52:28,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:28,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:52:28,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:28,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:52:28,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:52:28,002 INFO L87 Difference]: Start difference. First operand 180 states and 236 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:28,123 INFO L93 Difference]: Finished difference Result 658 states and 942 transitions. [2024-11-23 22:52:28,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:52:28,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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 94 [2024-11-23 22:52:28,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:28,126 INFO L225 Difference]: With dead ends: 658 [2024-11-23 22:52:28,126 INFO L226 Difference]: Without dead ends: 552 [2024-11-23 22:52:28,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:52:28,129 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 647 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:28,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 662 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:52:28,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-23 22:52:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 284. [2024-11-23 22:52:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 283 states have (on average 1.3816254416961131) internal successors, (391), 283 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 391 transitions. [2024-11-23 22:52:28,144 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 391 transitions. Word has length 94 [2024-11-23 22:52:28,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:28,144 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 391 transitions. [2024-11-23 22:52:28,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,144 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 391 transitions. [2024-11-23 22:52:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-23 22:52:28,145 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:28,145 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:28,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-23 22:52:28,146 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:28,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:28,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1309824789, now seen corresponding path program 1 times [2024-11-23 22:52:28,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:28,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21597479] [2024-11-23 22:52:28,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:28,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:28,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:28,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21597479] [2024-11-23 22:52:28,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21597479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:28,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:28,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:52:28,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287218947] [2024-11-23 22:52:28,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:28,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:52:28,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:28,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:52:28,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:52:28,422 INFO L87 Difference]: Start difference. First operand 284 states and 391 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:28,556 INFO L93 Difference]: Finished difference Result 496 states and 704 transitions. [2024-11-23 22:52:28,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:52:28,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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 94 [2024-11-23 22:52:28,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:28,558 INFO L225 Difference]: With dead ends: 496 [2024-11-23 22:52:28,558 INFO L226 Difference]: Without dead ends: 286 [2024-11-23 22:52:28,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:52:28,559 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 75 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:28,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 455 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:52:28,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-23 22:52:28,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 284. [2024-11-23 22:52:28,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 283 states have (on average 1.3745583038869258) internal successors, (389), 283 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 389 transitions. [2024-11-23 22:52:28,566 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 389 transitions. Word has length 94 [2024-11-23 22:52:28,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:28,567 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 389 transitions. [2024-11-23 22:52:28,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 389 transitions. [2024-11-23 22:52:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-23 22:52:28,568 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:28,568 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:28,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-23 22:52:28,568 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:28,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:28,569 INFO L85 PathProgramCache]: Analyzing trace with hash 570084468, now seen corresponding path program 1 times [2024-11-23 22:52:28,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:28,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350027026] [2024-11-23 22:52:28,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:28,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:28,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:28,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350027026] [2024-11-23 22:52:28,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350027026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:28,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:28,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:52:28,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583627980] [2024-11-23 22:52:28,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:28,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:52:28,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:28,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:52:28,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:28,648 INFO L87 Difference]: Start difference. First operand 284 states and 389 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:28,682 INFO L93 Difference]: Finished difference Result 678 states and 965 transitions. [2024-11-23 22:52:28,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:52:28,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 94 [2024-11-23 22:52:28,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:28,687 INFO L225 Difference]: With dead ends: 678 [2024-11-23 22:52:28,687 INFO L226 Difference]: Without dead ends: 468 [2024-11-23 22:52:28,688 INFO L434 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 [2024-11-23 22:52:28,688 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 89 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:28,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 251 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:28,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-23 22:52:28,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 462. [2024-11-23 22:52:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 461 states have (on average 1.3882863340563991) internal successors, (640), 461 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 640 transitions. [2024-11-23 22:52:28,700 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 640 transitions. Word has length 94 [2024-11-23 22:52:28,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:28,700 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 640 transitions. [2024-11-23 22:52:28,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 640 transitions. [2024-11-23 22:52:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-23 22:52:28,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:28,704 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:28,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-23 22:52:28,704 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:28,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:28,705 INFO L85 PathProgramCache]: Analyzing trace with hash -337360546, now seen