./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-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_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/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_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/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_76a54521-38ef-4d42-84fd-3811f1056670/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 5990b1cf211e12a23ca85722a0e539783495fb8504bce43e0d5e789fe089f178 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:49:50,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:49:50,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:49:50,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:49:50,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:49:50,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:49:50,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:49:50,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:49:50,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:49:50,785 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:49:50,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:49:50,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:49:50,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:49:50,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:49:50,787 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:49:50,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:49:50,788 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:49:50,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:49:50,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:49:50,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:49:50,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:49:50,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:49:50,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:49:50,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:49:50,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:49:50,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:49:50,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:49:50,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:49:50,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:49:50,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:49:50,790 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:49:50,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:49:50,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:49:50,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:49:50,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:49:50,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:49:50,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:49:50,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:49:50,790 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_76a54521-38ef-4d42-84fd-3811f1056670/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 -> 5990b1cf211e12a23ca85722a0e539783495fb8504bce43e0d5e789fe089f178 [2024-11-23 23:49:51,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:49:51,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:49:51,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:49:51,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:49:51,148 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:49:51,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-11-23 23:49:54,162 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/data/f89d56d5e/93f081243c3b418ea63832e2dd134fbb/FLAG2604b3630 [2024-11-23 23:49:54,620 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:49:54,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-11-23 23:49:54,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/data/f89d56d5e/93f081243c3b418ea63832e2dd134fbb/FLAG2604b3630 [2024-11-23 23:49:54,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/data/f89d56d5e/93f081243c3b418ea63832e2dd134fbb [2024-11-23 23:49:54,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:49:54,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:49:54,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:49:54,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:49:54,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:49:54,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:54" (1/1) ... [2024-11-23 23:49:54,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2762875b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:54, skipping insertion in model container [2024-11-23 23:49:54,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:54" (1/1) ... [2024-11-23 23:49:54,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:49:55,162 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18815,18828] [2024-11-23 23:49:55,202 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25895,25908] [2024-11-23 23:49:55,232 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29420,29433] [2024-11-23 23:49:55,250 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32798,32811] [2024-11-23 23:49:55,268 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36856,36869] [2024-11-23 23:49:55,285 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40310,40323] [2024-11-23 23:49:55,299 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43875,43888] [2024-11-23 23:49:55,313 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47290,47303] [2024-11-23 23:49:55,327 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[50969,50982] [2024-11-23 23:49:55,341 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54551,54564] [2024-11-23 23:49:55,359 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58080,58093] [2024-11-23 23:49:55,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:49:55,417 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:49:55,539 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18815,18828] [2024-11-23 23:49:55,568 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25895,25908] [2024-11-23 23:49:55,579 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29420,29433] [2024-11-23 23:49:55,598 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32798,32811] [2024-11-23 23:49:55,615 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36856,36869] [2024-11-23 23:49:55,628 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40310,40323] [2024-11-23 23:49:55,644 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43875,43888] [2024-11-23 23:49:55,653 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47290,47303] [2024-11-23 23:49:55,663 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[50969,50982] [2024-11-23 23:49:55,675 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54551,54564] [2024-11-23 23:49:55,686 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_76a54521-38ef-4d42-84fd-3811f1056670/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58080,58093] [2024-11-23 23:49:55,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:49:55,737 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:49:55,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55 WrapperNode [2024-11-23 23:49:55,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:49:55,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:49:55,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:49:55,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:49:55,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:55,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:55,905 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2962 [2024-11-23 23:49:55,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:49:55,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:49:55,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:49:55,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:49:55,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:55,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:55,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:55,992 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 23:49:55,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:55,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:56,017 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:56,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:56,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:56,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:56,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:56,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:49:56,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:49:56,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:49:56,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:49:56,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (1/1) ... [2024-11-23 23:49:56,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:49:56,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:49:56,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:49:56,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:49:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:49:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:49:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:49:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:49:56,360 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:49:56,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:49:58,853 INFO L? ?]: Removed 576 outVars from TransFormulas that were not future-live. [2024-11-23 23:49:58,854 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:49:58,896 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:49:58,896 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:49:58,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:58 BoogieIcfgContainer [2024-11-23 23:49:58,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:49:58,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:49:58,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:49:58,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:49:58,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:49:54" (1/3) ... [2024-11-23 23:49:58,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e92318b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:49:58, skipping insertion in model container [2024-11-23 23:49:58,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:55" (2/3) ... [2024-11-23 23:49:58,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e92318b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:49:58, skipping insertion in model container [2024-11-23 23:49:58,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:58" (3/3) ... [2024-11-23 23:49:58,915 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-11-23 23:49:58,934 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:49:58,937 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c that has 1 procedures, 570 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2024-11-23 23:49:59,019 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:49:59,036 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;@3920f98d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:49:59,036 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-23 23:49:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 570 states, 558 states have (on average 1.7831541218637992) internal successors, (995), 569 states have internal predecessors, (995), 0 states have call successors, (0), 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 23:49:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-23 23:49:59,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:59,065 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 23:49:59,066 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:49:59,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:59,073 INFO L85 PathProgramCache]: Analyzing trace with hash 646480323, now seen corresponding path program 1 times [2024-11-23 23:49:59,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:59,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857159285] [2024-11-23 23:49:59,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:59,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:59,906 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 23:49:59,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:59,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857159285] [2024-11-23 23:49:59,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857159285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:59,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:49:59,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:49:59,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217241262] [2024-11-23 23:49:59,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:59,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:49:59,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:49:59,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:49:59,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:49:59,950 INFO L87 Difference]: Start difference. First operand has 570 states, 558 states have (on average 1.7831541218637992) internal successors, (995), 569 states have internal predecessors, (995), 0 states have call successors, (0), 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 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 23:50:00,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:00,824 INFO L93 Difference]: Finished difference Result 785 states and 1334 transitions. [2024-11-23 23:50:00,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:50:00,827 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 23:50:00,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:00,838 INFO L225 Difference]: With dead ends: 785 [2024-11-23 23:50:00,838 INFO L226 Difference]: Without dead ends: 503 [2024-11-23 23:50:00,846 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 23:50:00,849 INFO L435 NwaCegarLoop]: 489 mSDtfsCounter, 2434 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:00,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2434 Valid, 551 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:50:00,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-23 23:50:00,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-11-23 23:50:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 492 states have (on average 1.274390243902439) internal successors, (627), 502 states have internal predecessors, (627), 0 states have call successors, (0), 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 23:50:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 627 transitions. [2024-11-23 23:50:00,920 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 627 transitions. Word has length 60 [2024-11-23 23:50:00,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:00,921 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 627 transitions. [2024-11-23 23:50:00,921 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 23:50:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 627 transitions. [2024-11-23 23:50:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-23 23:50:00,925 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:00,926 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 23:50:00,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:50:00,930 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:00,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:00,931 INFO L85 PathProgramCache]: Analyzing trace with hash 221242932, now seen corresponding path program 1 times [2024-11-23 23:50:00,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:00,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942029640] [2024-11-23 23:50:00,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:00,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:01,285 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 23:50:01,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:01,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942029640] [2024-11-23 23:50:01,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942029640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:01,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:01,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:50:01,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311306151] [2024-11-23 23:50:01,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:01,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:50:01,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:01,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:50:01,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:50:01,289 INFO L87 Difference]: Start difference. First operand 503 states and 627 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 23:50:01,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:01,679 INFO L93 Difference]: Finished difference Result 637 states and 796 transitions. [2024-11-23 23:50:01,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:50:01,679 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 23:50:01,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:01,681 INFO L225 Difference]: With dead ends: 637 [2024-11-23 23:50:01,682 INFO L226 Difference]: Without dead ends: 381 [2024-11-23 23:50:01,686 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 23:50:01,687 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 1376 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:01,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 266 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:50:01,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-23 23:50:01,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2024-11-23 23:50:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 370 states have (on average 1.2864864864864864) internal successors, (476), 380 states have internal predecessors, (476), 0 states have call successors, (0), 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 23:50:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 476 transitions. [2024-11-23 23:50:01,722 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 476 transitions. Word has length 60 [2024-11-23 23:50:01,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:01,723 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 476 transitions. [2024-11-23 23:50:01,723 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 23:50:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 476 transitions. [2024-11-23 23:50:01,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-23 23:50:01,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:01,724 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 23:50:01,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:50:01,725 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:01,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:01,725 INFO L85 PathProgramCache]: Analyzing trace with hash -2147344789, now seen corresponding path program 1 times [2024-11-23 23:50:01,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:01,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276437398] [2024-11-23 23:50:01,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:01,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:01,974 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 23:50:01,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:01,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276437398] [2024-11-23 