./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/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 f8647b87d9679ff1ae7ce0cdb1a68cb57cbc5ac468f0ecd53079584cb92d51fd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:18:24,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:18:24,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:18:24,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:18:24,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:18:25,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:18:25,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:18:25,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:18:25,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:18:25,017 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:18:25,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:18:25,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:18:25,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:18:25,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:18:25,018 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:18:25,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:18:25,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:18:25,018 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:18:25,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:18:25,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:18:25,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:18:25,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:18:25,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:18:25,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:18:25,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:18:25,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:18:25,020 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:18:25,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:18:25,020 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:18:25,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:18:25,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:18:25,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:18:25,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:25,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:18:25,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:18:25,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:18:25,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:18:25,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:25,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:18:25,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:18:25,022 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:18:25,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:18:25,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:18:25,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:18:25,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:18:25,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:18:25,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:18:25,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:18:25,024 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/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 -> f8647b87d9679ff1ae7ce0cdb1a68cb57cbc5ac468f0ecd53079584cb92d51fd [2024-11-24 01:18:25,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:18:25,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:18:25,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:18:25,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:18:25,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:18:25,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-24 01:18:28,377 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/data/da0adc586/75cb1693191b41d9ab3eeb295e3f8606/FLAGb77154e7c [2024-11-24 01:18:28,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:18:28,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-24 01:18:28,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/data/da0adc586/75cb1693191b41d9ab3eeb295e3f8606/FLAGb77154e7c [2024-11-24 01:18:28,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/data/da0adc586/75cb1693191b41d9ab3eeb295e3f8606 [2024-11-24 01:18:28,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:18:28,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:18:28,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:18:28,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:18:28,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:18:28,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:28" (1/1) ... [2024-11-24 01:18:28,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257bc4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:28, skipping insertion in model container [2024-11-24 01:18:28,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:18:28" (1/1) ... [2024-11-24 01:18:28,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:18:29,213 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[6197,6210] [2024-11-24 01:18:29,242 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[9182,9195] [2024-11-24 01:18:29,265 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12241,12254] [2024-11-24 01:18:29,282 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[15128,15141] [2024-11-24 01:18:29,302 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[18343,18356] [2024-11-24 01:18:29,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[21435,21448] [2024-11-24 01:18:29,338 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[24486,24499] [2024-11-24 01:18:29,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:18:29,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:18:29,465 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[6197,6210] [2024-11-24 01:18:29,483 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[9182,9195] [2024-11-24 01:18:29,496 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12241,12254] [2024-11-24 01:18:29,507 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[15128,15141] [2024-11-24 01:18:29,520 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[18343,18356] [2024-11-24 01:18:29,538 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[21435,21448] [2024-11-24 01:18:29,556 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_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[24486,24499] [2024-11-24 01:18:29,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:18:29,612 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:18:29,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29 WrapperNode [2024-11-24 01:18:29,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:18:29,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:18:29,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:18:29,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:18:29,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,720 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1430 [2024-11-24 01:18:29,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:18:29,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:18:29,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:18:29,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:18:29,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,745 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,769 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]. [2024-11-24 01:18:29,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:18:29,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:18:29,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:18:29,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:18:29,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (1/1) ... [2024-11-24 01:18:29,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:18:29,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:18:29,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:18:29,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:18:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:18:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:18:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:18:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:18:30,185 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:18:30,186 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:18:31,781 INFO L? ?]: Removed 266 outVars from TransFormulas that were not future-live. [2024-11-24 01:18:31,782 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:18:31,815 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:18:31,815 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:18:31,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:31 BoogieIcfgContainer [2024-11-24 01:18:31,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:18:31,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:18:31,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:18:31,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:18:31,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:18:28" (1/3) ... [2024-11-24 01:18:31,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dfbe71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:18:31, skipping insertion in model container [2024-11-24 01:18:31,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:18:29" (2/3) ... [2024-11-24 01:18:31,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dfbe71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:18:31, skipping insertion in model container [2024-11-24 01:18:31,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:18:31" (3/3) ... [2024-11-24 01:18:31,829 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-24 01:18:31,847 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:18:31,850 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c that has 1 procedures, 279 locations, 1 initial locations, 0 loop locations, and 7 error locations. [2024-11-24 01:18:31,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:18:31,961 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;@37f4a0ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:18:31,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-24 01:18:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 279 states, 271 states have (on average 1.7933579335793357) internal successors, (486), 278 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-24 01:18:31,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:31,988 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] [2024-11-24 01:18:31,991 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:32,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:32,000 INFO L85 PathProgramCache]: Analyzing trace with hash -506083603, now seen corresponding path program 1 times [2024-11-24 01:18:32,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:32,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727511530] [2024-11-24 01:18:32,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:32,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:32,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:32,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727511530] [2024-11-24 01:18:32,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727511530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:32,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:32,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:32,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404849493] [2024-11-24 01:18:32,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:32,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:18:32,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:32,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:18:32,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:32,811 INFO L87 Difference]: Start difference. First operand has 279 states, 271 states have (on average 1.7933579335793357) internal successors, (486), 278 states have internal predecessors, (486), 0 states have call successors, (0), 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 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:33,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:33,340 INFO L93 Difference]: Finished difference Result 392 states and 660 transitions. [2024-11-24 01:18:33,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:18:33,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-24 01:18:33,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:33,354 INFO L225 Difference]: With dead ends: 392 [2024-11-24 01:18:33,354 INFO L226 Difference]: Without dead ends: 244 [2024-11-24 01:18:33,358 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 [2024-11-24 01:18:33,361 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 1152 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:33,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 300 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:18:33,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-24 01:18:33,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-24 01:18:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 237 states have (on average 1.2658227848101267) internal successors, (300), 243 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 300 transitions. [2024-11-24 01:18:33,419 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 300 transitions. Word has length 48 [2024-11-24 01:18:33,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:33,419 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 300 transitions. [2024-11-24 01:18:33,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 300 transitions. [2024-11-24 01:18:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-24 01:18:33,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:33,425 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] [2024-11-24 01:18:33,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:18:33,426 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:33,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:33,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1206513712, now seen corresponding path program 1 times [2024-11-24 01:18:33,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:33,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273668649] [2024-11-24 01:18:33,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:33,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:33,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:33,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273668649] [2024-11-24 01:18:33,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273668649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:33,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:33,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:33,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609547544] [2024-11-24 01:18:33,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:33,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:18:33,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:33,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:18:33,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:33,714 INFO L87 Difference]: Start difference. First operand 244 states and 300 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:33,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:33,972 INFO L93 Difference]: Finished difference Result 312 states and 387 transitions. [2024-11-24 01:18:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:18:33,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-24 01:18:33,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:33,976 INFO L225 Difference]: With dead ends: 312 [2024-11-24 01:18:33,978 INFO L226 Difference]: Without dead ends: 186 [2024-11-24 01:18:33,979 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 [2024-11-24 01:18:33,980 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 638 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:33,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 144 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:18:33,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-24 01:18:33,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2024-11-24 01:18:33,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 179 states have (on average 1.2681564245810055) internal successors, (227), 185 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 227 transitions. [2024-11-24 01:18:34,000 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 227 transitions. Word has length 48 [2024-11-24 01:18:34,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:34,000 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 227 transitions. [2024-11-24 