corresponding path program 1 times [2024-11-23 22:52:28,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:28,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931672066] [2024-11-23 22:52:28,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:28,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:28,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:28,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931672066] [2024-11-23 22:52:28,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931672066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:28,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:28,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:52:28,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444036608] [2024-11-23 22:52:28,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:28,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:52:28,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:28,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:52:28,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:52:28,880 INFO L87 Difference]: Start difference. First operand 462 states and 640 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:28,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:28,995 INFO L93 Difference]: Finished difference Result 1341 states and 1908 transitions. [2024-11-23 22:52:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:52:28,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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 94 [2024-11-23 22:52:28,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:29,000 INFO L225 Difference]: With dead ends: 1341 [2024-11-23 22:52:29,000 INFO L226 Difference]: Without dead ends: 1146 [2024-11-23 22:52:29,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:52:29,001 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 614 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:29,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 683 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:52:29,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2024-11-23 22:52:29,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 752. [2024-11-23 22:52:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.4087882822902795) internal successors, (1058), 751 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1058 transitions. [2024-11-23 22:52:29,019 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1058 transitions. Word has length 94 [2024-11-23 22:52:29,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:29,019 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1058 transitions. [2024-11-23 22:52:29,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,020 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1058 transitions. [2024-11-23 22:52:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-23 22:52:29,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:29,021 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:29,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-23 22:52:29,021 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:29,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:29,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1456780136, now seen corresponding path program 1 times [2024-11-23 22:52:29,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:29,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20545075] [2024-11-23 22:52:29,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:29,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:29,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20545075] [2024-11-23 22:52:29,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20545075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:29,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:29,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:52:29,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509776455] [2024-11-23 22:52:29,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:29,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:52:29,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:29,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:52:29,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:52:29,180 INFO L87 Difference]: Start difference. First operand 752 states and 1058 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:29,318 INFO L93 Difference]: Finished difference Result 1534 states and 2187 transitions. [2024-11-23 22:52:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:52:29,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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 94 [2024-11-23 22:52:29,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:29,323 INFO L225 Difference]: With dead ends: 1534 [2024-11-23 22:52:29,324 INFO L226 Difference]: Without dead ends: 1339 [2024-11-23 22:52:29,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:52:29,325 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 583 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:29,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 734 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:52:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-23 22:52:29,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 945. [2024-11-23 22:52:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 944 states have (on average 1.416313559322034) internal successors, (1337), 944 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1337 transitions. [2024-11-23 22:52:29,347 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1337 transitions. Word has length 94 [2024-11-23 22:52:29,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:29,347 INFO L471 AbstractCegarLoop]: Abstraction has 945 states and 1337 transitions. [2024-11-23 22:52:29,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1337 transitions. [2024-11-23 22:52:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-23 22:52:29,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:29,349 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:29,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-23 22:52:29,350 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:29,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:29,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1890695249, now seen corresponding path program 1 times [2024-11-23 22:52:29,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:29,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971627852] [2024-11-23 22:52:29,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:29,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:29,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:29,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971627852] [2024-11-23 22:52:29,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971627852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:29,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:29,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:52:29,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224778140] [2024-11-23 22:52:29,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:29,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:52:29,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:29,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:52:29,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:29,512 INFO L87 Difference]: Start difference. First operand 945 states and 1337 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:29,545 INFO L93 Difference]: Finished difference Result 2615 states and 3727 transitions. [2024-11-23 22:52:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:52:29,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-23 22:52:29,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:29,552 INFO L225 Difference]: With dead ends: 2615 [2024-11-23 22:52:29,552 INFO L226 Difference]: Without dead ends: 1744 [2024-11-23 22:52:29,554 INFO L434 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 [2024-11-23 22:52:29,554 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 72 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:29,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:29,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2024-11-23 22:52:29,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1670. [2024-11-23 22:52:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1669 states have (on average 1.4140203714799282) internal successors, (2360), 1669 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2360 transitions. [2024-11-23 22:52:29,587 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2360 transitions. Word has length 95 [2024-11-23 