./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd --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 c9fed3b6ecd1551705440e8c2971862b3f83812db515b8181a20d7126e9055f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:32:59,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:32:59,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:32:59,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:32:59,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:32:59,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:32:59,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:32:59,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:32:59,800 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:32:59,801 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:32:59,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:32:59,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:32:59,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:32:59,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:32:59,803 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:32:59,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:32:59,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:32:59,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:32:59,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:32:59,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:32:59,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:32:59,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:32:59,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:32:59,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:32:59,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:32:59,805 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:32:59,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:32:59,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:32:59,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:32:59,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:32:59,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:32:59,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:32:59,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:32:59,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:32:59,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:32:59,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:32:59,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:32:59,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:32:59,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:32:59,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:32:59,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:32:59,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:32:59,806 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd 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 -> c9fed3b6ecd1551705440e8c2971862b3f83812db515b8181a20d7126e9055f8 [2024-11-13 14:33:00,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:33:00,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:33:00,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:33:00,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:33:00,130 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:33:00,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-13 14:33:02,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:33:02,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:33:02,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-13 14:33:02,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/data/84dcff8cd/80dbbd9cdf6643379c68c2cc294ea72d/FLAGaf2cc6cf9 [2024-11-13 14:33:02,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/data/84dcff8cd/80dbbd9cdf6643379c68c2cc294ea72d [2024-11-13 14:33:02,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:33:02,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:33:02,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:02,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:33:02,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:33:02,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:02" (1/1) ... [2024-11-13 14:33:02,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff50af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:02, skipping insertion in model container [2024-11-13 14:33:02,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:02" (1/1) ... [2024-11-13 14:33:02,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:33:03,054 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7186,7199] [2024-11-13 14:33:03,096 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11327,11340] [2024-11-13 14:33:03,158 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18377,18390] [2024-11-13 14:33:03,196 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24849,24862] [2024-11-13 14:33:03,278 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43924,43937] [2024-11-13 14:33:03,394 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71846,71859] [2024-11-13 14:33:03,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:03,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:33:03,714 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7186,7199] [2024-11-13 14:33:03,728 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11327,11340] [2024-11-13 14:33:03,743 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18377,18390] [2024-11-13 14:33:03,756 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24849,24862] [2024-11-13 14:33:03,798 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43924,43937] [2024-11-13 14:33:03,859 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_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71846,71859] [2024-11-13 14:33:03,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:04,002 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:33:04,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04 WrapperNode [2024-11-13 14:33:04,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:04,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:04,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:33:04,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:33:04,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,295 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6061 [2024-11-13 14:33:04,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:04,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:33:04,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:33:04,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:33:04,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,331 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,411 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]. [2024-11-13 14:33:04,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:33:04,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:33:04,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:33:04,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:33:04,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (1/1) ... [2024-11-13 14:33:04,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:33:04,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:33:04,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:33:04,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:33:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:33:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:33:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:33:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:33:05,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:33:05,020 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:33:09,348 INFO L? ?]: Removed 1041 outVars from TransFormulas that were not future-live. [2024-11-13 14:33:09,348 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:33:09,467 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:33:09,467 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:33:09,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:09 BoogieIcfgContainer [2024-11-13 14:33:09,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:33:09,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:33:09,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:33:09,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:33:09,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:33:02" (1/3) ... [2024-11-13 14:33:09,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e88408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:09, skipping insertion in model container [2024-11-13 14:33:09,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:04" (2/3) ... [2024-11-13 14:33:09,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e88408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:09, skipping insertion in model container [2024-11-13 14:33:09,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:09" (3/3) ... [2024-11-13 14:33:09,485 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-13 14:33:09,503 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:33:09,507 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c that has 1 procedures, 1254 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-11-13 14:33:09,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:33:09,654 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;@13c90544, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:33:09,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 14:33:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 1254 