23:50:01,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276437398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:01,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:01,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:50:01,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806563105] [2024-11-23 23:50:01,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:01,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:50:01,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:01,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:50:01,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:50:01,978 INFO L87 Difference]: Start difference. First operand 381 states and 476 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 23:50:02,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:02,276 INFO L93 Difference]: Finished difference Result 539 states and 682 transitions. [2024-11-23 23:50:02,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:50:02,277 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 23:50:02,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:02,279 INFO L225 Difference]: With dead ends: 539 [2024-11-23 23:50:02,279 INFO L226 Difference]: Without dead ends: 335 [2024-11-23 23:50:02,279 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 23:50:02,280 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 1224 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:02,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 240 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:50:02,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-23 23:50:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2024-11-23 23:50:02,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 324 states have (on average 1.2993827160493827) internal successors, (421), 334 states have internal predecessors, (421), 0 states have call successors, (0), 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 23:50:02,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 421 transitions. [2024-11-23 23:50:02,296 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 421 transitions. Word has length 60 [2024-11-23 23:50:02,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:02,297 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 421 transitions. [2024-11-23 23:50:02,297 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 23:50:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 421 transitions. [2024-11-23 23:50:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-23 23:50:02,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:02,303 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 23:50:02,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:50:02,303 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:02,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:02,304 INFO L85 PathProgramCache]: Analyzing trace with hash 604643521, now seen corresponding path program 1 times [2024-11-23 23:50:02,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:02,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871088315] [2024-11-23 23:50:02,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:02,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:02,542 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 23:50:02,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:02,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871088315] [2024-11-23 23:50:02,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871088315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:02,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:02,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:50:02,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834574494] [2024-11-23 23:50:02,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:02,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:50:02,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:02,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:50:02,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:50:02,546 INFO L87 Difference]: Start difference. First operand 335 states and 421 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 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 23:50:02,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:02,773 INFO L93 Difference]: Finished difference Result 433 states and 540 transitions. [2024-11-23 23:50:02,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:50:02,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 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 23:50:02,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:02,775 INFO L225 Difference]: With dead ends: 433 [2024-11-23 23:50:02,775 INFO L226 Difference]: Without dead ends: 261 [2024-11-23 23:50:02,775 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 23:50:02,776 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 909 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:02,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 209 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:50:02,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-23 23:50:02,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2024-11-23 23:50:02,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.296) internal successors, (324), 260 states have internal predecessors, (324), 0 states have call successors, (0), 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 23:50:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 324 transitions. [2024-11-23 23:50:02,785 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 324 transitions. Word has length 62 [2024-11-23 23:50:02,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:02,786 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 324 transitions. [2024-11-23 23:50:02,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 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 23:50:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 324 transitions. [2024-11-23 23:50:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 23:50:02,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:02,787 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 23:50:02,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:50:02,787 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:02,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:02,788 INFO L85 PathProgramCache]: Analyzing trace with hash -699288056, now seen corresponding path program 1 times [2024-11-23 23:50:02,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:02,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633291360] [2024-11-23 23:50:02,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:02,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:03,332 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 23:50:03,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:03,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633291360] [2024-11-23 23:50:03,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633291360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:03,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:03,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:03,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936423845] [2024-11-23 23:50:03,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:03,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:03,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:03,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:03,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:03,335 INFO L87 Difference]: Start difference. First operand 261 states and 324 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 23:50:04,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:04,068 INFO L93 Difference]: Finished difference Result 497 states and 634 transitions. [2024-11-23 23:50:04,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:50:04,068 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 23:50:04,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:04,070 INFO L225 Difference]: With dead ends: 497 [2024-11-23 23:50:04,070 INFO L226 Difference]: Without dead ends: 405 [2024-11-23 23:50:04,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:50:04,072 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 1490 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:04,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 1073 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:50:04,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-23 23:50:04,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 261. [2024-11-23 23:50:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.292) internal successors, (323), 260 states have internal predecessors, (323), 0 states have call successors, (0), 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 23:50:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 323 transitions. [2024-11-23 23:50:04,081 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 323 transitions. Word has length 64 [2024-11-23 23:50:04,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:04,082 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 323 transitions. [2024-11-23 23:50:04,082 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 23:50:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 323 transitions. [2024-11-23 23:50:04,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 23:50:04,083 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:04,083 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 23:50:04,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:50:04,083 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:04,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:04,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1796013608, now seen corresponding path program 1 times [2024-11-23 23:50:04,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:04,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334370517] [2024-11-23 23:50:04,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:04,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:04,503 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 23:50:04,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:04,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334370517] [2024-11-23 23:50:04,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334370517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:04,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:04,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:04,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695259112] [2024-11-23 23:50:04,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:04,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:04,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:04,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:04,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:04,506 INFO L87 Difference]: Start difference. First operand 261 states and 323 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 23:50:05,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:05,124 INFO L93 Difference]: Finished difference Result 399 states and 492 transitions. [2024-11-23 23:50:05,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:50:05,124 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 23:50:05,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:05,126 INFO L225 Difference]: With dead ends: 399 [2024-11-23 23:50:05,126 INFO L226 Difference]: Without dead ends: 393 [2024-11-23 23:50:05,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:50:05,127 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 865 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:05,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 800 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:50:05,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-23 23:50:05,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 261. [2024-11-23 23:50:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.288) internal successors, (322), 260 states have internal predecessors, (322), 0 states have call successors, (0), 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 23:50:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 322 transitions. [2024-11-23 23:50:05,139 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 322 transitions. Word has length 64 [2024-11-23 23:50:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:05,141 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 322 transitions. [2024-11-23 23:50:05,141 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 23:50:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 322 transitions. [2024-11-23 23:50:05,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 23:50:05,142 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:05,142 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 23:50:05,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:50:05,142 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:05,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:05,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1577721816, now seen corresponding path program 1 times [2024-11-23 23:50:05,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:05,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459532526] [2024-11-23 23:50:05,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:05,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:05,571 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 23:50:05,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:05,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459532526] [2024-11-23 23:50:05,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459532526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:05,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:05,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:50:05,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953641824] [2024-11-23 23:50:05,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:05,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:50:05,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:05,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:50:05,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:50:05,574 INFO L87 Difference]: Start difference. First operand 261 states and 322 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 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 23:50:06,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:06,167 INFO L93 Difference]: Finished difference Result 516 states and 638 transitions. [2024-11-23 23:50:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:50:06,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 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 23:50:06,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:06,172 INFO L225 Difference]: With dead ends: 516 [2024-11-23 23:50:06,173 INFO L226 Difference]: Without dead ends: 375 [2024-11-23 23:50:06,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:50:06,175 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 1333 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:06,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 837 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:50:06,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-23 23:50:06,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 261. [2024-11-23 23:50:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.284) internal successors, (321), 260 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 23:50:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 321 transitions. [2024-11-23 23:50:06,187 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 321 transitions. Word has length 64 [2024-11-23 23:50:06,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:06,188 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 321 transitions. [2024-11-23 23:50:06,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 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 23:50:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 321 transitions. [2024-11-23 23:50:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-23 23:50:06,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:06,189 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 23:50:06,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:50:06,190 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:06,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:06,190 INFO L85 PathProgramCache]: Analyzing trace with hash -295025225, now seen corresponding path program 1 times [2024-11-23 23:50:06,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:06,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853746071] [2024-11-23 23:50:06,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:06,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:06,640 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 23:50:06,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:06,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853746071] [2024-11-23 23:50:06,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853746071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:06,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:06,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:06,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738670172] [2024-11-23 23:50:06,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:06,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:06,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:06,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:06,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:06,642 INFO L87 Difference]: Start difference. First operand 261 states and 321 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 23:50:07,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:07,263 INFO L93 Difference]: Finished difference Result 450 states and 566 transitions. [2024-11-23 23:50:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:50:07,264 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 23:50:07,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:07,265 INFO L225 Difference]: With dead ends: 450 [2024-11-23 23:50:07,265 INFO L226 Difference]: Without dead ends: 393 [2024-11-23 23:50:07,266 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 23:50:07,267 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 1802 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:07,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 803 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:50:07,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-23 23:50:07,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 261. [2024-11-23 23:50:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.28) internal successors, (320), 260 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 23:50:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2024-11-23 23:50:07,276 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 65 [2024-11-23 23:50:07,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:07,276 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2024-11-23 23:50:07,277 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 23:50:07,278 