22:52:29,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:29,587 INFO L471 AbstractCegarLoop]: Abstraction has 1670 states and 2360 transitions. [2024-11-23 22:52:29,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2360 transitions. [2024-11-23 22:52:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 22:52:29,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:29,589 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:29,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-23 22:52:29,589 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:29,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:29,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1608306199, now seen corresponding path program 1 times [2024-11-23 22:52:29,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:29,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344413134] [2024-11-23 22:52:29,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:29,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:29,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:29,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344413134] [2024-11-23 22:52:29,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344413134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:29,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:29,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:52:29,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687032758] [2024-11-23 22:52:29,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:29,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:52:29,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:29,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:52:29,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:29,765 INFO L87 Difference]: Start difference. First operand 1670 states and 2360 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:29,810 INFO L93 Difference]: Finished difference Result 4718 states and 6670 transitions. [2024-11-23 22:52:29,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:52:29,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-23 22:52:29,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:29,822 INFO L225 Difference]: With dead ends: 4718 [2024-11-23 22:52:29,823 INFO L226 Difference]: Without dead ends: 3122 [2024-11-23 22:52:29,826 INFO L434 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 [2024-11-23 22:52:29,826 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 65 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:29,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:29,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3122 states. [2024-11-23 22:52:29,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3122 to 2976. [2024-11-23 22:52:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 2975 states have (on average 1.4023529411764706) internal successors, (4172), 2975 states have internal predecessors, (4172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 4172 transitions. [2024-11-23 22:52:29,910 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 4172 transitions. Word has length 96 [2024-11-23 22:52:29,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:29,910 INFO L471 AbstractCegarLoop]: Abstraction has 2976 states and 4172 transitions. [2024-11-23 22:52:29,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 4172 transitions. [2024-11-23 22:52:29,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-23 22:52:29,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:29,912 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:29,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-23 22:52:29,913 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:29,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:29,913 INFO L85 PathProgramCache]: Analyzing trace with hash -916899152, now seen corresponding path program 1 times [2024-11-23 22:52:29,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:29,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557416742] [2024-11-23 22:52:29,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:29,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:30,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:30,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557416742] [2024-11-23 22:52:30,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557416742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:30,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:30,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:52:30,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245880675] [2024-11-23 22:52:30,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:30,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:52:30,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:30,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:52:30,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:30,113 INFO L87 Difference]: Start difference. First operand 2976 states and 4172 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:30,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:30,166 INFO L93 Difference]: Finished difference Result 8492 states and 11854 transitions. [2024-11-23 22:52:30,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:52:30,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 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 97 [2024-11-23 22:52:30,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:30,192 INFO L225 Difference]: With dead ends: 8492 [2024-11-23 22:52:30,196 INFO L226 Difference]: Without dead ends: 5590 [2024-11-23 22:52:30,200 INFO L434 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 [2024-11-23 22:52:30,202 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 55 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:30,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 333 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:30,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2024-11-23 22:52:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 5300. [2024-11-23 22:52:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5300 states, 5299 states have (on average 1.382902434421589) internal successors, (7328), 5299 states have internal predecessors, (7328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 7328 transitions. [2024-11-23 22:52:30,310 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 7328 transitions. Word has length 97 [2024-11-23 22:52:30,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:30,311 INFO L471 AbstractCegarLoop]: Abstraction has 5300 states and 7328 transitions. [2024-11-23 22:52:30,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 7328 transitions. [2024-11-23 22:52:30,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 22:52:30,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:30,312 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:30,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-23 22:52:30,312 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:30,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:30,313 INFO L85 PathProgramCache]: Analyzing trace with hash 2063595932, now seen corresponding path program 1 times [2024-11-23 22:52:30,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:30,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97262421] [2024-11-23 22:52:30,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:30,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:30,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:30,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97262421] [2024-11-23 22:52:30,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97262421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:30,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:30,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:52:30,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520866835] [2024-11-23 22:52:30,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:30,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:52:30,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:30,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:52:30,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:52:30,718 INFO L87 Difference]: Start difference. First operand 5300 states and 7328 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:30,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:30,773 INFO L93 Difference]: Finished difference Result 5494 states and 7585 transitions. [2024-11-23 22:52:30,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:52:30,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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 98 [2024-11-23 22:52:30,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:30,801 