states, 1247 states have (on average 1.8043303929430634) internal successors, (2250), 1253 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 14:33:09,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:09,701 INFO L215 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] [2024-11-13 14:33:09,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:09,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:09,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1061871762, now seen corresponding path program 1 times [2024-11-13 14:33:09,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:09,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928078340] [2024-11-13 14:33:09,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:09,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:10,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:10,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928078340] [2024-11-13 14:33:10,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928078340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:10,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:10,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:33:10,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834028049] [2024-11-13 14:33:10,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:10,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:10,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:10,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:10,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:10,487 INFO L87 Difference]: Start difference. First operand has 1254 states, 1247 states have (on average 1.8043303929430634) internal successors, (2250), 1253 states have internal predecessors, (2250), 0 states have call successors, (0), 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 10.2) internal successors, (51), 4 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) [2024-11-13 14:33:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:12,585 INFO L93 Difference]: Finished difference Result 2475 states and 4331 transitions. [2024-11-13 14:33:12,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:12,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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 [2024-11-13 14:33:12,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:12,607 INFO L225 Difference]: With dead ends: 2475 [2024-11-13 14:33:12,607 INFO L226 Difference]: Without dead ends: 1558 [2024-11-13 14:33:12,613 INFO L431 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 [2024-11-13 14:33:12,615 INFO L432 NwaCegarLoop]: 1013 mSDtfsCounter, 7059 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7059 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:12,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7059 Valid, 1499 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 14:33:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2024-11-13 14:33:12,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1552. [2024-11-13 14:33:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1546 states have (on average 1.3544631306597672) internal successors, (2094), 1551 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2094 transitions. [2024-11-13 14:33:12,750 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2094 transitions. Word has length 51 [2024-11-13 14:33:12,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:12,751 INFO L471 AbstractCegarLoop]: Abstraction has 1552 states and 2094 transitions. [2024-11-13 14:33:12,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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) [2024-11-13 14:33:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2094 transitions. [2024-11-13 14:33:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 14:33:12,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:12,756 INFO L215 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] [2024-11-13 14:33:12,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:33:12,757 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:12,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:12,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1625759521, now seen corresponding path program 1 times [2024-11-13 14:33:12,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:12,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627791879] [2024-11-13 14:33:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:13,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:13,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627791879] [2024-11-13 14:33:13,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627791879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:13,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:13,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:33:13,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922950484] [2024-11-13 14:33:13,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:13,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:13,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:13,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:13,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:13,088 INFO L87 Difference]: Start difference. First operand 1552 states and 2094 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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) [2024-11-13 14:33:14,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:14,398 INFO L93 Difference]: Finished difference Result 3181 states and 4350 transitions. [2024-11-13 14:33:14,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:14,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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 [2024-11-13 14:33:14,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:14,410 INFO L225 Difference]: With dead ends: 3181 [2024-11-13 14:33:14,410 INFO L226 Difference]: Without dead ends: 2197 [2024-11-13 14:33:14,413 INFO L431 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 [2024-11-13 14:33:14,417 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 5058 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5058 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:14,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5058 Valid, 1030 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 14:33:14,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2197 states. [2024-11-13 14:33:14,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2197 to 2185. [2024-11-13 14:33:14,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2185 states, 2179 states have (on average 1.3740247820100964) internal successors, (2994), 2184 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2994 transitions. [2024-11-13 14:33:14,518 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2994 transitions. Word has length 52 [2024-11-13 14:33:14,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:14,518 INFO L471 AbstractCegarLoop]: Abstraction has 2185 states and 2994 transitions. [2024-11-13 14:33:14,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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) [2024-11-13 14:33:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2994 transitions. [2024-11-13 14:33:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 14:33:14,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:14,525 INFO L215 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] [2024-11-13 14:33:14,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:33:14,525 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:14,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:14,526 INFO L85 PathProgramCache]: Analyzing trace with hash 299183278, now seen corresponding path program 1 times [2024-11-13 14:33:14,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:14,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040898279] [2024-11-13 14:33:14,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:14,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:14,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:14,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040898279] [2024-11-13 14:33:14,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040898279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:14,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:14,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:33:14,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143973468] [2024-11-13 14:33:14,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:14,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:14,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:14,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:14,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:14,758 INFO L87 Difference]: Start difference. First operand 2185 states and 2994 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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) [2024-11-13 14:33:15,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:15,964 INFO L93 Difference]: Finished difference Result 4530 states and 6290 transitions. [2024-11-13 14:33:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:15,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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 [2024-11-13 14:33:15,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:15,979 INFO L225 Difference]: With dead ends: 4530 [2024-11-13 14:33:15,980 