01:18:34,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:34,000 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 227 transitions. [2024-11-24 01:18:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-24 01:18:34,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:34,005 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] [2024-11-24 01:18:34,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:18:34,005 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:34,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:34,006 INFO L85 PathProgramCache]: Analyzing trace with hash 731649800, now seen corresponding path program 1 times [2024-11-24 01:18:34,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:34,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623637075] [2024-11-24 01:18:34,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:34,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:34,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:34,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623637075] [2024-11-24 01:18:34,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623637075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:34,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:34,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:18:34,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770039172] [2024-11-24 01:18:34,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:34,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:18:34,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:34,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:18:34,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:34,236 INFO L87 Difference]: Start difference. First operand 186 states and 227 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:34,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:34,433 INFO L93 Difference]: Finished difference Result 266 states and 332 transitions. [2024-11-24 01:18:34,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:18:34,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-24 01:18:34,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:34,435 INFO L225 Difference]: With dead ends: 266 [2024-11-24 01:18:34,437 INFO L226 Difference]: Without dead ends: 163 [2024-11-24 01:18:34,438 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 [2024-11-24 01:18:34,439 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 566 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:34,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 127 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:18:34,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-24 01:18:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-24 01:18:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 156 states have (on average 1.2756410256410255) internal successors, (199), 162 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2024-11-24 01:18:34,456 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 48 [2024-11-24 01:18:34,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:34,456 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2024-11-24 01:18:34,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2024-11-24 01:18:34,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:18:34,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:34,461 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] [2024-11-24 01:18:34,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:18:34,462 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:34,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:34,463 INFO L85 PathProgramCache]: Analyzing trace with hash 613838546, now seen corresponding path program 1 times [2024-11-24 01:18:34,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:34,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902917249] [2024-11-24 01:18:34,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:34,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:35,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:35,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902917249] [2024-11-24 01:18:35,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902917249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:35,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:35,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:18:35,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73354336] [2024-11-24 01:18:35,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:35,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:18:35,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:35,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:18:35,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:18:35,051 INFO L87 Difference]: Start difference. First operand 163 states and 199 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:35,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:35,498 INFO L93 Difference]: Finished difference Result 326 states and 405 transitions. [2024-11-24 01:18:35,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:18:35,498 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-24 01:18:35,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:35,500 INFO L225 Difference]: With dead ends: 326 [2024-11-24 01:18:35,501 INFO L226 Difference]: Without dead ends: 239 [2024-11-24 01:18:35,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:18:35,503 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 458 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:35,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 403 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:18:35,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-24 01:18:35,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 163. [2024-11-24 01:18:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 156 states have (on average 1.2692307692307692) internal successors, (198), 162 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 198 transitions. [2024-11-24 01:18:35,514 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 198 transitions. Word has length 50 [2024-11-24 01:18:35,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:35,515 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 198 transitions. [2024-11-24 01:18:35,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:35,515 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2024-11-24 01:18:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:18:35,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:35,516 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] [2024-11-24 01:18:35,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:18:35,517 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:35,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:35,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1717096174, now seen corresponding path program 1 times [2024-11-24 01:18:35,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:35,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452160653] [2024-11-24 01:18:35,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:36,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:36,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452160653] [2024-11-24 01:18:36,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452160653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:36,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:36,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:18:36,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326272024] [2024-11-24 01:18:36,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:36,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:18:36,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:36,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:18:36,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:18:36,111 INFO L87 Difference]: Start difference. First operand 163 states and 198 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:36,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:36,676 INFO L93 Difference]: Finished difference Result 255 states and 313 transitions. [2024-11-24 01:18:36,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:18:36,677 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-24 01:18:36,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:36,678 INFO L225 Difference]: With dead ends: 255 [2024-11-24 01:18:36,679 INFO L226 Difference]: Without dead ends: 249 [2024-11-24 01:18:36,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:18:36,680 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1124 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:36,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 504 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:18:36,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-24 01:18:36,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 163. [2024-11-24 01:18:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 156 states have (on average 1.2628205128205128) internal successors, (197), 162 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 197 transitions. [2024-11-24 01:18:36,688 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 197 transitions. Word has length 50 [2024-11-24 01:18:36,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:36,688 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 197 transitions. [2024-11-24 01:18:36,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:36,689 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 197 transitions. [2024-11-24 01:18:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 01:18:36,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:36,690 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] [2024-11-24 01:18:36,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:18:36,690 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:36,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:36,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1648014290, now seen corresponding path program 1 times [2024-11-24 01:18:36,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:36,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361264259] [2024-11-24 01:18:36,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:36,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:37,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:37,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:37,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361264259] [2024-11-24 01:18:37,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361264259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:37,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:37,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:18:37,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134237126] [2024-11-24 01:18:37,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:37,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:18:37,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:37,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:18:37,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:18:37,181 INFO L87 Difference]: Start difference. First operand 163 states and 197 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:37,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:37,830 INFO L93 Difference]: Finished difference Result 315 states and 397 transitions. [2024-11-24 01:18:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:18:37,831 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-24 01:18:37,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:37,832 INFO L225 Difference]: With dead ends: 315 [2024-11-24 01:18:37,832 INFO L226 Difference]: Without dead ends: 253 [2024-11-24 01:18:37,833 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 [2024-11-24 01:18:37,833 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 853 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:37,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 795 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:18:37,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-24 01:18:37,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 163. [2024-11-24 01:18:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 156 states have (on average 1.2564102564102564) internal successors, (196), 162 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2024-11-24 01:18:37,841 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 50 [2024-11-24 01:18:37,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:37,841 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2024-11-24 01:18:37,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2024-11-24 01:18:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-24 01:18:37,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:37,843 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] [2024-11-24 01:18:37,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:18:37,843 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:37,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:37,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1708755507, now seen corresponding path program 1 times [2024-11-24 01:18:37,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:37,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171297010] [2024-11-24 01:18:37,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:37,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:38,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:38,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171297010] [2024-11-24 01:18:38,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171297010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:38,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:38,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 01:18:38,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211765387] [2024-11-24 01:18:38,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:38,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 01:18:38,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:38,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 01:18:38,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:18:38,750 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:39,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:39,592 INFO L93 Difference]: Finished difference Result 294 states and 373 transitions. [2024-11-24 01:18:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:18:39,595 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-24 01:18:39,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:39,596 INFO L225 Difference]: With dead ends: 294 [2024-11-24 01:18:39,597 INFO L226 Difference]: Without dead ends: 239 [2024-11-24 01:18:39,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-24 01:18:39,599 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 819 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:39,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1200 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:18:39,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-24 01:18:39,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 151. [2024-11-24 01:18:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 145 states have (on average 1.2551724137931035) internal successors, (182), 150 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 182 transitions. [2024-11-24 01:18:39,608 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 182 transitions. Word has length 51 [2024-11-24 01:18:39,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:39,609 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 182 transitions. [2024-11-24 01:18:39,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2024-11-24 01:18:39,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-24 01:18:39,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:39,610 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] [2024-11-24 01:18:39,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:18:39,610 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:39,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:39,610 INFO L85 PathProgramCache]: Analyzing trace with hash 871420535, now seen corresponding path program 1 times [2024-11-24 01:18:39,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:39,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74894257] [2024-11-24 01:18:39,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:39,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:40,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:40,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74894257] [2024-11-24 