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2024-11-23 23:50:07,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-23 23:50:07,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:07,279 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 23:50:07,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:50:07,280 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:07,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:07,280 INFO L85 PathProgramCache]: Analyzing trace with hash -535072361, now seen corresponding path program 1 times [2024-11-23 23:50:07,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:07,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636806360] [2024-11-23 23:50:07,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:07,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:07,666 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 23:50:07,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:07,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636806360] [2024-11-23 23:50:07,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636806360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:07,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:07,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:07,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576556990] [2024-11-23 23:50:07,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:07,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:07,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:07,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:07,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:07,667 INFO L87 Difference]: Start difference. First operand 261 states and 320 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 23:50:08,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:08,305 INFO L93 Difference]: Finished difference Result 469 states and 594 transitions. [2024-11-23 23:50:08,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:50:08,306 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 23:50:08,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:08,308 INFO L225 Difference]: With dead ends: 469 [2024-11-23 23:50:08,308 INFO L226 Difference]: Without dead ends: 401 [2024-11-23 23:50:08,308 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 23:50:08,309 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 1113 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:08,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 1072 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:50:08,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-23 23:50:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 261. [2024-11-23 23:50:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.276) internal successors, (319), 260 states have internal predecessors, (319), 0 states have call successors, (0), 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 23:50:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 319 transitions. [2024-11-23 23:50:08,320 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 319 transitions. Word has length 65 [2024-11-23 23:50:08,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:08,321 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 319 transitions. [2024-11-23 23:50:08,321 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 23:50:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 319 transitions. [2024-11-23 23:50:08,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 23:50:08,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:08,323 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 23:50:08,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:50:08,324 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:08,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:08,324 INFO L85 PathProgramCache]: Analyzing trace with hash -168692467, now seen corresponding path program 1 times [2024-11-23 23:50:08,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:08,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696925546] [2024-11-23 23:50:08,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:08,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:08,703 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 23:50:08,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:08,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696925546] [2024-11-23 23:50:08,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696925546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:08,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:08,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:08,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030253812] [2024-11-23 23:50:08,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:08,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:08,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:08,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:08,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:08,705 INFO L87 Difference]: Start difference. First operand 261 states and 319 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:09,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:09,342 INFO L93 Difference]: Finished difference Result 420 states and 519 transitions. [2024-11-23 23:50:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:50:09,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:09,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:09,344 INFO L225 Difference]: With dead ends: 420 [2024-11-23 23:50:09,344 INFO L226 Difference]: Without dead ends: 401 [2024-11-23 23:50:09,345 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 23:50:09,345 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 1682 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:09,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 953 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:50:09,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-23 23:50:09,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 261. [2024-11-23 23:50:09,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.272) internal successors, (318), 260 states have internal predecessors, (318), 0 states have call successors, (0), 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 23:50:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 318 transitions. [2024-11-23 23:50:09,353 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 318 transitions. Word has length 66 [2024-11-23 23:50:09,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:09,354 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 318 transitions. [2024-11-23 23:50:09,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 318 transitions. [2024-11-23 23:50:09,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 23:50:09,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:09,355 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 23:50:09,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:50:09,355 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:09,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:09,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1424145869, now seen corresponding path program 1 times [2024-11-23 23:50:09,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:09,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468931907] [2024-11-23 23:50:09,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:09,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:09,705 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 23:50:09,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:09,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468931907] [2024-11-23 23:50:09,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468931907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:09,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:09,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:09,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594028295] [2024-11-23 23:50:09,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:09,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:09,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:09,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:09,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:09,708 INFO L87 Difference]: Start difference. First operand 261 states and 318 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:10,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:10,335 INFO L93 Difference]: Finished difference Result 399 states and 486 transitions. [2024-11-23 23:50:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:50:10,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:10,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:10,337 INFO L225 Difference]: With dead ends: 399 [2024-11-23 23:50:10,337 INFO L226 Difference]: Without dead ends: 393 [2024-11-23 23:50:10,337 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 23:50:10,338 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 1677 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1677 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:10,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1677 Valid, 897 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:50:10,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-23 23:50:10,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 261. [2024-11-23 23:50:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.268) internal successors, (317), 260 states have internal predecessors, (317), 0 states have call successors, (0), 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 23:50:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 317 transitions. [2024-11-23 23:50:10,346 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 317 transitions. Word has length 66 [2024-11-23 23:50:10,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:10,346 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 317 transitions. [2024-11-23 23:50:10,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 317 transitions. [2024-11-23 23:50:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 23:50:10,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:10,347 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 23:50:10,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:50:10,348 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:10,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:10,348 INFO L85 PathProgramCache]: Analyzing trace with hash -155488627, now seen corresponding path program 1 times [2024-11-23 23:50:10,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:10,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007715666] [2024-11-23 23:50:10,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:10,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:10,920 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 23:50:10,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:10,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007715666] [2024-11-23 23:50:10,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007715666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:10,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:10,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:50:10,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838745669] [2024-11-23 23:50:10,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:10,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:50:10,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:10,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:50:10,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:50:10,923 INFO L87 Difference]: Start difference. First operand 261 states and 317 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 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 23:50:12,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:12,014 INFO L93 Difference]: Finished difference Result 557 states and 708 transitions. [2024-11-23 23:50:12,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 23:50:12,015 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 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 23:50:12,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:12,017 INFO L225 Difference]: With dead ends: 557 [2024-11-23 23:50:12,017 INFO L226 Difference]: Without dead ends: 459 [2024-11-23 23:50:12,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:50:12,018 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 1665 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:12,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 1669 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:50:12,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-23 23:50:12,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 261. [2024-11-23 23:50:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.264) internal successors, (316), 260 states have internal predecessors, (316), 0 states have call successors, (0), 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 23:50:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 316 transitions. [2024-11-23 23:50:12,026 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 316 transitions. Word has length 66 [2024-11-23 23:50:12,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:12,026 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 316 transitions. [2024-11-23 23:50:12,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 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 23:50:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 316 transitions. [2024-11-23 23:50:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 23:50:12,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:12,028 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 23:50:12,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:50:12,028 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 23:50:12,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:12,028 INFO L85 PathProgramCache]: Analyzing trace with hash -131812051, now seen corresponding path program 1 times [2024-11-23 23:50:12,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:12,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850442817] [2024-11-23 23:50:12,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:12,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:12,350 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 23:50:12,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:12,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850442817] [2024-11-23 23:50:12,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850442817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:12,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:12,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:12,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106406050] [2024-11-23 23:50:12,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:12,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:12,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:12,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:12,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:12,351 INFO L87 Difference]: Start difference. First operand 261 states and 316 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:12,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:12,966 INFO L93 Difference]: Finished difference Result 453 states and 564 transitions. [2024-11-23 23:50:12,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:50:12,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:12,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:12,969 INFO L225 Difference]: With dead ends: 453 [2024-11-23 23:50:12,969 INFO L226 Difference]: Without dead ends: 393 [2024-11-23 23:50:12,969 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 23:50:12,970 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 1668 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:12,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1668 Valid, 897 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:50:12,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-23 23:50:12,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 261. [2024-11-23 23:50:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.26) internal successors, (315), 260 states have internal predecessors, (315), 0 states have call successors, (0), 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 23:50:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 315 transitions. [2024-11-23 23:50:12,981 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 315 transitions. Word has length 66 [2024-11-23 23:50:12,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:12,982 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 315 transitions. [2024-11-23 23:50:12,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:12,982 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 315 transitions. [2024-11-23 23:50:12,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 23:50:12,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:12,983 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 23:50:12,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:50:12,984 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:12,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:12,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2058619373, now seen corresponding path program 1 times [2024-11-23 23:50:12,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:12,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406049158] [2024-11-23 23:50:12,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:12,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:13,366 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 23:50:13,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:13,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406049158] [2024-11-23 23:50:13,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406049158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:13,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:13,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:13,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632787825] [2024-11-23 23:50:13,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:13,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:13,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:13,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:13,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:13,369 INFO L87 Difference]: Start difference. First operand 261 states and 315 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:14,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:14,021 INFO L93 Difference]: Finished difference Result 474 states and 594 transitions. [2024-11-23 23:50:14,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:50:14,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:14,024 INFO L225 Difference]: With dead ends: 474 [2024-11-23 23:50:14,025 INFO L226 Difference]: Without dead ends: 401 [2024-11-23 23:50:14,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:50:14,026 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 1321 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:14,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 