INFO L225 Difference]: With dead ends: 5494 [2024-11-23 22:52:30,802 INFO L226 Difference]: Without dead ends: 5492 [2024-11-23 22:52:30,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:52:30,804 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:30,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 764 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:30,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2024-11-23 22:52:30,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 5492. [2024-11-23 22:52:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 5491 states have (on average 1.3622291021671826) internal successors, (7480), 5491 states have internal predecessors, (7480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 7480 transitions. [2024-11-23 22:52:30,925 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 7480 transitions. Word has length 98 [2024-11-23 22:52:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:30,926 INFO L471 AbstractCegarLoop]: Abstraction has 5492 states and 7480 transitions. [2024-11-23 22:52:30,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 7480 transitions. [2024-11-23 22:52:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 22:52:30,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:30,927 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:30,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-23 22:52:30,927 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:30,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:30,928 INFO L85 PathProgramCache]: Analyzing trace with hash -777753176, now seen corresponding path program 1 times [2024-11-23 22:52:30,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:30,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644191032] [2024-11-23 22:52:30,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:30,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:31,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:31,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644191032] [2024-11-23 22:52:31,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644191032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:31,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:31,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:52:31,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924229590] [2024-11-23 22:52:31,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:31,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:52:31,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:31,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:52:31,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:52:31,132 INFO L87 Difference]: Start difference. First operand 5492 states and 7480 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:31,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:31,293 INFO L93 Difference]: Finished difference Result 10334 states and 14141 transitions. [2024-11-23 22:52:31,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:52:31,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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 98 [2024-11-23 22:52:31,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:31,324 INFO L225 Difference]: With dead ends: 10334 [2024-11-23 22:52:31,324 INFO L226 Difference]: Without dead ends: 9124 [2024-11-23 22:52:31,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:52:31,329 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 642 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:31,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 740 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:52:31,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2024-11-23 22:52:31,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 6700. [2024-11-23 22:52:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6700 states, 6699 states have (on average 1.3625914315569487) internal successors, (9128), 6699 states have internal predecessors, (9128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6700 states to 6700 states and 9128 transitions. [2024-11-23 22:52:31,457 INFO L78 Accepts]: Start accepts. Automaton has 6700 states and 9128 transitions. Word has length 98 [2024-11-23 22:52:31,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:31,458 INFO L471 AbstractCegarLoop]: Abstraction has 6700 states and 9128 transitions. [2024-11-23 22:52:31,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:31,458 INFO L276 IsEmpty]: Start isEmpty. Operand 6700 states and 9128 transitions. [2024-11-23 22:52:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 22:52:31,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:31,459 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:31,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-23 22:52:31,459 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:31,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:31,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1173003609, now seen corresponding path program 1 times [2024-11-23 22:52:31,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:31,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556360317] [2024-11-23 22:52:31,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:31,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:31,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:31,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556360317] [2024-11-23 22:52:31,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556360317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:31,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:31,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:52:31,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472666618] [2024-11-23 22:52:31,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:31,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:52:31,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:31,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:52:31,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:31,637 INFO L87 Difference]: Start difference. First operand 6700 states and 9128 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:31,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:31,714 INFO L93 Difference]: Finished difference Result 17400 states and 23654 transitions. [2024-11-23 22:52:31,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:52:31,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 99 [2024-11-23 22:52:31,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:31,746 INFO L225 Difference]: With dead ends: 17400 [2024-11-23 22:52:31,747 INFO L226 Difference]: Without dead ends: 10774 [2024-11-23 22:52:31,756 INFO L434 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 [2024-11-23 22:52:31,760 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 76 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:31,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 336 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:31,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10774 states. [2024-11-23 22:52:31,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10774 to 10068. [2024-11-23 22:52:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10067 states have (on average 1.3457832522101918) internal successors, (13548), 10067 states have internal predecessors, (13548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:31,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 13548 transitions. [2024-11-23 22:52:31,950 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 13548 transitions. Word has length 99 [2024-11-23 22:52:31,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:31,950 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 13548 transitions. [2024-11-23 22:52:31,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 13548 transitions. [2024-11-23 22:52:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-23 22:52:31,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:31,957 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:31,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-23 22:52:31,959 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:31,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:31,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1824588018, now seen corresponding path program 1 times [2024-11-23 22:52:31,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:31,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963409612] [2024-11-23 22:52:31,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:31,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:32,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:32,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963409612] [2024-11-23 