01:18:40,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74894257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:40,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:40,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 01:18:40,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293589491] [2024-11-24 01:18:40,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:40,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 01:18:40,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:40,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 01:18:40,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:18:40,363 INFO L87 Difference]: Start difference. First operand 151 states and 182 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:41,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:41,279 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2024-11-24 01:18:41,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:18:41,280 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2024-11-24 01:18:41,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:41,282 INFO L225 Difference]: With dead ends: 235 [2024-11-24 01:18:41,282 INFO L226 Difference]: Without dead ends: 231 [2024-11-24 01:18:41,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-24 01:18:41,283 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 718 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:41,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 1229 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:18:41,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-24 01:18:41,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 147. [2024-11-24 01:18:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 142 states have (on average 1.2535211267605635) internal successors, (178), 146 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 178 transitions. [2024-11-24 01:18:41,289 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 178 transitions. Word has length 52 [2024-11-24 01:18:41,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:41,290 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 178 transitions. [2024-11-24 01:18:41,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 178 transitions. [2024-11-24 01:18:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-24 01:18:41,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:41,291 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] [2024-11-24 01:18:41,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:18:41,291 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:41,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:41,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1375412663, now seen corresponding path program 1 times [2024-11-24 01:18:41,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:41,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081928652] [2024-11-24 01:18:41,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:41,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:42,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:42,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081928652] [2024-11-24 01:18:42,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081928652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:42,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:42,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-24 01:18:42,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887753580] [2024-11-24 01:18:42,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:42,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 01:18:42,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:42,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 01:18:42,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:18:42,616 INFO L87 Difference]: Start difference. First operand 147 states and 178 transitions. Second operand has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:44,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:44,786 INFO L93 Difference]: Finished difference Result 427 states and 546 transitions. [2024-11-24 01:18:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-24 01:18:44,787 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2024-11-24 01:18:44,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:44,789 INFO L225 Difference]: With dead ends: 427 [2024-11-24 01:18:44,791 INFO L226 Difference]: Without dead ends: 380 [2024-11-24 01:18:44,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=231, Invalid=891, Unknown=0, NotChecked=0, Total=1122 [2024-11-24 01:18:44,793 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 1782 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:44,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1782 Valid, 2339 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 01:18:44,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-24 01:18:44,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 154. [2024-11-24 01:18:44,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 149 states have (on average 1.25503355704698) internal successors, (187), 153 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:44,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 187 transitions. [2024-11-24 01:18:44,805 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 187 transitions. Word has length 52 [2024-11-24 01:18:44,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:44,806 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 187 transitions. [2024-11-24 01:18:44,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 187 transitions. [2024-11-24 01:18:44,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-24 01:18:44,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:44,807 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] [2024-11-24 01:18:44,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:18:44,807 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:44,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:44,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1993375358, now seen corresponding path program 1 times [2024-11-24 01:18:44,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:44,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915023380] [2024-11-24 01:18:44,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:44,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:45,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:45,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915023380] [2024-11-24 01:18:45,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915023380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:45,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:45,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-24 01:18:45,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095371717] [2024-11-24 01:18:45,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:45,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 01:18:45,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:45,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 01:18:45,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:18:45,810 INFO L87 Difference]: Start difference. First operand 154 states and 187 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:47,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:47,307 INFO L93 Difference]: Finished difference Result 418 states and 540 transitions. [2024-11-24 01:18:47,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-24 01:18:47,307 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-24 01:18:47,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:47,309 INFO L225 Difference]: With dead ends: 418 [2024-11-24 01:18:47,309 INFO L226 Difference]: Without dead ends: 371 [2024-11-24 01:18:47,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756 [2024-11-24 01:18:47,311 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 1214 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:47,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 2104 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:18:47,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-24 01:18:47,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 143. [2024-11-24 01:18:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 139 states have (on average 1.2446043165467626) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 173 transitions. [2024-11-24 01:18:47,321 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 173 transitions. Word has length 53 [2024-11-24 01:18:47,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:47,322 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 173 transitions. [2024-11-24 01:18:47,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 173 transitions. [2024-11-24 01:18:47,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-24 01:18:47,323 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:47,323 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] [2024-11-24 01:18:47,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:18:47,324 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:47,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:47,324 INFO L85 PathProgramCache]: Analyzing trace with hash -895336457, now seen corresponding path program 1 times [2024-11-24 01:18:47,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:47,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934156563] [2024-11-24 01:18:47,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:47,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:47,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:47,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934156563] [2024-11-24 01:18:47,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934156563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:47,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:47,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:18:47,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621922329] [2024-11-24 01:18:47,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:47,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:18:47,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:47,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:18:47,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:18:47,655 INFO L87 Difference]: Start difference. First operand 143 states and 173 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:48,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:48,145 INFO L93 Difference]: Finished difference Result 233 states and 285 transitions. [2024-11-24 01:18:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:18:48,145 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2024-11-24 01:18:48,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:48,147 INFO L225 Difference]: With dead ends: 233 [2024-11-24 01:18:48,147 INFO L226 Difference]: Without dead ends: 225 [2024-11-24 01:18:48,147 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 [2024-11-24 01:18:48,148 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 955 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:48,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 479 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:18:48,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-24 01:18:48,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 143. [2024-11-24 01:18:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 139 states have (on average 1.2374100719424461) internal successors, (172), 142 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:48,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 172 transitions. [2024-11-24 01:18:48,160 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 172 transitions. Word has length 54 [2024-11-24 01:18:48,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:48,160 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 172 transitions. [2024-11-24 01:18:48,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 172 transitions. [2024-11-24 01:18:48,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-24 01:18:48,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:48,161 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] [2024-11-24 01:18:48,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:18:48,161 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:48,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:48,162 INFO L85 PathProgramCache]: Analyzing trace with hash 4832631, now seen corresponding path program 1 times [2024-11-24 01:18:48,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:48,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718930657] [2024-11-24 01:18:48,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:48,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:48,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:48,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718930657] [2024-11-24 01:18:48,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718930657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:48,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:48,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:18:48,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513651269] [2024-11-24 01:18:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:48,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:18:48,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:48,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:18:48,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:18:48,458 INFO L87 Difference]: Start difference. First operand 143 states and 172 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:49,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:49,022 INFO L93 Difference]: Finished difference Result 292 states and 368 transitions. [2024-11-24 01:18:49,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:18:49,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2024-11-24 01:18:49,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:49,023 INFO L225 Difference]: With dead ends: 292 [2024-11-24 01:18:49,023 INFO L226 Difference]: Without dead ends: 229 [2024-11-24 01:18:49,024 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 [2024-11-24 01:18:49,024 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 353 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:49,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 700 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:18:49,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-24 01:18:49,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 143. [2024-11-24 01:18:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 139 states have (on average 1.2302158273381294) internal successors, (171), 142 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2024-11-24 01:18:49,030 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 54 [2024-11-24 01:18:49,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:49,030 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2024-11-24 01:18:49,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:49,031 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2024-11-24 01:18:49,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-24 01:18:49,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:49,031 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] [2024-11-24 01:18:49,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:18:49,031 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:49,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:49,032 INFO L85 PathProgramCache]: Analyzing trace with hash -924533993, now seen corresponding path program 1 times [2024-11-24 01:18:49,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:49,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366524577] [2024-11-24 01:18:49,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:49,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:49,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:49,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366524577] [2024-11-24 01:18:49,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366524577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:49,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:49,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:18:49,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892252978] [2024-11-24 