1083 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:50:14,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-23 23:50:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 261. [2024-11-23 23:50:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 250 states have (on average 1.256) internal successors, (314), 260 states have internal predecessors, (314), 0 states have call successors, (0), 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 23:50:14,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 314 transitions. [2024-11-23 23:50:14,037 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 314 transitions. Word has length 66 [2024-11-23 23:50:14,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:14,038 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 314 transitions. [2024-11-23 23:50:14,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 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 23:50:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 314 transitions. [2024-11-23 23:50:14,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 23:50:14,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:14,040 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 23:50:14,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:50:14,041 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:14,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:14,042 INFO L85 PathProgramCache]: Analyzing trace with hash 817551922, now seen corresponding path program 1 times [2024-11-23 23:50:14,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:14,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977644556] [2024-11-23 23:50:14,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:14,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:14,764 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 23:50:14,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:14,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977644556] [2024-11-23 23:50:14,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977644556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:14,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:14,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 23:50:14,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111113531] [2024-11-23 23:50:14,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:14,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:50:14,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:14,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:50:14,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:50:14,766 INFO L87 Difference]: Start difference. First operand 261 states and 314 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 23:50:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:15,530 INFO L93 Difference]: Finished difference Result 421 states and 533 transitions. [2024-11-23 23:50:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 23:50:15,530 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 23:50:15,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:15,532 INFO L225 Difference]: With dead ends: 421 [2024-11-23 23:50:15,532 INFO L226 Difference]: Without dead ends: 331 [2024-11-23 23:50:15,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:50:15,534 INFO L435 NwaCegarLoop]: 292 mSDtfsCounter, 1209 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:15,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 1748 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:50:15,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-23 23:50:15,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 225. [2024-11-23 23:50:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 217 states have (on average 1.2580645161290323) internal successors, (273), 224 states have internal predecessors, (273), 0 states have call successors, (0), 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 23:50:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 273 transitions. [2024-11-23 23:50:15,541 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 273 transitions. Word has length 67 [2024-11-23 23:50:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:15,542 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 273 transitions. [2024-11-23 23:50:15,542 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 23:50:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 273 transitions. [2024-11-23 23:50:15,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 23:50:15,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:15,543 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 23:50:15,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:50:15,543 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:15,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:15,545 INFO L85 PathProgramCache]: Analyzing trace with hash 167509874, now seen corresponding path program 1 times [2024-11-23 23:50:15,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:15,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004864181] [2024-11-23 23:50:15,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:15,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:17,487 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 23:50:17,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:17,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004864181] [2024-11-23 23:50:17,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004864181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:17,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:17,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-23 23:50:17,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501320323] [2024-11-23 23:50:17,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:17,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-23 23:50:17,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:17,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-23 23:50:17,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:50:17,490 INFO L87 Difference]: Start difference. First operand 225 states and 273 transitions. Second operand has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 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 23:50:21,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:21,700 INFO L93 Difference]: Finished difference Result 660 states and 832 transitions. [2024-11-23 23:50:21,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-23 23:50:21,701 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 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 23:50:21,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:21,703 INFO L225 Difference]: With dead ends: 660 [2024-11-23 23:50:21,703 INFO L226 Difference]: Without dead ends: 605 [2024-11-23 23:50:21,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=379, Invalid=1691, Unknown=0, NotChecked=0, Total=2070 [2024-11-23 23:50:21,705 INFO L435 NwaCegarLoop]: 425 mSDtfsCounter, 2359 mSDsluCounter, 5217 mSDsCounter, 0 mSdLazyCounter, 2644 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2359 SdHoareTripleChecker+Valid, 5642 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:21,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2359 Valid, 5642 Invalid, 2657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2644 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-23 23:50:21,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-23 23:50:21,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 236. [2024-11-23 23:50:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 228 states have (on average 1.2587719298245614) internal successors, (287), 235 states have internal predecessors, (287), 0 states have call successors, (0), 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 23:50:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 287 transitions. [2024-11-23 23:50:21,715 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 287 transitions. Word has length 67 [2024-11-23 23:50:21,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:21,715 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 287 transitions. [2024-11-23 23:50:21,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 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 23:50:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 287 transitions. [2024-11-23 23:50:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-23 23:50:21,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:21,716 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 23:50:21,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:50:21,717 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:21,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:21,717 INFO L85 PathProgramCache]: Analyzing trace with hash 620991698, now seen corresponding path program 1 times [2024-11-23 23:50:21,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:21,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680717031] [2024-11-23 23:50:21,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:21,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:22,384 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 23:50:22,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:22,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680717031] [2024-11-23 23:50:22,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680717031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:22,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:22,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 23:50:22,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51935279] [2024-11-23 23:50:22,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:22,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:50:22,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:22,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:50:22,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:50:22,387 INFO L87 Difference]: Start difference. First operand 236 states and 287 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 23:50:23,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:23,049 INFO L93 Difference]: Finished difference Result 396 states and 505 transitions. [2024-11-23 23:50:23,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:50:23,049 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 23:50:23,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:23,051 INFO L225 Difference]: With dead ends: 396 [2024-11-23 23:50:23,051 INFO L226 Difference]: Without dead ends: 315 [2024-11-23 23:50:23,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:50:23,052 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 931 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 1639 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:23,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 1639 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:50:23,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-23 23:50:23,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 209. [2024-11-23 23:50:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 202 states have (on average 1.2574257425742574) internal successors, (254), 208 states have internal predecessors, (254), 0 states have call successors, (0), 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 23:50:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 254 transitions. [2024-11-23 23:50:23,060 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 254 transitions. Word has length 67 [2024-11-23 23:50:23,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:23,061 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 254 transitions. [2024-11-23 23:50:23,061 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 23:50:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 254 transitions. [2024-11-23 23:50:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-23 23:50:23,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:23,062 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] [2024-11-23 23:50:23,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:50:23,062 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 23:50:23,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:23,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1968382194, now seen corresponding path program 1 times [2024-11-23 23:50:23,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:23,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730244635] [2024-11-23 23:50:23,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:24,581 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 23:50:24,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:24,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730244635] [2024-11-23 23:50:24,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730244635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:24,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:24,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-23 23:50:24,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198121475] [2024-11-23 23:50:24,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:24,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-23 23:50:24,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:24,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-23 23:50:24,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:50:24,583 INFO L87 Difference]: Start difference. First operand 209 states and 254 transitions. Second operand has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:50:27,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:27,019 INFO L93 Difference]: Finished difference Result 570 states and 731 transitions. [2024-11-23 23:50:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 23:50:27,020 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-23 23:50:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:27,022 INFO L225 Difference]: With dead ends: 570 [2024-11-23 23:50:27,022 INFO L226 Difference]: Without dead ends: 512 [2024-11-23 23:50:27,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=228, Invalid=1104, Unknown=0, NotChecked=0, Total=1332 [2024-11-23 23:50:27,023 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 2135 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2135 SdHoareTripleChecker+Valid, 3625 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:27,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2135 Valid, 3625 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-23 23:50:27,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-23 23:50:27,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 226. [2024-11-23 23:50:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 219 states have (on average 1.264840182648402) internal successors, (277), 225 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:50:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2024-11-23 23:50:27,032 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 68 [2024-11-23 23:50:27,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:27,033 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2024-11-23 23:50:27,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.238095238095238) internal successors, (68), 21 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:50:27,033 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2024-11-23 23:50:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-23 23:50:27,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:27,034 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] [2024-11-23 23:50:27,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:50:27,034 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:27,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:27,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1763841774, now seen corresponding path program 1 times [2024-11-23 23:50:27,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:27,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151939435] [2024-11-23 23:50:27,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:27,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:27,662 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 23:50:27,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:27,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151939435] [2024-11-23 23:50:27,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151939435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:27,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:27,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 23:50:27,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393347362] [2024-11-23 23:50:27,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:27,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:50:27,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:27,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:50:27,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:50:27,663 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:50:28,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:28,289 INFO L93 Difference]: Finished difference Result 522 states and 678 transitions. [2024-11-23 23:50:28,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:50:28,290 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-23 23:50:28,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:28,292 INFO L225 Difference]: With dead ends: 522 [2024-11-23 23:50:28,292 INFO L226 Difference]: Without dead ends: 414 [2024-11-23 23:50:28,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:50:28,293 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 787 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:28,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 1415 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:50:28,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-23 23:50:28,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 172. [2024-11-23 23:50:28,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 168 states have (on average 1.2619047619047619) internal successors, (212), 171 states have internal predecessors, (212), 0 states have call successors, (0), 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 23:50:28,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 212 transitions. [2024-11-23 23:50:28,299 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 212 transitions. Word has length 68 [2024-11-23 23:50:28,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:28,299 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 212 transitions. [2024-11-23 23:50:28,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:50:28,300 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 212 transitions. [2024-11-23 23:50:28,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-23 23:50:28,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:28,301 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 23:50:28,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 23:50:28,302 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:28,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:28,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1394723840, now seen corresponding path program 1 times [2024-11-23 23:50:28,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:28,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903813171] [2024-11-23 