22:52:32,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963409612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:32,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:52:32,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:52:32,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686186813] [2024-11-23 22:52:32,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:32,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:52:32,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:32,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:52:32,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:52:32,163 INFO L87 Difference]: Start difference. First operand 10068 states and 13548 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:32,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:32,253 INFO L93 Difference]: Finished difference Result 20064 states and 27018 transitions. [2024-11-23 22:52:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:52:32,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2024-11-23 22:52:32,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:32,279 INFO L225 Difference]: With dead ends: 20064 [2024-11-23 22:52:32,279 INFO L226 Difference]: Without dead ends: 10070 [2024-11-23 22:52:32,289 INFO L434 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 [2024-11-23 22:52:32,290 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 69 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:32,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 309 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:52:32,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10070 states. [2024-11-23 22:52:32,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10070 to 10068. [2024-11-23 22:52:32,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10067 states have (on average 1.3283003874043906) internal successors, (13372), 10067 states have internal predecessors, (13372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:32,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 13372 transitions. [2024-11-23 22:52:32,546 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 13372 transitions. Word has length 125 [2024-11-23 22:52:32,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:32,547 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 13372 transitions. [2024-11-23 22:52:32,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 13372 transitions. [2024-11-23 22:52:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-23 22:52:32,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:32,550 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:32,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-23 22:52:32,550 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:32,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:32,551 INFO L85 PathProgramCache]: Analyzing trace with hash -277387224, now seen corresponding path program 1 times [2024-11-23 22:52:32,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:32,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533267730] [2024-11-23 22:52:32,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:32,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:33,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:33,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533267730] [2024-11-23 22:52:33,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533267730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:52:33,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235658573] [2024-11-23 22:52:33,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:33,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:52:33,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:52:33,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:52:33,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:52:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:33,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 22:52:33,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:52:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 22:52:34,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:52:34,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235658573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:52:34,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:52:34,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-23 22:52:34,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260196372] [2024-11-23 22:52:34,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:52:34,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:52:34,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:34,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:52:34,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-23 22:52:34,440 INFO L87 Difference]: Start difference. First operand 10068 states and 13372 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:35,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:35,270 INFO L93 Difference]: Finished difference Result 30075 states and 39979 transitions. [2024-11-23 22:52:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 22:52:35,271 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 states have internal predecessors, (116), 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 125 [2024-11-23 22:52:35,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:35,323 INFO L225 Difference]: With dead ends: 30075 [2024-11-23 22:52:35,323 INFO L226 Difference]: Without dead ends: 20075 [2024-11-23 22:52:35,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2024-11-23 22:52:35,336 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 420 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:35,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 594 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:52:35,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20075 states. [2024-11-23 22:52:35,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20075 to 10068. [2024-11-23 22:52:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10067 states have (on average 1.3282010529452668) internal successors, (13371), 10067 states have internal predecessors, (13371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 13371 transitions. [2024-11-23 22:52:35,544 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 13371 transitions. Word has length 125 [2024-11-23 22:52:35,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:35,545 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 13371 transitions. [2024-11-23 22:52:35,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 13371 transitions. [2024-11-23 22:52:35,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-23 22:52:35,547 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:35,548 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:35,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:52:35,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-23 22:52:35,752 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:35,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:35,753 INFO L85 PathProgramCache]: Analyzing trace with hash -808198610, now seen corresponding path program 1 times [2024-11-23 22:52:35,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:35,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565312195] [2024-11-23 22:52:35,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:35,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:36,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:36,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565312195] [2024-11-23 22:52:36,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565312195] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:52:36,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280276273] [2024-11-23 22:52:36,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:36,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:52:36,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:52:36,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:52:36,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:52:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:36,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 22:52:36,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:52:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 22:52:37,284 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:52:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 22:52:37,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280276273] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:52:37,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:52:37,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 