01:18:49,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:49,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:18:49,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:49,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:18:49,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:18:49,305 INFO L87 Difference]: Start difference. First operand 143 states and 171 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:49,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:49,846 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2024-11-24 01:18:49,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:18:49,847 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2024-11-24 01:18:49,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:49,849 INFO L225 Difference]: With dead ends: 233 [2024-11-24 01:18:49,849 INFO L226 Difference]: Without dead ends: 225 [2024-11-24 01:18:49,849 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 [2024-11-24 01:18:49,850 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 662 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:49,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 673 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:18:49,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-24 01:18:49,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 143. [2024-11-24 01:18:49,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 139 states have (on average 1.223021582733813) internal successors, (170), 142 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 170 transitions. [2024-11-24 01:18:49,862 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 170 transitions. Word has length 54 [2024-11-24 01:18:49,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:49,863 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 170 transitions. [2024-11-24 01:18:49,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:49,863 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2024-11-24 01:18:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-24 01:18:49,863 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:49,863 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] [2024-11-24 01:18:49,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:18:49,864 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:49,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:49,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1614885916, now seen corresponding path program 1 times [2024-11-24 01:18:49,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:49,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457547392] [2024-11-24 01:18:49,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:49,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:50,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:50,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457547392] [2024-11-24 01:18:50,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457547392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:50,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:50,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 01:18:50,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626289390] [2024-11-24 01:18:50,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:50,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 01:18:50,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:50,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 01:18:50,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:18:50,498 INFO L87 Difference]: Start difference. First operand 143 states and 170 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:51,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:51,373 INFO L93 Difference]: Finished difference Result 217 states and 267 transitions. [2024-11-24 01:18:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:18:51,374 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2024-11-24 01:18:51,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:51,375 INFO L225 Difference]: With dead ends: 217 [2024-11-24 01:18:51,376 INFO L226 Difference]: Without dead ends: 211 [2024-11-24 01:18:51,376 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 [2024-11-24 01:18:51,377 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 616 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:51,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 1153 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:18:51,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-24 01:18:51,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 137. [2024-11-24 01:18:51,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.2238805970149254) internal successors, (164), 136 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 164 transitions. [2024-11-24 01:18:51,388 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 164 transitions. Word has length 56 [2024-11-24 01:18:51,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:51,388 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 164 transitions. [2024-11-24 01:18:51,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 164 transitions. [2024-11-24 01:18:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-24 01:18:51,389 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:51,389 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] [2024-11-24 01:18:51,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:18:51,389 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:51,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:51,390 INFO L85 PathProgramCache]: Analyzing trace with hash 897405148, now seen corresponding path program 1 times [2024-11-24 01:18:51,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:51,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96544646] [2024-11-24 01:18:51,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:51,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:52,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:52,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96544646] [2024-11-24 01:18:52,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96544646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:52,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:52,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 01:18:52,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745110768] [2024-11-24 01:18:52,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:52,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 01:18:52,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:52,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 01:18:52,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:18:52,418 INFO L87 Difference]: Start difference. First operand 137 states and 164 transitions. Second operand has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 18 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:54,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:54,457 INFO L93 Difference]: Finished difference Result 367 states and 457 transitions. [2024-11-24 01:18:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-24 01:18:54,458 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 18 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2024-11-24 01:18:54,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:54,460 INFO L225 Difference]: With dead ends: 367 [2024-11-24 01:18:54,460 INFO L226 Difference]: Without dead ends: 358 [2024-11-24 01:18:54,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=911, Unknown=0, NotChecked=0, Total=1122 [2024-11-24 01:18:54,462 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 934 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 1299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:54,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 2916 Invalid, 1299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:18:54,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-24 01:18:54,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 147. [2024-11-24 01:18:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 144 states have (on average 1.2222222222222223) internal successors, (176), 146 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:54,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 176 transitions. [2024-11-24 01:18:54,469 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 176 transitions. Word has length 56 [2024-11-24 01:18:54,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:54,470 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 176 transitions. [2024-11-24 01:18:54,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.111111111111111) internal successors, (56), 18 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:54,470 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 176 transitions. [2024-11-24 01:18:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-24 01:18:54,471 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:54,471 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] [2024-11-24 01:18:54,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:18:54,471 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:54,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:54,472 INFO L85 PathProgramCache]: Analyzing trace with hash -712982628, now seen corresponding path program 1 times [2024-11-24 01:18:54,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:54,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749183339] [2024-11-24 01:18:54,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:54,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:55,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:55,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749183339] [2024-11-24 01:18:55,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749183339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:55,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:55,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:18:55,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574259468] [2024-11-24 01:18:55,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:55,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:18:55,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:55,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:18:55,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:18:55,031 INFO L87 Difference]: Start difference. First operand 147 states and 176 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:55,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:55,653 INFO L93 Difference]: Finished difference Result 326 states and 415 transitions. [2024-11-24 01:18:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:18:55,653 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2024-11-24 01:18:55,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:55,655 INFO L225 Difference]: With dead ends: 326 [2024-11-24 01:18:55,655 INFO L226 Difference]: Without dead ends: 306 [2024-11-24 01:18:55,656 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 [2024-11-24 01:18:55,656 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 810 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:55,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 961 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:18:55,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-24 01:18:55,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 127. [2024-11-24 01:18:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 125 states have (on average 1.232) internal successors, (154), 126 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:55,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2024-11-24 01:18:55,671 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 56 [2024-11-24 01:18:55,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:55,671 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2024-11-24 01:18:55,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2024-11-24 01:18:55,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-24 01:18:55,672 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:55,672 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] [2024-11-24 01:18:55,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:18:55,672 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:55,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:55,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1985133879, now seen corresponding path program 1 times [2024-11-24 01:18:55,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:55,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848806416] [2024-11-24 01:18:55,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:56,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:56,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848806416] [2024-11-24 01:18:56,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848806416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:56,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:56,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 01:18:56,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771749290] [2024-11-24 01:18:56,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:56,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 01:18:56,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:56,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 01:18:56,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:18:56,267 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:56,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:56,982 INFO L93 Difference]: Finished difference Result 185 states and 234 transitions. [2024-11-24 01:18:56,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:18:56,983 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2024-11-24 01:18:56,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:56,984 INFO L225 Difference]: With dead ends: 185 [2024-11-24 01:18:56,985 INFO L226 Difference]: Without dead ends: 169 [2024-11-24 01:18:56,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:18:56,987 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 456 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:56,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1139 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:18:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-24 01:18:56,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 104. [2024-11-24 01:18:56,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.2427184466019416) internal successors, (128), 103 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 128 transitions. [2024-11-24 01:18:56,995 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 128 transitions. Word has length 57 [2024-11-24 01:18:56,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:56,995 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 128 transitions. [2024-11-24 01:18:56,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2024-11-24 01:18:56,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-24 01:18:56,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:56,996 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] [2024-11-24 01:18:56,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:18:56,997 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:56,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:56,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1117882514, now seen corresponding path program 1 times [2024-11-24 01:18:56,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:56,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933530198] [2024-11-24 01:18:56,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:56,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:57,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933530198] [2024-11-24 01:18:57,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933530198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:57,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:57,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:18:57,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593107505] [2024-11-24 01:18:57,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:57,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:18:57,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:57,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:18:57,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:57,114 INFO L87 Difference]: Start difference. First operand 104 states and 128 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:57,214 INFO L93 Difference]: Finished difference Result 362 states and 506 transitions. [2024-11-24 