23:50:28,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:28,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:28,828 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 23:50:28,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:28,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903813171] [2024-11-23 23:50:28,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903813171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:28,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:28,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 23:50:28,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688800699] [2024-11-23 23:50:28,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:28,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:50:28,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:28,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:50:28,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:50:28,830 INFO L87 Difference]: Start difference. First operand 172 states and 212 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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 23:50:29,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:29,478 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2024-11-23 23:50:29,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 23:50:29,479 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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 23:50:29,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:29,480 INFO L225 Difference]: With dead ends: 308 [2024-11-23 23:50:29,480 INFO L226 Difference]: Without dead ends: 233 [2024-11-23 23:50:29,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:50:29,481 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 623 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:29,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 1201 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:50:29,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-23 23:50:29,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 138. [2024-11-23 23:50:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 136 states have (on average 1.2426470588235294) internal successors, (169), 137 states have internal predecessors, (169), 0 states have call successors, (0), 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 23:50:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 169 transitions. [2024-11-23 23:50:29,489 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 169 transitions. Word has length 69 [2024-11-23 23:50:29,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:29,489 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 169 transitions. [2024-11-23 23:50:29,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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 23:50:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 169 transitions. [2024-11-23 23:50:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-23 23:50:29,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:29,490 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 23:50:29,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 23:50:29,493 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:29,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:29,494 INFO L85 PathProgramCache]: Analyzing trace with hash -957086542, now seen corresponding path program 1 times [2024-11-23 23:50:29,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:29,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99439933] [2024-11-23 23:50:29,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:29,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:29,727 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 23:50:29,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:29,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99439933] [2024-11-23 23:50:29,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99439933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:29,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:29,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:29,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277773429] [2024-11-23 23:50:29,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:29,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:29,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:29,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:29,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:29,730 INFO L87 Difference]: Start difference. First operand 138 states and 169 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 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 23:50:30,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:30,185 INFO L93 Difference]: Finished difference Result 296 states and 383 transitions. [2024-11-23 23:50:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:50:30,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 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 23:50:30,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:30,187 INFO L225 Difference]: With dead ends: 296 [2024-11-23 23:50:30,187 INFO L226 Difference]: Without dead ends: 222 [2024-11-23 23:50:30,187 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 23:50:30,188 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 459 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:30,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 670 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:50:30,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-23 23:50:30,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 138. [2024-11-23 23:50:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 137 states have internal predecessors, (168), 0 states have call successors, (0), 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 23:50:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 168 transitions. [2024-11-23 23:50:30,194 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 168 transitions. Word has length 70 [2024-11-23 23:50:30,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:30,195 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 168 transitions. [2024-11-23 23:50:30,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 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 23:50:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 168 transitions. [2024-11-23 23:50:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-23 23:50:30,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:30,196 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 23:50:30,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 23:50:30,196 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:30,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:30,197 INFO L85 PathProgramCache]: Analyzing trace with hash -918116841, now seen corresponding path program 1 times [2024-11-23 23:50:30,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:30,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505349578] [2024-11-23 23:50:30,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:30,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:30,787 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 23:50:30,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:30,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505349578] [2024-11-23 23:50:30,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505349578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:30,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:30,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-23 23:50:30,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749823944] [2024-11-23 23:50:30,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:30,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:50:30,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:30,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:50:30,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:50:30,790 INFO L87 Difference]: Start difference. First operand 138 states and 168 transitions. Second operand has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 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 23:50:31,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:31,686 INFO L93 Difference]: Finished difference Result 331 states and 439 transitions. [2024-11-23 23:50:31,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 23:50:31,687 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 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 23:50:31,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:31,689 INFO L225 Difference]: With dead ends: 331 [2024-11-23 23:50:31,689 INFO L226 Difference]: Without dead ends: 325 [2024-11-23 23:50:31,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:50:31,692 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 867 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:31,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 1700 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:50:31,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-23 23:50:31,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 132. [2024-11-23 23:50:31,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.2366412213740459) internal successors, (162), 131 states have internal predecessors, (162), 0 states have call successors, (0), 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 23:50:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 162 transitions. [2024-11-23 23:50:31,698 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 162 transitions. Word has length 72 [2024-11-23 23:50:31,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:31,698 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 162 transitions. [2024-11-23 23:50:31,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 13 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 23:50:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 162 transitions. [2024-11-23 23:50:31,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 23:50:31,700 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:31,700 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 23:50:31,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 23:50:31,700 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:31,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1364481581, now seen corresponding path program 1 times [2024-11-23 23:50:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:31,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614981725] [2024-11-23 23:50:31,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:31,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:31,881 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 23:50:31,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:31,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614981725] [2024-11-23 23:50:31,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614981725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:31,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:31,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:50:31,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996440013] [2024-11-23 23:50:31,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:31,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:50:31,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:31,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:50:31,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:50:31,884 INFO L87 Difference]: Start difference. First operand 132 states and 162 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 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 23:50:32,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:32,036 INFO L93 Difference]: Finished difference Result 564 states and 794 transitions. [2024-11-23 23:50:32,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:50:32,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 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 23:50:32,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:32,039 INFO L225 Difference]: With dead ends: 564 [2024-11-23 23:50:32,039 INFO L226 Difference]: Without dead ends: 510 [2024-11-23 23:50:32,039 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 23:50:32,040 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 896 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 944 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 23:50:32,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 944 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:50:32,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-23 23:50:32,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 184. [2024-11-23 23:50:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.3005464480874316) internal successors, (238), 183 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 23:50:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 238 transitions. [2024-11-23 23:50:32,050 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 238 transitions. Word has length 96 [2024-11-23 23:50:32,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:32,051 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 238 transitions. [2024-11-23 23:50:32,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 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 23:50:32,051 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 238 transitions. [2024-11-23 23:50:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:50:32,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:32,052 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 23:50:32,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 23:50:32,053 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 23:50:32,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:32,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1426852022, now seen corresponding path program 1 times [2024-11-23 23:50:32,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:32,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803870616] [2024-11-23 23:50:32,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:32,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:32,238 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 23:50:32,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:32,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803870616] [2024-11-23 23:50:32,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803870616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:32,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:32,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:50:32,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907926591] [2024-11-23 23:50:32,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:32,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:50:32,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:32,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:50:32,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:50:32,240 INFO L87 Difference]: Start difference. First operand 184 states and 238 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 23:50:32,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:32,336 INFO L93 Difference]: Finished difference Result 662 states and 935 transitions. [2024-11-23 23:50:32,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:50:32,337 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 23:50:32,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:32,338 INFO L225 Difference]: With dead ends: 662 [2024-11-23 23:50:32,339 INFO L226 Difference]: Without dead ends: 556 [2024-11-23 23:50:32,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:32,339 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 648 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 664 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 23:50:32,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 664 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:50:32,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-23 23:50:32,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 288. [2024-11-23 23:50:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.362369337979094) internal successors, (391), 287 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 23:50:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 391 transitions. [2024-11-23 23:50:32,350 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 391 transitions. Word has length 98 [2024-11-23 23:50:32,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:32,350 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 391 transitions. [2024-11-23 23:50:32,350 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 23:50:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 391 transitions. [2024-11-23 23:50:32,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:50:32,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:32,351 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 23:50:32,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 23:50:32,352 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:32,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:32,352 INFO L85 PathProgramCache]: Analyzing trace with hash 645902315, now seen corresponding path program 1 times [2024-11-23 23:50:32,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:32,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327519290] [2024-11-23 23:50:32,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:32,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:32,567 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 23:50:32,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327519290] [2024-11-23 23:50:32,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327519290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:32,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:32,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:50:32,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200188885] [2024-11-23 23:50:32,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:32,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:50:32,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:32,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:50:32,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:50:32,569 INFO L87 Difference]: Start difference. First operand 288 states and 391 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 23:50:32,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:32,684 INFO L93 Difference]: Finished difference Result 500 states and 700 transitions. [2024-11-23 23:50:32,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:50:32,685 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 23:50:32,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:32,686 INFO L225 Difference]: With dead ends: 500 [2024-11-23 23:50:32,686 INFO L226 Difference]: Without dead ends: 290 [2024-11-23 23:50:32,687 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 23:50:32,687 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 74 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 454 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 