17 [2024-11-23 22:52:37,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42817214] [2024-11-23 22:52:37,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:52:37,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 22:52:37,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:37,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 22:52:37,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-23 22:52:37,750 INFO L87 Difference]: Start difference. First operand 10068 states and 13371 transitions. Second operand has 17 states, 17 states have (on average 21.470588235294116) internal successors, (365), 17 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:41,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:41,126 INFO L93 Difference]: Finished difference Result 56360 states and 74878 transitions. [2024-11-23 22:52:41,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-23 22:52:41,127 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 21.470588235294116) internal successors, (365), 17 states have internal predecessors, (365), 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 127 [2024-11-23 22:52:41,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:41,219 INFO L225 Difference]: With dead ends: 56360 [2024-11-23 22:52:41,220 INFO L226 Difference]: Without dead ends: 46366 [2024-11-23 22:52:41,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1690 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=817, Invalid=4733, Unknown=0, NotChecked=0, Total=5550 [2024-11-23 22:52:41,241 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 3364 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3364 SdHoareTripleChecker+Valid, 1744 SdHoareTripleChecker+Invalid, 1752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:41,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3364 Valid, 1744 Invalid, 1752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 22:52:41,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46366 states. [2024-11-23 22:52:41,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46366 to 36726. [2024-11-23 22:52:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36726 states, 36725 states have (on average 1.3169775357385978) internal successors, (48366), 36725 states have internal predecessors, (48366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36726 states to 36726 states and 48366 transitions. [2024-11-23 22:52:41,909 INFO L78 Accepts]: Start accepts. Automaton has 36726 states and 48366 transitions. Word has length 127 [2024-11-23 22:52:41,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:41,910 INFO L471 AbstractCegarLoop]: Abstraction has 36726 states and 48366 transitions. [2024-11-23 22:52:41,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 21.470588235294116) internal successors, (365), 17 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:41,910 INFO L276 IsEmpty]: Start isEmpty. Operand 36726 states and 48366 transitions. [2024-11-23 22:52:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-23 22:52:41,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:41,914 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:41,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 22:52:42,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-23 22:52:42,114 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:42,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:42,116 INFO L85 PathProgramCache]: Analyzing trace with hash -394872366, now seen corresponding path program 1 times [2024-11-23 22:52:42,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:42,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939400556] [2024-11-23 22:52:42,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:42,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:42,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:42,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939400556] [2024-11-23 22:52:42,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939400556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:52:42,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680584946] [2024-11-23 22:52:42,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:42,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:52:42,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:52:42,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:52:42,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:52:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:43,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 22:52:43,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:52:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:44,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:52:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:47,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680584946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:52:47,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:52:47,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 28 [2024-11-23 22:52:47,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698783407] [2024-11-23 22:52:47,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:52:47,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-23 22:52:47,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:47,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-23 22:52:47,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-11-23 22:52:47,051 INFO L87 Difference]: Start difference. First operand 36726 states and 48366 transitions. Second operand has 29 states, 29 states have (on average 11.413793103448276) internal successors, (331), 28 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:51,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:52:51,530 INFO L93 Difference]: Finished difference Result 246464 states and 326756 transitions. [2024-11-23 22:52:51,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-23 22:52:51,531 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 11.413793103448276) internal successors, (331), 28 states have internal predecessors, (331), 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 128 [2024-11-23 22:52:51,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:52:51,855 INFO L225 Difference]: With dead ends: 246464 [2024-11-23 22:52:51,855 INFO L226 Difference]: Without dead ends: 214649 [2024-11-23 22:52:51,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1043, Invalid=4213, Unknown=0, NotChecked=0, Total=5256 [2024-11-23 22:52:51,914 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 1986 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 2548 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 2195 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:52:51,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 2195 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2548 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-23 22:52:52,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214649 states. [2024-11-23 22:52:53,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214649 to 87561. [2024-11-23 22:52:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87561 states, 87560 states have (on average 1.3152124257651896) internal successors, (115160), 87560 states have internal predecessors, (115160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87561 states to 87561 states and 115160 transitions. [2024-11-23 22:52:53,958 INFO L78 Accepts]: Start accepts. Automaton has 87561 states and 115160 transitions. Word has length 128 [2024-11-23 22:52:53,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:52:53,958 INFO L471 AbstractCegarLoop]: Abstraction has 87561 states and 115160 transitions. [2024-11-23 22:52:53,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 11.413793103448276) internal successors, (331), 28 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:52:53,958 INFO L276 IsEmpty]: Start isEmpty. Operand 87561 states and 115160 transitions. [2024-11-23 22:52:53,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-23 22:52:53,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:52:53,964 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:52:53,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 22:52:54,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-23 22:52:54,169 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:52:54,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:52:54,170 INFO L85 PathProgramCache]: Analyzing trace with hash -737435612, now seen corresponding path program 1 times [2024-11-23 22:52:54,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:52:54,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122079467] [2024-11-23 