01:18:57,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:18:57,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-24 01:18:57,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:57,216 INFO L225 Difference]: With dead ends: 362 [2024-11-24 01:18:57,216 INFO L226 Difference]: Without dead ends: 319 [2024-11-24 01:18:57,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:18:57,219 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 526 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:57,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 457 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:18:57,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-24 01:18:57,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 145. [2024-11-24 01:18:57,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 144 states have (on average 1.3055555555555556) internal successors, (188), 144 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 188 transitions. [2024-11-24 01:18:57,227 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 188 transitions. Word has length 75 [2024-11-24 01:18:57,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:57,227 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 188 transitions. [2024-11-24 01:18:57,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,228 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 188 transitions. [2024-11-24 01:18:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-24 01:18:57,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:57,229 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] [2024-11-24 01:18:57,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 01:18:57,229 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:57,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:57,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1016465065, now seen corresponding path program 1 times [2024-11-24 01:18:57,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:57,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500094916] [2024-11-24 01:18:57,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:57,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:57,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:57,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500094916] [2024-11-24 01:18:57,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500094916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:57,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:57,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:18:57,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506704138] [2024-11-24 01:18:57,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:57,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:18:57,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:57,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:18:57,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:57,366 INFO L87 Difference]: Start difference. First operand 145 states and 188 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:57,444 INFO L93 Difference]: Finished difference Result 440 states and 618 transitions. [2024-11-24 01:18:57,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:18:57,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-24 01:18:57,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:57,446 INFO L225 Difference]: With dead ends: 440 [2024-11-24 01:18:57,446 INFO L226 Difference]: Without dead ends: 356 [2024-11-24 01:18:57,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:18:57,447 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 292 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:57,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 412 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:18:57,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-24 01:18:57,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 227. [2024-11-24 01:18:57,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.3672566371681416) internal successors, (309), 226 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 309 transitions. [2024-11-24 01:18:57,459 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 309 transitions. Word has length 77 [2024-11-24 01:18:57,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:57,460 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 309 transitions. [2024-11-24 01:18:57,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 309 transitions. [2024-11-24 01:18:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-24 01:18:57,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:57,461 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] [2024-11-24 01:18:57,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 01:18:57,461 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:57,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:57,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1101947074, now seen corresponding path program 1 times [2024-11-24 01:18:57,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:57,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406094140] [2024-11-24 01:18:57,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:57,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:57,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:57,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406094140] [2024-11-24 01:18:57,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406094140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:57,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:57,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:57,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303219117] [2024-11-24 01:18:57,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:57,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:57,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:57,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:57,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:57,521 INFO L87 Difference]: Start difference. First operand 227 states and 309 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:57,554 INFO L93 Difference]: Finished difference Result 533 states and 751 transitions. [2024-11-24 01:18:57,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:57,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-24 01:18:57,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:57,557 INFO L225 Difference]: With dead ends: 533 [2024-11-24 01:18:57,557 INFO L226 Difference]: Without dead ends: 367 [2024-11-24 01:18:57,557 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 [2024-11-24 01:18:57,558 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 50 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 287 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 [2024-11-24 01:18:57,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 287 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:57,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-24 01:18:57,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2024-11-24 01:18:57,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 364 states have (on average 1.3681318681318682) internal successors, (498), 364 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 498 transitions. [2024-11-24 01:18:57,569 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 498 transitions. Word has length 77 [2024-11-24 01:18:57,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:57,570 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 498 transitions. [2024-11-24 01:18:57,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 498 transitions. [2024-11-24 01:18:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-24 01:18:57,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:57,571 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] [2024-11-24 01:18:57,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 01:18:57,572 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:57,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:57,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1035453562, now seen corresponding path program 1 times [2024-11-24 01:18:57,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:57,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055387033] [2024-11-24 01:18:57,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:57,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:57,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:57,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055387033] [2024-11-24 01:18:57,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055387033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:57,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:57,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:57,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046473371] [2024-11-24 01:18:57,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:57,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:57,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:57,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:57,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:57,636 INFO L87 Difference]: Start difference. First operand 365 states and 498 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:57,671 INFO L93 Difference]: Finished difference Result 671 states and 932 transitions. [2024-11-24 01:18:57,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:57,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-24 01:18:57,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:57,674 INFO L225 Difference]: With dead ends: 671 [2024-11-24 01:18:57,674 INFO L226 Difference]: Without dead ends: 367 [2024-11-24 01:18:57,674 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 [2024-11-24 01:18:57,675 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 50 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:57,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 207 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:57,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-24 01:18:57,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2024-11-24 01:18:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 364 states have (on average 1.3626373626373627) internal successors, (496), 364 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 496 transitions. [2024-11-24 01:18:57,686 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 496 transitions. Word has length 77 [2024-11-24 01:18:57,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:57,686 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 496 transitions. [2024-11-24 01:18:57,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,687 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 496 transitions. [2024-11-24 01:18:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-24 01:18:57,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:57,688 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:57,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 01:18:57,688 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:57,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:57,688 INFO L85 PathProgramCache]: Analyzing trace with hash -401787049, now seen corresponding path program 1 times [2024-11-24 01:18:57,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:57,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110579657] [2024-11-24 01:18:57,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:57,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:57,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:57,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110579657] [2024-11-24 01:18:57,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110579657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:57,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:57,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:18:57,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559690121] [2024-11-24 01:18:57,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:57,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:18:57,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:57,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:18:57,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:57,807 INFO L87 Difference]: Start difference. First operand 365 states and 496 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:57,887 INFO L93 Difference]: Finished difference Result 902 states and 1255 transitions. [2024-11-24 01:18:57,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:18:57,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-24 01:18:57,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:57,890 INFO L225 Difference]: With dead ends: 902 [2024-11-24 01:18:57,891 INFO L226 Difference]: Without dead ends: 749 [2024-11-24 01:18:57,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:18:57,893 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 286 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:57,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 455 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:18:57,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-24 01:18:57,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 592. [2024-11-24 01:18:57,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 591 states have (on average 1.3824027072758038) internal successors, (817), 591 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 817 transitions. [2024-11-24 01:18:57,913 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 817 transitions. Word has length 77 [2024-11-24 01:18:57,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:57,913 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 817 transitions. [2024-11-24 01:18:57,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 817 transitions. [2024-11-24 01:18:57,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-24 01:18:57,914 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:57,915 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] [2024-11-24 01:18:57,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 01:18:57,915 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:57,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:57,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1826714967, now seen corresponding path program 1 times [2024-11-24 01:18:57,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:57,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773167992] [2024-11-24 01:18:57,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:57,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:58,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:58,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773167992] [2024-11-24 01:18:58,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773167992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:58,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:58,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:18:58,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425338096] [2024-11-24 01:18:58,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:58,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:18:58,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:58,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:18:58,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:18:58,039 INFO L87 Difference]: Start difference. First operand 592 states and 817 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:58,120 INFO L93 Difference]: Finished difference Result 1053 states and 1469 transitions. [2024-11-24 01:18:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:18:58,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-24 01:18:58,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:58,124 INFO L225 Difference]: With dead ends: 1053 [2024-11-24 01:18:58,124 INFO L226 Difference]: Without dead ends: 900 [2024-11-24 01:18:58,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:18:58,126 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 286 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:18:58,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 418 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:18:58,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-11-24 01:18:58,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 743. [2024-11-24 01:18:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 742 states have (on average 1.389487870619946) internal successors, (1031), 742 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1031 