23:50:32,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 454 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:50:32,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-23 23:50:32,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 288. [2024-11-23 23:50:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.3554006968641115) internal successors, (389), 287 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 23:50:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 389 transitions. [2024-11-23 23:50:32,696 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 389 transitions. Word has length 98 [2024-11-23 23:50:32,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:32,696 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 389 transitions. [2024-11-23 23:50:32,698 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 23:50:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 389 transitions. [2024-11-23 23:50:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:50:32,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:32,699 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 23:50:32,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 23:50:32,700 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:32,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:32,700 INFO L85 PathProgramCache]: Analyzing trace with hash 579408803, now seen corresponding path program 1 times [2024-11-23 23:50:32,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:32,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367723640] [2024-11-23 23:50:32,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:32,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:32,761 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 23:50:32,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:32,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367723640] [2024-11-23 23:50:32,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367723640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:32,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:32,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:50:32,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153860929] [2024-11-23 23:50:32,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:32,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:32,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:32,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:32,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:32,764 INFO L87 Difference]: Start difference. First operand 288 states and 389 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 23:50:32,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:32,792 INFO L93 Difference]: Finished difference Result 682 states and 957 transitions. [2024-11-23 23:50:32,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:32,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 23:50:32,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:32,794 INFO L225 Difference]: With dead ends: 682 [2024-11-23 23:50:32,794 INFO L226 Difference]: Without dead ends: 472 [2024-11-23 23:50:32,795 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 23:50:32,795 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 66 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:32,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 371 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:32,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-23 23:50:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 470. [2024-11-23 23:50:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 469 states have (on average 1.3688699360341152) internal successors, (642), 469 states have internal predecessors, (642), 0 states have call successors, (0), 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 23:50:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 642 transitions. [2024-11-23 23:50:32,807 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 642 transitions. Word has length 98 [2024-11-23 23:50:32,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:32,808 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 642 transitions. [2024-11-23 23:50:32,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 23:50:32,808 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 642 transitions. [2024-11-23 23:50:32,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:50:32,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:32,809 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 23:50:32,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 23:50:32,809 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:32,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:32,810 INFO L85 PathProgramCache]: Analyzing trace with hash 628880202, now seen corresponding path program 1 times [2024-11-23 23:50:32,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:32,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481287461] [2024-11-23 23:50:32,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:32,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:32,947 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 23:50:32,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:32,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481287461] [2024-11-23 23:50:32,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481287461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:32,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:32,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:50:32,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961604975] [2024-11-23 23:50:32,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:32,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:50:32,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:32,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:50:32,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:50:32,949 INFO L87 Difference]: Start difference. First operand 470 states and 642 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 23:50:33,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:33,066 INFO L93 Difference]: Finished difference Result 1358 states and 1906 transitions. [2024-11-23 23:50:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:50:33,066 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 23:50:33,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:33,069 INFO L225 Difference]: With dead ends: 1358 [2024-11-23 23:50:33,070 INFO L226 Difference]: Without dead ends: 1161 [2024-11-23 23:50:33,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:33,071 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 613 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:33,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 691 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:50:33,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2024-11-23 23:50:33,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 763. [2024-11-23 23:50:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 762 states have (on average 1.389763779527559) internal successors, (1059), 762 states have internal predecessors, (1059), 0 states have call successors, (0), 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 23:50:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1059 transitions. [2024-11-23 23:50:33,094 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1059 transitions. Word has length 98 [2024-11-23 23:50:33,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:33,094 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1059 transitions. [2024-11-23 23:50:33,094 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 23:50:33,095 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1059 transitions. [2024-11-23 23:50:33,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:50:33,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:33,096 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 23:50:33,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 23:50:33,096 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:33,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:33,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1790937782, now seen corresponding path program 1 times [2024-11-23 23:50:33,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:33,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302539322] [2024-11-23 23:50:33,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:33,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:33,235 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 23:50:33,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:33,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302539322] [2024-11-23 23:50:33,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302539322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:33,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:33,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:50:33,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740966102] [2024-11-23 23:50:33,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:33,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:50:33,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:33,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:50:33,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:50:33,239 INFO L87 Difference]: Start difference. First operand 763 states and 1059 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 23:50:33,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:33,356 INFO L93 Difference]: Finished difference Result 1553 states and 2184 transitions. [2024-11-23 23:50:33,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:50:33,356 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 23:50:33,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:33,360 INFO L225 Difference]: With dead ends: 1553 [2024-11-23 23:50:33,360 INFO L226 Difference]: Without dead ends: 1356 [2024-11-23 23:50:33,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:33,361 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 583 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:33,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 750 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:50:33,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2024-11-23 23:50:33,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 958. [2024-11-23 23:50:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 957 states have (on average 1.3970741901776385) internal successors, (1337), 957 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 23:50:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1337 transitions. [2024-11-23 23:50:33,388 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1337 transitions. Word has length 98 [2024-11-23 23:50:33,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:33,388 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1337 transitions. [2024-11-23 23:50:33,388 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 23:50:33,388 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1337 transitions. [2024-11-23 23:50:33,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:50:33,389 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:33,390 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 23:50:33,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 23:50:33,391 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:33,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:33,391 INFO L85 PathProgramCache]: Analyzing trace with hash -686393014, now seen corresponding path program 1 times [2024-11-23 23:50:33,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:33,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600497405] [2024-11-23 23:50:33,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:33,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:33,565 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 23:50:33,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:33,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600497405] [2024-11-23 23:50:33,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600497405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:33,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:33,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:50:33,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953564036] [2024-11-23 23:50:33,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:33,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:50:33,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:33,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:50:33,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:50:33,569 INFO L87 Difference]: Start difference. First operand 958 states and 1337 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 23:50:33,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:33,686 INFO L93 Difference]: Finished difference Result 1748 states and 2462 transitions. [2024-11-23 23:50:33,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:50:33,686 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 23:50:33,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:33,690 INFO L225 Difference]: With dead ends: 1748 [2024-11-23 23:50:33,691 INFO L226 Difference]: Without dead ends: 1551 [2024-11-23 23:50:33,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:33,692 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 641 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:33,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 765 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:50:33,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2024-11-23 23:50:33,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1153. [2024-11-23 23:50:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.4019097222222223) internal successors, (1615), 1152 states have internal predecessors, (1615), 0 states have call successors, (0), 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 23:50:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1615 transitions. [2024-11-23 23:50:33,724 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1615 transitions. Word has length 98 [2024-11-23 23:50:33,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:33,724 INFO L471 AbstractCegarLoop]: Abstraction has 1153 states and 1615 transitions. [2024-11-23 23:50:33,725 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 23:50:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1615 transitions. [2024-11-23 23:50:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:50:33,726 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:33,726 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 23:50:33,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 23:50:33,726 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:33,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:33,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1897778033, now seen corresponding path program 1 times [2024-11-23 23:50:33,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:33,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586662870] [2024-11-23 23:50:33,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:33,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:33,857 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 23:50:33,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:33,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586662870] [2024-11-23 23:50:33,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586662870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:33,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:33,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:50:33,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130498216] [2024-11-23 23:50:33,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:33,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:33,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:33,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:33,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:33,858 INFO L87 Difference]: Start difference. First operand 1153 states and 1615 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 23:50:33,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:33,885 INFO L93 Difference]: Finished difference Result 2885 states and 4062 transitions. [2024-11-23 23:50:33,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:33,885 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 23:50:33,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:33,890 INFO L225 Difference]: With dead ends: 2885 [2024-11-23 23:50:33,890 INFO L226 Difference]: Without dead ends: 1810 [2024-11-23 23:50:33,891 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 23:50:33,893 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 77 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 343 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 23:50:33,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 343 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:33,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2024-11-23 23:50:33,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1720. [2024-11-23 23:50:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1719 states have (on average 1.3944153577661431) internal successors, (2397), 1719 states have internal predecessors, (2397), 0 states have call successors, (0), 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 23:50:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2397 transitions. [2024-11-23 23:50:33,934 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2397 transitions. Word has length 99 [2024-11-23 23:50:33,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:33,934 INFO L471 AbstractCegarLoop]: Abstraction has 1720 states and 2397 transitions. [2024-11-23 23:50:33,935 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 23:50:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2397 transitions. [2024-11-23 23:50:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-23 23:50:33,936 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:33,936 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, 1] [2024-11-23 23:50:33,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 23:50:33,936 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:33,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:33,936 INFO L85 PathProgramCache]: Analyzing trace with hash 642959826, now seen corresponding path program 1 times [2024-11-23 23:50:33,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:33,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310152489] [2024-11-23 23:50:33,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:33,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:34,058 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 23:50:34,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:34,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310152489] [2024-11-23 23:50:34,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310152489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:34,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:34,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:50:34,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706535577] [2024-11-23 