22:52:54,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:54,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:52:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:55,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:52:55,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122079467] [2024-11-23 22:52:55,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122079467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:52:55,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255393911] [2024-11-23 22:52:55,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:52:55,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:52:55,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:52:55,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:52:55,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 22:52:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:52:55,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 22:52:55,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:52:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:56,764 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:52:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:52:59,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255393911] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:52:59,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:52:59,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2024-11-23 22:52:59,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494277428] [2024-11-23 22:52:59,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:52:59,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-23 22:52:59,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:52:59,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-23 22:52:59,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2024-11-23 22:52:59,119 INFO L87 Difference]: Start difference. First operand 87561 states and 115160 transitions. Second operand has 28 states, 28 states have (on average 11.464285714285714) internal successors, (321), 27 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:53:01,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:53:01,302 INFO L93 Difference]: Finished difference Result 302730 states and 396292 transitions. [2024-11-23 22:53:01,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 22:53:01,302 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 11.464285714285714) internal successors, (321), 27 states have internal predecessors, (321), 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 128 [2024-11-23 22:53:01,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:53:01,657 INFO L225 Difference]: With dead ends: 302730 [2024-11-23 22:53:01,658 INFO L226 Difference]: Without dead ends: 221752 [2024-11-23 22:53:01,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=470, Invalid=1600, Unknown=0, NotChecked=0, Total=2070 [2024-11-23 22:53:01,741 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 1499 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1499 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:53:01,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1499 Valid, 1402 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 22:53:01,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221752 states. [2024-11-23 22:53:04,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221752 to 187363. [2024-11-23 22:53:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187363 states, 187362 states have (on average 1.304175873442854) internal successors, (244353), 187362 states have internal predecessors, (244353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:53:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187363 states to 187363 states and 244353 transitions. [2024-11-23 22:53:05,749 INFO L78 Accepts]: Start accepts. Automaton has 187363 states and 244353 transitions. Word has length 128 [2024-11-23 22:53:05,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:53:05,750 INFO L471 AbstractCegarLoop]: Abstraction has 187363 states and 244353 transitions. [2024-11-23 22:53:05,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.464285714285714) internal successors, (321), 27 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:53:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 187363 states and 244353 transitions. [2024-11-23 22:53:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 22:53:05,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:53:05,761 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:05,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 22:53:05,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-23 22:53:05,962 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 22:53:05,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:05,962 INFO L85 PathProgramCache]: Analyzing trace with hash -154522417, now seen corresponding path program 1 times [2024-11-23 22:53:05,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:05,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382889971] [2024-11-23 22:53:05,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:06,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:06,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382889971] [2024-11-23 22:53:06,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382889971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:53:06,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545318882] [2024-11-23 22:53:06,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:06,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:06,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:06,727 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:06,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a5210-c60e-44e4-9ea2-5aa4c759f476/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 22:53:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:07,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 22:53:07,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:09,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:53:13,167 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:13,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545318882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:53:13,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:53:13,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 16] total 41 [2024-11-23 22:53:13,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044637001] [2024-11-23 22:53:13,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:53:13,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-23 22:53:13,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:13,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-23 22:53:13,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1520, Unknown=0, NotChecked=0, Total=1722 [2024-11-23 22:53:13,171 INFO L87 Difference]: Start difference. First operand 187363 states and 244353 transitions. Second operand has 42 states, 42 states have (on average 8.452380952380953) internal successors, (355), 41 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:54:12,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:54:12,680 INFO L93 Difference]: Finished difference Result 1935489 states and 2527347 transitions. [2024-11-23 22:54:12,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 383 states. [2024-11-23 22:54:12,681 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 8.452380952380953) internal successors, (355), 41 states have internal predecessors, (355), 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 129 [2024-11-23 22:54:12,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:54:16,245 INFO L225 Difference]: With dead ends: 1935489 [2024-11-23 22:54:16,246 INFO L226 Difference]: Without dead ends: 1766672 [2024-11-23 22:54:16,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 421 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73671 ImplicationChecksByTransitivity, 44.8s TimeCoverageRelationStatistics Valid=20392, Invalid=158114, Unknown=0, NotChecked=0, Total=178506 [2024-11-23 22:54:16,664 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 8104 mSDsluCounter, 7894 mSDsCounter, 0 mSdLazyCounter, 10407 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8104 SdHoareTripleChecker+Valid, 8277 SdHoareTripleChecker+Invalid, 10559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 10407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:54:16,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8104 Valid, 8277 Invalid, 10559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [152 Valid, 10407 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-23 22:54:18,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766672 states.