transitions. [2024-11-24 01:18:58,153 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1031 transitions. Word has length 77 [2024-11-24 01:18:58,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:58,154 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1031 transitions. [2024-11-24 01:18:58,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1031 transitions. [2024-11-24 01:18:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-24 01:18:58,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:58,155 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] [2024-11-24 01:18:58,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 01:18:58,156 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:58,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:58,156 INFO L85 PathProgramCache]: Analyzing trace with hash 275968985, now seen corresponding path program 1 times [2024-11-24 01:18:58,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:58,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195485833] [2024-11-24 01:18:58,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:58,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:58,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195485833] [2024-11-24 01:18:58,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195485833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:58,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:58,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:58,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775669571] [2024-11-24 01:18:58,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:58,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:58,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:58,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:58,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:58,265 INFO L87 Difference]: Start difference. First operand 743 states and 1031 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:58,299 INFO L93 Difference]: Finished difference Result 1864 states and 2602 transitions. [2024-11-24 01:18:58,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:58,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-24 01:18:58,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:58,304 INFO L225 Difference]: With dead ends: 1864 [2024-11-24 01:18:58,304 INFO L226 Difference]: Without dead ends: 1182 [2024-11-24 01:18:58,305 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 [2024-11-24 01:18:58,306 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 59 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 267 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 [2024-11-24 01:18:58,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 267 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:58,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-11-24 01:18:58,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1108. [2024-11-24 01:18:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1107 states have (on average 1.3794037940379404) internal successors, (1527), 1107 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1527 transitions. [2024-11-24 01:18:58,341 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1527 transitions. Word has length 78 [2024-11-24 01:18:58,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:58,342 INFO L471 AbstractCegarLoop]: Abstraction has 1108 states and 1527 transitions. [2024-11-24 01:18:58,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1527 transitions. [2024-11-24 01:18:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-24 01:18:58,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:58,343 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] [2024-11-24 01:18:58,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 01:18:58,344 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:58,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:58,344 INFO L85 PathProgramCache]: Analyzing trace with hash -163971304, now seen corresponding path program 1 times [2024-11-24 01:18:58,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:58,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497860195] [2024-11-24 01:18:58,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:58,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:58,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:58,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497860195] [2024-11-24 01:18:58,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497860195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:58,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:58,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:58,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428953972] [2024-11-24 01:18:58,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:58,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:58,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:58,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:58,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:58,404 INFO L87 Difference]: Start difference. First operand 1108 states and 1527 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:58,440 INFO L93 Difference]: Finished difference Result 2198 states and 3047 transitions. [2024-11-24 01:18:58,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:58,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-24 01:18:58,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:58,445 INFO L225 Difference]: With dead ends: 2198 [2024-11-24 01:18:58,445 INFO L226 Difference]: Without dead ends: 1151 [2024-11-24 01:18:58,447 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 [2024-11-24 01:18:58,447 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 202 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 [2024-11-24 01:18:58,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 202 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:58,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-11-24 01:18:58,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1149. [2024-11-24 01:18:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1148 states have (on average 1.363240418118467) internal successors, (1565), 1148 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1565 transitions. [2024-11-24 01:18:58,481 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1565 transitions. Word has length 79 [2024-11-24 01:18:58,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:58,481 INFO L471 AbstractCegarLoop]: Abstraction has 1149 states and 1565 transitions. [2024-11-24 01:18:58,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1565 transitions. [2024-11-24 01:18:58,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-24 01:18:58,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:58,482 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] [2024-11-24 01:18:58,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 01:18:58,483 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:58,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:58,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1432796505, now seen corresponding path program 1 times [2024-11-24 01:18:58,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:58,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194206864] [2024-11-24 01:18:58,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:58,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:58,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:58,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194206864] [2024-11-24 01:18:58,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194206864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:58,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:58,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:58,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911667169] [2024-11-24 01:18:58,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:58,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:58,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:58,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:58,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:58,607 INFO L87 Difference]: Start difference. First operand 1149 states and 1565 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:58,646 INFO L93 Difference]: Finished difference Result 3213 states and 4369 transitions. [2024-11-24 01:18:58,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:58,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-24 01:18:58,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:58,654 INFO L225 Difference]: With dead ends: 3213 [2024-11-24 01:18:58,654 INFO L226 Difference]: Without dead ends: 2125 [2024-11-24 01:18:58,656 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 [2024-11-24 01:18:58,656 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 52 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 263 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 [2024-11-24 01:18:58,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 263 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:58,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2024-11-24 01:18:58,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2011. [2024-11-24 01:18:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2011 states, 2010 states have (on average 1.3432835820895523) internal successors, (2700), 2010 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2700 transitions. [2024-11-24 01:18:58,715 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2700 transitions. Word has length 79 [2024-11-24 01:18:58,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:58,716 INFO L471 AbstractCegarLoop]: Abstraction has 2011 states and 2700 transitions. [2024-11-24 01:18:58,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2700 transitions. [2024-11-24 01:18:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-24 01:18:58,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:58,717 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] [2024-11-24 01:18:58,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 01:18:58,717 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:58,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:58,718 INFO L85 PathProgramCache]: Analyzing trace with hash -21206962, now seen corresponding path program 1 times [2024-11-24 01:18:58,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:58,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550980817] [2024-11-24 01:18:58,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:58,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:58,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:58,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550980817] [2024-11-24 01:18:58,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550980817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:58,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:58,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:18:58,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518451299] [2024-11-24 01:18:58,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:58,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:18:58,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:58,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:18:58,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:18:58,846 INFO L87 Difference]: Start difference. First operand 2011 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:58,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:58,900 INFO L93 Difference]: Finished difference Result 5687 states and 7578 transitions. [2024-11-24 01:18:58,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:18:58,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-24 01:18:58,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:58,914 INFO L225 Difference]: With dead ends: 5687 [2024-11-24 01:18:58,914 INFO L226 Difference]: Without dead ends: 3737 [2024-11-24 01:18:58,917 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 [2024-11-24 01:18:58,918 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 42 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 263 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 [2024-11-24 01:18:58,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 263 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:58,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2024-11-24 01:18:58,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3511. [2024-11-24 01:18:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 3510 states have (on average 1.3122507122507123) internal successors, (4606), 3510 states have internal predecessors, (4606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 4606 transitions. [2024-11-24 01:18:59,028 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 4606 transitions. Word has length 80 [2024-11-24 01:18:59,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:59,029 INFO L471 AbstractCegarLoop]: Abstraction has 3511 states and 4606 transitions. [2024-11-24 01:18:59,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:59,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 4606 transitions. [2024-11-24 01:18:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-24 01:18:59,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:59,030 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] [2024-11-24 01:18:59,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-24 01:18:59,030 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:59,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:59,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1223980109, now seen corresponding path program 1 times [2024-11-24 01:18:59,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:59,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624424969] [2024-11-24 01:18:59,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:59,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:59,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:59,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624424969] [2024-11-24 01:18:59,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624424969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:18:59,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:18:59,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:18:59,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033318300] [2024-11-24 01:18:59,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:18:59,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:18:59,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:18:59,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:18:59,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:18:59,334 INFO L87 Difference]: Start difference. First operand 3511 states and 4606 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:59,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:18:59,395 INFO L93 Difference]: Finished difference Result 3609 states and 4735 transitions. [2024-11-24 01:18:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:18:59,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-24 01:18:59,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:18:59,408 INFO L225 Difference]: With dead ends: 3609 [2024-11-24 01:18:59,408 INFO L226 Difference]: Without dead ends: 3607 [2024-11-24 01:18:59,409 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 [2024-11-24 01:18:59,410 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 603 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 [2024-11-24 01:18:59,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 603 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:18:59,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2024-11-24 01:18:59,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3607. [2024-11-24 01:18:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3607 states, 3606 states have (on average 1.2928452579034941) internal successors, (4662), 3606 states have internal predecessors, (4662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3607 states to 3607 states and 4662 transitions. [2024-11-24 01:18:59,512 INFO L78 Accepts]: Start accepts. Automaton has 3607 states and 4662 transitions. Word has length 81 [2024-11-24 01:18:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:18:59,513 INFO L471 AbstractCegarLoop]: Abstraction has 3607 states and 4662 transitions. [2024-11-24 01:18:59,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:18:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 