23:50:34,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:34,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:34,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:34,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:34,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:34,062 INFO L87 Difference]: Start difference. First operand 1720 states and 2397 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 23:50:34,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:34,092 INFO L93 Difference]: Finished difference Result 4872 states and 6794 transitions. [2024-11-23 23:50:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:34,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-23 23:50:34,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:34,101 INFO L225 Difference]: With dead ends: 4872 [2024-11-23 23:50:34,101 INFO L226 Difference]: Without dead ends: 3230 [2024-11-23 23:50:34,103 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 23:50:34,104 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 70 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 344 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 23:50:34,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 344 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3230 states. [2024-11-23 23:50:34,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3230 to 3096. [2024-11-23 23:50:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 3095 states have (on average 1.3831987075928918) internal successors, (4281), 3095 states have internal predecessors, (4281), 0 states have call successors, (0), 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 23:50:34,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 4281 transitions. [2024-11-23 23:50:34,163 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 4281 transitions. Word has length 100 [2024-11-23 23:50:34,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:34,163 INFO L471 AbstractCegarLoop]: Abstraction has 3096 states and 4281 transitions. [2024-11-23 23:50:34,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 23:50:34,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 4281 transitions. [2024-11-23 23:50:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-23 23:50:34,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:34,165 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, 1, 1] [2024-11-23 23:50:34,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-23 23:50:34,165 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:34,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:34,166 INFO L85 PathProgramCache]: Analyzing trace with hash -563977445, now seen corresponding path program 1 times [2024-11-23 23:50:34,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:34,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928290081] [2024-11-23 23:50:34,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:34,282 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 23:50:34,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:34,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928290081] [2024-11-23 23:50:34,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928290081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:34,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:34,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:50:34,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51348122] [2024-11-23 23:50:34,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:34,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:34,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:34,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:34,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:34,284 INFO L87 Difference]: Start difference. First operand 3096 states and 4281 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:50:34,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:34,321 INFO L93 Difference]: Finished difference Result 8868 states and 12215 transitions. [2024-11-23 23:50:34,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:34,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-23 23:50:34,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:34,335 INFO L225 Difference]: With dead ends: 8868 [2024-11-23 23:50:34,336 INFO L226 Difference]: Without dead ends: 5850 [2024-11-23 23:50:34,342 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 23:50:34,343 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 63 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 344 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 23:50:34,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 344 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5850 states. [2024-11-23 23:50:34,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5850 to 5584. [2024-11-23 23:50:34,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5584 states, 5583 states have (on average 1.3648576034390112) internal successors, (7620), 5583 states have internal predecessors, (7620), 0 states have call successors, (0), 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 23:50:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5584 states to 5584 states and 7620 transitions. [2024-11-23 23:50:34,466 INFO L78 Accepts]: Start accepts. Automaton has 5584 states and 7620 transitions. Word has length 101 [2024-11-23 23:50:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:34,467 INFO L471 AbstractCegarLoop]: Abstraction has 5584 states and 7620 transitions. [2024-11-23 23:50:34,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:50:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 5584 states and 7620 transitions. [2024-11-23 23:50:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 23:50:34,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:34,469 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, 1, 1, 1] [2024-11-23 23:50:34,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-23 23:50:34,469 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:34,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:34,470 INFO L85 PathProgramCache]: Analyzing trace with hash 573353758, now seen corresponding path program 1 times [2024-11-23 23:50:34,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:34,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974736153] [2024-11-23 23:50:34,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:34,591 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 23:50:34,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:34,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974736153] [2024-11-23 23:50:34,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974736153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:34,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:34,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:50:34,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885265316] [2024-11-23 23:50:34,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:34,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:34,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:34,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:34,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:34,593 INFO L87 Difference]: Start difference. First operand 5584 states and 7620 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:50:34,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:34,648 INFO L93 Difference]: Finished difference Result 16068 states and 21770 transitions. [2024-11-23 23:50:34,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:34,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-23 23:50:34,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:34,694 INFO L225 Difference]: With dead ends: 16068 [2024-11-23 23:50:34,694 INFO L226 Difference]: Without dead ends: 10562 [2024-11-23 23:50:34,699 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 23:50:34,700 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 53 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 343 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 23:50:34,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 343 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:34,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10562 states. [2024-11-23 23:50:34,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10562 to 10032. [2024-11-23 23:50:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 1.3398464759246336) internal successors, (13440), 10031 states have internal predecessors, (13440), 0 states have call successors, (0), 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 23:50:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 13440 transitions. [2024-11-23 23:50:34,929 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 13440 transitions. Word has length 102 [2024-11-23 23:50:34,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:34,929 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 13440 transitions. [2024-11-23 23:50:34,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:50:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 13440 transitions. [2024-11-23 23:50:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:50:34,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:34,931 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, 1, 1, 1, 1] [2024-11-23 23:50:34,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-23 23:50:34,931 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:34,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:34,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1488377255, now seen corresponding path program 1 times [2024-11-23 23:50:34,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:34,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084358747] [2024-11-23 23:50:34,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:34,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:35,176 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 23:50:35,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:35,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084358747] [2024-11-23 23:50:35,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084358747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:35,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:35,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:50:35,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924352840] [2024-11-23 23:50:35,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:35,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:50:35,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:35,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:50:35,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:50:35,178 INFO L87 Difference]: Start difference. First operand 10032 states and 13440 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 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 23:50:35,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:35,661 INFO L93 Difference]: Finished difference Result 30226 states and 40442 transitions. [2024-11-23 23:50:35,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:50:35,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2024-11-23 23:50:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:35,703 INFO L225 Difference]: With dead ends: 30226 [2024-11-23 23:50:35,703 INFO L226 Difference]: Without dead ends: 20265 [2024-11-23 23:50:35,713 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 23:50:35,714 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 603 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:35,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 604 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:50:35,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20265 states. [2024-11-23 23:50:35,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20265 to 10032. [2024-11-23 23:50:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 1.3397467849666036) internal successors, (13439), 10031 states have internal predecessors, (13439), 0 states have call successors, (0), 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 23:50:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 13439 transitions. [2024-11-23 23:50:35,930 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 13439 transitions. Word has length 103 [2024-11-23 23:50:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:35,930 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 13439 transitions. [2024-11-23 23:50:35,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 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 23:50:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 13439 transitions. [2024-11-23 23:50:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:50:35,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:35,931 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, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:35,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-23 23:50:35,932 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:35,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash -397575358, now seen corresponding path program 1 times [2024-11-23 23:50:35,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:35,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360870656] [2024-11-23 23:50:35,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:35,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:36,220 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 23:50:36,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:36,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360870656] [2024-11-23 23:50:36,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360870656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:36,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:36,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:50:36,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702980369] [2024-11-23 23:50:36,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:36,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:50:36,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:36,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:50:36,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:50:36,222 INFO L87 Difference]: Start difference. First operand 10032 states and 13439 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 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 23:50:36,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:36,312 INFO L93 Difference]: Finished difference Result 10274 states and 13760 transitions. [2024-11-23 23:50:36,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:50:36,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2024-11-23 23:50:36,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:36,331 INFO L225 Difference]: With dead ends: 10274 [2024-11-23 23:50:36,331 INFO L226 Difference]: Without dead ends: 10272 [2024-11-23 23:50:36,333 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 23:50:36,333 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:36,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 768 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:36,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10272 states. [2024-11-23 23:50:36,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10272 to 10272. [2024-11-23 23:50:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10272 states, 10271 states have (on average 1.3224612988024536) internal successors, (13583), 10271 states have internal predecessors, (13583), 0 states have call successors, (0), 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 23:50:36,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10272 states to 10272 states and 13583 transitions. [2024-11-23 23:50:36,452 INFO L78 Accepts]: Start accepts. Automaton has 10272 states and 13583 transitions. Word has length 105 [2024-11-23 23:50:36,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:36,453 INFO L471 AbstractCegarLoop]: Abstraction has 10272 states and 13583 transitions. [2024-11-23 23:50:36,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 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 23:50:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 10272 states and 13583 transitions. [2024-11-23 23:50:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:50:36,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:36,454 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, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:36,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-23 23:50:36,454 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:36,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:36,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1994343167, now seen corresponding path program 1 times [2024-11-23 23:50:36,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:36,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72545584] [2024-11-23 23:50:36,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:36,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:36,521 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 23:50:36,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:36,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72545584] [2024-11-23 23:50:36,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72545584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:36,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:36,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:50:36,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118484523] [2024-11-23 23:50:36,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:36,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:36,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:36,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:36,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:36,523 INFO L87 Difference]: Start difference. First operand 10272 states and 13583 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 23:50:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:36,582 INFO L93 Difference]: Finished difference Result 20788 states and 27513 transitions. [2024-11-23 23:50:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:36,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2024-11-23 23:50:36,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:36,602 INFO L225 Difference]: With dead ends: 20788 [2024-11-23 23:50:36,602 INFO L226 Difference]: Without dead ends: 10594 [2024-11-23 23:50:36,610 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 23:50:36,611 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 85 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:36,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 285 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:36,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10594 states. [2024-11-23 23:50:36,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10594 to 10592. [2024-11-23 23:50:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10592 states, 10591 states have (on average 1.3055424416957795) internal successors, (13827), 10591 states have internal predecessors, (13827), 0 states have call successors, (0), 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 