3607 states and 4662 transitions. [2024-11-24 01:18:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 01:18:59,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:18:59,515 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:18:59,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 01:18:59,515 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:18:59,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:18:59,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1680108859, now seen corresponding path program 1 times [2024-11-24 01:18:59,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:18:59,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665846504] [2024-11-24 01:18:59,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:59,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:18:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:18:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:18:59,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:18:59,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665846504] [2024-11-24 01:18:59,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665846504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:18:59,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000138520] [2024-11-24 01:18:59,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:18:59,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:18:59,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:18:59,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:18:59,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:19:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:00,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 01:19:00,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:19:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:19:01,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:19:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:19:03,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000138520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:19:03,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:19:03,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 24 [2024-11-24 01:19:03,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570853327] [2024-11-24 01:19:03,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:19:03,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-24 01:19:03,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:03,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-24 01:19:03,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2024-11-24 01:19:03,085 INFO L87 Difference]: Start difference. First operand 3607 states and 4662 transitions. Second operand has 25 states, 25 states have (on average 10.4) internal successors, (260), 24 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:19:05,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:05,608 INFO L93 Difference]: Finished difference Result 18283 states and 23518 transitions. [2024-11-24 01:19:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-24 01:19:05,609 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.4) internal successors, (260), 24 states have internal predecessors, (260), 0 states have call successors, (0), 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 [2024-11-24 01:19:05,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:05,660 INFO L225 Difference]: With dead ends: 18283 [2024-11-24 01:19:05,661 INFO L226 Difference]: Without dead ends: 14737 [2024-11-24 01:19:05,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=848, Invalid=2934, Unknown=0, NotChecked=0, Total=3782 [2024-11-24 01:19:05,669 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 1712 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:19:05,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 874 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:19:05,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14737 states. [2024-11-24 01:19:05,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14737 to 7683. [2024-11-24 01:19:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7683 states, 7682 states have (on average 1.2861234053631867) internal successors, (9880), 7682 states have internal predecessors, (9880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:19:05,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7683 states to 7683 states and 9880 transitions. [2024-11-24 01:19:05,969 INFO L78 Accepts]: Start accepts. Automaton has 7683 states and 9880 transitions. Word has length 103 [2024-11-24 01:19:05,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:05,970 INFO L471 AbstractCegarLoop]: Abstraction has 7683 states and 9880 transitions. [2024-11-24 01:19:05,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.4) internal successors, (260), 24 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:19:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 7683 states and 9880 transitions. [2024-11-24 01:19:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 01:19:05,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:05,974 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:19:05,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:19:06,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-24 01:19:06,175 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:19:06,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:06,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1319335917, now seen corresponding path program 1 times [2024-11-24 01:19:06,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:06,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847209431] [2024-11-24 01:19:06,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:06,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:19:06,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:06,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847209431] [2024-11-24 01:19:06,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847209431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:19:06,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363380050] [2024-11-24 01:19:06,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:06,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:19:06,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:19:06,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:19:06,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:19:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:07,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 01:19:07,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:19:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:19:09,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:19:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:19:12,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363380050] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:19:12,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:19:12,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 15] total 37 [2024-11-24 01:19:12,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976545078] [2024-11-24 01:19:12,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:19:12,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-24 01:19:12,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:12,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-24 01:19:12,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1257, Unknown=0, NotChecked=0, Total=1406 [2024-11-24 01:19:12,014 INFO L87 Difference]: Start difference. First operand 7683 states and 9880 transitions. Second operand has 38 states, 38 states have (on average 7.5) internal successors, (285), 37 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:21:33,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:33,441 INFO L93 Difference]: Finished difference Result 164072 states and 209920 transitions. [2024-11-24 01:21:33,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1034 states. [2024-11-24 01:21:33,441 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 7.5) internal successors, (285), 37 states have internal predecessors, (285), 0 states have call successors, (0), 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 104 [2024-11-24 01:21:33,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:33,776 INFO L225 Difference]: With dead ends: 164072 [2024-11-24 01:21:33,776 INFO L226 Difference]: Without dead ends: 156458 [2024-11-24 01:21:33,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1249 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 1068 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543692 ImplicationChecksByTransitivity, 133.7s TimeCoverageRelationStatistics Valid=78002, Invalid=1065828, Unknown=0, NotChecked=0, Total=1143830 [2024-11-24 01:21:33,909 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 10988 mSDsluCounter, 4632 mSDsCounter, 0 mSdLazyCounter, 6673 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10988 SdHoareTripleChecker+Valid, 4840 SdHoareTripleChecker+Invalid, 7081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 6673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:33,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10988 Valid, 4840 Invalid, 7081 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [408 Valid, 6673 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2024-11-24 01:21:34,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156458 states. [2024-11-24 01:21:35,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156458 to 61354. [2024-11-24 01:21:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61354 states, 61353 states have (on average 1.2831157400616107) internal successors, (78723), 61353 states have internal predecessors, (78723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:21:36,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61354 states to 61354 states and 78723 transitions. [2024-11-24 01:21:36,076 INFO L78 Accepts]: Start accepts. Automaton has 61354 states and 78723 transitions. Word has length 104 [2024-11-24 01:21:36,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:36,077 INFO L471 AbstractCegarLoop]: Abstraction has 61354 states and 78723 transitions. [2024-11-24 01:21:36,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.5) internal successors, (285), 37 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:21:36,078 INFO L276 IsEmpty]: Start isEmpty. Operand 61354 states and 78723 transitions. [2024-11-24 01:21:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-24 01:21:36,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:36,087 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:21:36,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:21:36,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:21:36,291 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:21:36,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:36,292 INFO L85 PathProgramCache]: Analyzing trace with hash -38049661, now seen corresponding path program 1 times [2024-11-24 01:21:36,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:21:36,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026357016] [2024-11-24 01:21:36,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:36,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:21:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:21:36,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:21:36,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026357016] [2024-11-24 01:21:36,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026357016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:21:36,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:21:36,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:21:36,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340165059] [2024-11-24 01:21:36,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:21:36,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:21:36,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:21:36,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:21:36,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:36,397 INFO L87 Difference]: Start difference. First operand 61354 states and 78723 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) [2024-11-24 01:21:36,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:36,857 INFO L93 Difference]: Finished difference Result 107864 states and 138308 transitions. [2024-11-24 01:21:36,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:21:36,858 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 [2024-11-24 01:21:36,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:36,927 INFO L225 Difference]: With dead ends: 107864 [2024-11-24 01:21:36,928 INFO L226 Difference]: Without dead ends: 46639 [2024-11-24 01:21:36,961 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 [2024-11-24 01:21:36,961 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 52 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:36,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 247 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:21:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46639 states. [2024-11-24 01:21:37,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46639 to 43227. [2024-11-24 01:21:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43227 states, 43226 states have (on average 1.2683570073566834) internal successors, (54826), 43226 states have internal predecessors, (54826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:21:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43227 states to 43227 states and 54826 transitions. [2024-11-24 01:21:37,868 INFO L78 Accepts]: Start accepts. Automaton has 43227 states and 54826 transitions. Word has length 105 [2024-11-24 01:21:37,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:37,868 INFO L471 AbstractCegarLoop]: Abstraction has 43227 states and 54826 transitions. [2024-11-24 01:21:37,869 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) [2024-11-24 01:21:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 43227 states and 54826 transitions. [2024-11-24 01:21:37,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-24 01:21:37,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:37,878 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 01:21:37,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-24 01:21:37,879 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:21:37,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:37,879 INFO L85 PathProgramCache]: Analyzing trace with hash 2041665030, now seen corresponding path program 1 times [2024-11-24 01:21:37,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:21:37,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100721598] [2024-11-24 01:21:37,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:37,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:21:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 01:21:38,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:21:38,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100721598] [2024-11-24 01:21:38,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100721598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:21:38,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:21:38,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:21:38,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562473565] [2024-11-24 01:21:38,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:21:38,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:21:38,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:21:38,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:21:38,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:21:38,337 INFO L87 Difference]: Start difference. First operand 43227 states and 54826 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-24 01:21:39,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:39,093 INFO L93 Difference]: Finished difference Result 104361 states and 132192 transitions. [2024-11-24 01:21:39,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:21:39,094 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 105 [2024-11-24 01:21:39,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:39,145 INFO L225 Difference]: With dead ends: 104361 [2024-11-24 01:21:39,145 INFO L226 Difference]: Without dead ends: 61235 [2024-11-24 01:21:39,161 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 [2024-11-24 01:21:39,161 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 259 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:39,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 484 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:21:39,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61235 states. [2024-11-24 01:21:39,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61235 to 43227. [2024-11-24 01:21:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43227 states, 43226 states have (on average 1.268264470457595) internal successors, (54822), 43226 states have internal predecessors, (54822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:21:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43227 states to 43227 states and 54822 transitions. [2024-11-24 01:21:39,895 INFO L78 Accepts]: Start accepts. Automaton has 43227 states and 54822 transitions. Word has length 105 [2024-11-24 01:21:39,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:39,895 INFO L471 AbstractCegarLoop]: Abstraction has 43227 states and 54822 transitions. [2024-11-24 01:21:39,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-11-24 01:21:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 43227 states and 54822 transitions. [2024-11-24 01:21:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-24 01:21:39,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:39,902 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:21:39,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-24 01:21:39,902 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:21:39,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1701532736, now seen corresponding path program 1 times [2024-11-24 01:21:39,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:21:39,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168009947] [2024-11-24 01:21:39,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:39,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:21:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:21:41,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:21:41,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168009947] [2024-11-24 01:21:41,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168009947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:21:41,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671132742] [2024-11-24 01:21:41,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:41,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:21:41,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:21:41,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:21:41,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:21:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:41,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 01:21:41,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:21:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 01:21:42,114 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:21:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 01:21:43,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671132742] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:21:43,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:21:43,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 7] total 25 [2024-11-24 01:21:43,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772066274] [2024-11-24 01:21:43,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:21:43,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-24 01:21:43,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:21:43,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-24 01:21:43,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2024-11-24 01:21:43,095 INFO L87 Difference]: Start difference. First operand 43227 states and 54822 transitions. Second operand has 25 states, 25 states have (on average 12.08) internal successors, (302), 25 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:21:50,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:50,061 INFO L93 Difference]: Finished difference Result 135888 states and 172298 transitions. [2024-11-24 01:21:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-24 01:21:50,061 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 12.08) internal successors, (302), 25 states have internal predecessors, (302), 0 states have call successors, (0), 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 106 [2024-11-24 01:21:50,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:50,410 INFO L225 Difference]: With dead ends: 135888 [2024-11-24 01:21:50,410 INFO L226 Difference]: Without dead ends: 92790 [2024-11-24 01:21:50,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4694 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1720, Invalid=12800, Unknown=0, NotChecked=0, Total=14520 [2024-11-24 01:21:50,440 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 2235 mSDsluCounter, 2568 mSDsCounter, 0 mSdLazyCounter, 4302 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2235 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 4410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 4302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:50,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2235 Valid, 2768 Invalid, 4410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 4302 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-24 01:21:50,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92790 states. [2024-11-24 01:21:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92790 to 62149. [2024-11-24 01:21:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62149 states, 62148 states have (on average 1.267265237819399) internal successors, (78758), 62148 states have internal predecessors, (78758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:21:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62149 states to 62149 states and 78758 transitions. [2024-11-24 01:21:51,766 INFO L78 Accepts]: Start accepts. Automaton has 62149 states and 78758 transitions. Word has length 106 [2024-11-24 01:21:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:51,767 INFO L471 AbstractCegarLoop]: Abstraction has 62149 states and 78758 transitions. [2024-11-24 01:21:51,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 12.08) internal successors, (302), 25 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:21:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 62149 states and 78758 transitions. [2024-11-24 01:21:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-24 01:21:51,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:51,785 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 01:21:51,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:21:51,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:21:51,990 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:21:51,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:51,991 INFO L85 PathProgramCache]: Analyzing trace with hash 658454243, now seen corresponding path program 1 times [2024-11-24 01:21:51,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:21:51,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953504363] [2024-11-24 01:21:51,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:51,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:21:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:21:52,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:21:52,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953504363] [2024-11-24 01:21:52,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953504363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:21:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687425911] [2024-11-24 01:21:52,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:52,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:21:52,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:21:52,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:21:52,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:21:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:53,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 01:21:53,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:21:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:21:56,892 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:22:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:22:00,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687425911] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:22:00,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:22:00,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 17, 17] total 41 [2024-11-24 01:22:00,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667761512] [2024-11-24 01:22:00,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:22:00,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-24 01:22:00,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:22:00,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-24 01:22:00,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1514, Unknown=0, NotChecked=0, Total=1640 [2024-11-24 01:22:00,412 INFO L87 Difference]: Start difference. First operand 62149 states and 78758 transitions. Second operand has 41 states, 41 states have (on average 7.219512195121951) internal successors, (296), 41 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:23:35,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:23:35,845 INFO L93 Difference]: Finished difference Result 397935 states and 506112 transitions. [2024-11-24 01:23:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 558 states. [2024-11-24 01:23:35,846 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 7.219512195121951) internal successors, (296), 41 states have internal predecessors, (296), 0 states have call successors, (0), 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 106 [2024-11-24 01:23:35,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:23:36,476 INFO L225 Difference]: With dead ends: 397935 [2024-11-24 01:23:36,476 INFO L226 Difference]: Without dead ends: 337639 [2024-11-24 01:23:36,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 595 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159278 ImplicationChecksByTransitivity, 85.4s TimeCoverageRelationStatistics Valid=25593, Invalid=330219, Unknown=0, NotChecked=0, Total=355812 [2024-11-24 01:23:36,532 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 12534 mSDsluCounter, 4844 mSDsCounter, 0 mSdLazyCounter, 7834 mSolverCounterSat, 467 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12534 SdHoareTripleChecker+Valid, 5068 SdHoareTripleChecker+Invalid, 8301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 7834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:23:36,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12534 Valid, 5068 Invalid, 8301 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [467 Valid, 7834 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2024-11-24 01:23:36,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337639 states. [2024-11-24 01:23:39,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337639 to 216384. [2024-11-24 01:23:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216384 states, 216383 states have (on average 1.2716941719081443) internal successors, (275173), 216383 states have internal predecessors, (275173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:23:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216384 states to 216384 states and 275173 transitions. [2024-11-24 01:23:40,362 INFO L78 Accepts]: Start accepts. Automaton has 216384 states and 275173 transitions. Word has length 106 [2024-11-24 01:23:40,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:23:40,363 INFO L471 AbstractCegarLoop]: Abstraction has 216384 states and 275173 transitions. [2024-11-24 01:23:40,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 7.219512195121951) internal successors, (296), 41 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:23:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 216384 states and 275173 transitions. [2024-11-24 01:23:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-24 01:23:40,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:23:40,374 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 01:23:40,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 01:23:40,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:23:40,575 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-24 01:23:40,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:23:40,577 INFO L85 PathProgramCache]: Analyzing trace with hash 779183381, now seen corresponding path program 1 times [2024-11-24 01:23:40,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:23:40,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495279605] [2024-11-24 01:23:40,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:40,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:23:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:23:41,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:23:41,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:23:41,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495279605] [2024-11-24 01:23:41,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495279605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:23:41,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76118940] [2024-11-24 01:23:41,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:41,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:23:41,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:23:41,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:23:41,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56e3bc37-c39a-4f23-9ba8-6c29be72e72c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:23:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:23:42,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-24 01:23:42,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:23:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:23:47,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:23:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:23:55,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76118940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:23:55,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:23:55,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25, 24] total 60 [2024-11-24 01:23:55,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599355601] [2024-11-24 01:23:55,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:23:55,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-24 01:23:55,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:23:55,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-24 01:23:55,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=3235, Unknown=3, NotChecked=0, Total=3540 [2024-11-24 01:23:55,762 INFO L87 Difference]: Start difference. First operand 216384 states and 275173 transitions. Second operand has 60 states, 60 states have (on average 4.8) internal successors, (288), 60 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:24:07,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:24:47,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:47,822 INFO L93 Difference]: Finished difference Result 662367 states and 842789 transitions. [2024-11-24 01:24:47,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-11-24 01:24:47,822 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 4.8) internal successors, (288), 60 states have internal predecessors, (288), 0 states have call successors, (0), 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 107 [2024-11-24 01:24:47,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:49,105 INFO L225 Difference]: With dead ends: 662367 [2024-11-24 01:24:49,105 INFO L226 Difference]: Without dead ends: 548979 [2024-11-24 01:24:49,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16562 ImplicationChecksByTransitivity, 48.6s TimeCoverageRelationStatistics Valid=4804, Invalid=46947, Unknown=5, NotChecked=0, Total=51756 [2024-11-24 01:24:49,162 INFO L435 NwaCegarLoop]: 461 mSDtfsCounter, 5235 mSDsluCounter, 10775 mSDsCounter, 0 mSdLazyCounter, 6627 mSolverCounterSat, 69 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5235 SdHoareTripleChecker+Valid, 11236 SdHoareTripleChecker+Invalid, 6697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 6627 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:49,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5235 Valid, 11236 Invalid, 6697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 6627 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2024-11-24 01:24:49,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548979 states.