23:50:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10592 states to 10592 states and 13827 transitions. [2024-11-23 23:50:36,734 INFO L78 Accepts]: Start accepts. Automaton has 10592 states and 13827 transitions. Word has length 105 [2024-11-23 23:50:36,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:36,734 INFO L471 AbstractCegarLoop]: Abstraction has 10592 states and 13827 transitions. [2024-11-23 23:50:36,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 23:50:36,734 INFO L276 IsEmpty]: Start isEmpty. Operand 10592 states and 13827 transitions. [2024-11-23 23:50:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-23 23:50:36,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:36,737 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:36,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-23 23:50:36,738 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:36,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:36,738 INFO L85 PathProgramCache]: Analyzing trace with hash 869036994, now seen corresponding path program 1 times [2024-11-23 23:50:36,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:36,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99423491] [2024-11-23 23:50:36,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:36,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:37,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:37,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99423491] [2024-11-23 23:50:37,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99423491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:37,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999709722] [2024-11-23 23:50:37,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:37,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:37,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:37,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:37,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:50:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:37,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 23:50:37,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:38,969 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:50:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:42,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999709722] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:50:42,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:50:42,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-11-23 23:50:42,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635793690] [2024-11-23 23:50:42,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:50:42,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-23 23:50:42,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:42,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-23 23:50:42,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:50:42,043 INFO L87 Difference]: Start difference. First operand 10592 states and 13827 transitions. Second operand has 23 states, 23 states have (on average 12.434782608695652) internal successors, (286), 22 states have internal predecessors, (286), 0 states have call successors, (0), 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 23:50:43,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:43,683 INFO L93 Difference]: Finished difference Result 45675 states and 60354 transitions. [2024-11-23 23:50:43,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-23 23:50:43,683 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 12.434782608695652) internal successors, (286), 22 states have internal predecessors, (286), 0 states have call successors, (0), 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 132 [2024-11-23 23:50:43,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:43,729 INFO L225 Difference]: With dead ends: 45675 [2024-11-23 23:50:43,730 INFO L226 Difference]: Without dead ends: 35161 [2024-11-23 23:50:43,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=425, Invalid=1831, Unknown=0, NotChecked=0, Total=2256 [2024-11-23 23:50:43,744 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 1384 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:43,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 1793 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:50:43,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35161 states. [2024-11-23 23:50:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35161 to 25789. [2024-11-23 23:50:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25789 states, 25788 states have (on average 1.3035132619823173) internal successors, (33615), 25788 states have internal predecessors, (33615), 0 states have call successors, (0), 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 23:50:44,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25789 states to 25789 states and 33615 transitions. [2024-11-23 23:50:44,385 INFO L78 Accepts]: Start accepts. Automaton has 25789 states and 33615 transitions. Word has length 132 [2024-11-23 23:50:44,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:44,385 INFO L471 AbstractCegarLoop]: Abstraction has 25789 states and 33615 transitions. [2024-11-23 23:50:44,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.434782608695652) internal successors, (286), 22 states have internal predecessors, (286), 0 states have call successors, (0), 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 23:50:44,386 INFO L276 IsEmpty]: Start isEmpty. Operand 25789 states and 33615 transitions. [2024-11-23 23:50:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:50:44,400 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:44,401 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:44,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:50:44,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-23 23:50:44,602 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:44,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:44,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1613142068, now seen corresponding path program 1 times [2024-11-23 23:50:44,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:44,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793998671] [2024-11-23 23:50:44,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:45,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:45,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793998671] [2024-11-23 23:50:45,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793998671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:45,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989988902] [2024-11-23 23:50:45,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:45,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:45,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:45,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:45,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:50:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:45,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 23:50:45,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:46,752 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:50:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:48,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989988902] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:50:48,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:50:48,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-11-23 23:50:48,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896200334] [2024-11-23 23:50:48,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:50:48,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-23 23:50:48,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:48,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-23 23:50:48,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=695, Unknown=0, NotChecked=0, Total=812 [2024-11-23 23:50:48,678 INFO L87 Difference]: Start difference. First operand 25789 states and 33615 transitions. Second operand has 29 states, 29 states have (on average 11.89655172413793) internal successors, (345), 28 states have internal predecessors, (345), 0 states have call successors, (0), 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 23:50:50,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:50,160 INFO L93 Difference]: Finished difference Result 100201 states and 131551 transitions. [2024-11-23 23:50:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 23:50:50,161 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 11.89655172413793) internal successors, (345), 28 states have internal predecessors, (345), 0 states have call successors, (0), 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 133 [2024-11-23 23:50:50,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:50,306 INFO L225 Difference]: With dead ends: 100201 [2024-11-23 23:50:50,306 INFO L226 Difference]: Without dead ends: 74519 [2024-11-23 23:50:50,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=553, Invalid=1897, Unknown=0, NotChecked=0, Total=2450 [2024-11-23 23:50:50,367 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 1757 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:50,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 1427 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:50:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74519 states. [2024-11-23 23:50:51,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74519 to 61258. [2024-11-23 23:50:51,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61258 states, 61257 states have (on average 1.302953131886968) internal successors, (79815), 61257 states have internal predecessors, (79815), 0 states have call successors, (0), 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 23:50:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61258 states to 61258 states and 79815 transitions. [2024-11-23 23:50:51,681 INFO L78 Accepts]: Start accepts. Automaton has 61258 states and 79815 transitions. Word has length 133 [2024-11-23 23:50:51,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:51,683 INFO L471 AbstractCegarLoop]: Abstraction has 61258 states and 79815 transitions. [2024-11-23 23:50:51,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 11.89655172413793) internal successors, (345), 28 states have internal predecessors, (345), 0 states have call successors, (0), 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 23:50:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 61258 states and 79815 transitions. [2024-11-23 23:50:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:50:51,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:51,700 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, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:51,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:50:51,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-23 23:50:51,902 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:50:51,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:51,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1347457011, now seen corresponding path program 1 times [2024-11-23 23:50:51,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:51,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951562817] [2024-11-23 23:50:51,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:51,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:53,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:53,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951562817] [2024-11-23 23:50:53,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951562817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:53,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443640321] [2024-11-23 23:50:53,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:53,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:53,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:53,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:53,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:50:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:53,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-23 23:50:53,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:50:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:58,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:51:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:51:08,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443640321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:51:08,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:51:08,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22, 22] total 55 [2024-11-23 23:51:08,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875585242] [2024-11-23 23:51:08,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:51:08,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-23 23:51:08,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:08,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-23 23:51:08,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=2758, Unknown=1, NotChecked=0, Total=2970 [2024-11-23 23:51:08,009 INFO L87 Difference]: Start difference. First operand 61258 states and 79815 transitions. Second operand has 55 states, 55 states have (on average 6.618181818181818) internal successors, (364), 55 states have internal predecessors, (364), 0 states have call successors, (0), 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 23:54:18,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:54:18,459 INFO L93 Difference]: Finished difference Result 824097 states and 1089958 transitions. [2024-11-23 23:54:18,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 649 states. [2024-11-23 23:54:18,460 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 6.618181818181818) internal successors, (364), 55 states have internal predecessors, (364), 0 states have call successors, (0), 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 133 [2024-11-23 23:54:18,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:54:20,517 INFO L225 Difference]: With dead ends: 824097 [2024-11-23 23:54:20,517 INFO L226 Difference]: Without dead ends: 762976 [2024-11-23 23:54:20,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 925 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 700 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220558 ImplicationChecksByTransitivity, 176.2s TimeCoverageRelationStatistics Valid=36368, Invalid=455733, Unknown=1, NotChecked=0, Total=492102 [2024-11-23 23:54:20,843 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 30891 mSDsluCounter, 9544 mSDsCounter, 0 mSdLazyCounter, 12057 mSolverCounterSat, 620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30891 SdHoareTripleChecker+Valid, 9907 SdHoareTripleChecker+Invalid, 12677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 620 IncrementalHoareTripleChecker+Valid, 12057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:54:20,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30891 Valid, 9907 Invalid, 12677 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [620 Valid, 12057 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2024-11-23 23:54:21,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762976 states. [2024-11-23 23:54:27,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762976 to 343631. [2024-11-23 23:54:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343631 states, 343630 states have (on average 1.308357826732241) internal successors, (449591), 343630 states have internal predecessors, (449591), 0 states have call successors, (0), 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 23:54:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343631 states to 343631 states and 449591 transitions. [2024-11-23 23:54:29,184 INFO L78 Accepts]: Start accepts. Automaton has 343631 states and 449591 transitions. Word has length 133 [2024-11-23 23:54:29,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:54:29,184 INFO L471 AbstractCegarLoop]: Abstraction has 343631 states and 449591 transitions. [2024-11-23 23:54:29,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.618181818181818) internal successors, (364), 55 states have internal predecessors, (364), 0 states have call successors, (0), 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 23:54:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand 343631 states and 449591 transitions. [2024-11-23 23:54:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-23 23:54:29,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:54:29,245 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:29,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:54:29,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-23 23:54:29,446 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-23 23:54:29,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:29,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1315306307, now seen corresponding path program 1 times [2024-11-23 23:54:29,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:29,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988731323] [2024-11-23 23:54:29,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:29,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:30,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:30,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988731323] [2024-11-23 23:54:30,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988731323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:54:30,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502816448] [2024-11-23 23:54:30,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:30,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:54:30,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:54:30,198 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:54:30,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a54521-38ef-4d42-84fd-3811f1056670/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:54:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:30,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-23 23:54:30,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:54:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:32,484 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:54:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:35,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502816448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:54:35,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:54:35,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 17] total 47 [2024-11-23 23:54:35,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713521977] [2024-11-23 23:54:35,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:54:35,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-23 23:54:35,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:35,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-23 23:54:35,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2029, Unknown=0, NotChecked=0, Total=2162 [2024-11-23 23:54:35,805 INFO L87 Difference]: Start difference. First operand 343631 states and 449591 transitions. Second operand has 47 states, 47 states have (on average 7.914893617021277) internal successors, (372), 47 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)