INFO L226 Difference]: Without dead ends: 3051 [2024-11-13 14:33:15,982 INFO L431 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 [2024-11-13 14:33:15,986 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 4477 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:15,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4477 Valid, 884 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 14:33:15,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2024-11-13 14:33:16,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3041. [2024-11-13 14:33:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 3035 states have (on average 1.3759472817133442) internal successors, (4176), 3040 states have internal predecessors, (4176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4176 transitions. [2024-11-13 14:33:16,076 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4176 transitions. Word has length 52 [2024-11-13 14:33:16,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:16,076 INFO L471 AbstractCegarLoop]: Abstraction has 3041 states and 4176 transitions. [2024-11-13 14:33:16,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 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) [2024-11-13 14:33:16,077 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4176 transitions. [2024-11-13 14:33:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 14:33:16,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:16,083 INFO L215 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] [2024-11-13 14:33:16,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:33:16,083 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:16,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:16,084 INFO L85 PathProgramCache]: Analyzing trace with hash 448762372, now seen corresponding path program 1 times [2024-11-13 14:33:16,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:16,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108440925] [2024-11-13 14:33:16,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:16,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:16,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:16,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:16,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108440925] [2024-11-13 14:33:16,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108440925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:16,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:16,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:33:16,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769513633] [2024-11-13 14:33:16,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:16,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:33:16,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:16,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:33:16,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:33:16,651 INFO L87 Difference]: Start difference. First operand 3041 states and 4176 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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) [2024-11-13 14:33:19,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:19,002 INFO L93 Difference]: Finished difference Result 5165 states and 7240 transitions. [2024-11-13 14:33:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:33:19,002 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 [2024-11-13 14:33:19,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:19,018 INFO L225 Difference]: With dead ends: 5165 [2024-11-13 14:33:19,018 INFO L226 Difference]: Without dead ends: 4608 [2024-11-13 14:33:19,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:33:19,021 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 4076 mSDsluCounter, 2117 mSDsCounter, 0 mSdLazyCounter, 3061 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4076 SdHoareTripleChecker+Valid, 2771 SdHoareTripleChecker+Invalid, 3134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 3061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:19,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4076 Valid, 2771 Invalid, 3134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 3061 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 14:33:19,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4608 states. [2024-11-13 14:33:19,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4608 to 3041. [2024-11-13 14:33:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 3035 states have (on average 1.3756177924217463) internal successors, (4175), 3040 states have internal predecessors, (4175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:19,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4175 transitions. [2024-11-13 14:33:19,129 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4175 transitions. Word has length 53 [2024-11-13 14:33:19,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:19,129 INFO L471 AbstractCegarLoop]: Abstraction has 3041 states and 4175 transitions. [2024-11-13 14:33:19,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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) [2024-11-13 14:33:19,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4175 transitions. [2024-11-13 14:33:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 14:33:19,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:19,134 INFO L215 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] [2024-11-13 14:33:19,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:33:19,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:19,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:19,134 INFO L85 PathProgramCache]: Analyzing trace with hash 303472925, now seen corresponding path program 1 times [2024-11-13 14:33:19,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:19,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941709087] [2024-11-13 14:33:19,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:19,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:19,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:19,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941709087] [2024-11-13 14:33:19,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941709087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:19,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:19,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:33:19,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952097661] [2024-11-13 14:33:19,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:19,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:33:19,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:19,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:33:19,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:33:19,680 INFO L87 Difference]: Start difference. First operand 3041 states and 4175 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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) [2024-11-13 14:33:21,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:21,782 INFO L93 Difference]: Finished difference Result 3789 states and 5172 transitions. [2024-11-13 14:33:21,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:33:21,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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 [2024-11-13 14:33:21,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:21,791 INFO L225 Difference]: With dead ends: 3789 [2024-11-13 14:33:21,791 INFO L226 Difference]: Without dead ends: 3784 [2024-11-13 14:33:21,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:33:21,793 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 6187 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 2668 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6187 SdHoareTripleChecker+Valid, 2679 SdHoareTripleChecker+Invalid, 2710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:21,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6187 Valid, 2679 Invalid, 2710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2668 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:33:21,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3784 states. [2024-11-13 14:33:21,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3784 to 3041. [2024-11-13 14:33:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 3035 states have (on average 1.3752883031301482) internal successors, (4174), 3040 states have internal predecessors, (4174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4174 transitions. [2024-11-13 14:33:21,876 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4174 transitions. Word has length 53 [2024-11-13 14:33:21,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:21,876 INFO L471 AbstractCegarLoop]: Abstraction has 3041 states and 4174 transitions. [2024-11-13 14:33:21,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 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) [2024-11-13 14:33:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4174 transitions. [2024-11-13 14:33:21,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 14:33:21,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:21,880 INFO L215 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] [2024-11-13 14:33:21,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:33:21,880 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:21,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:21,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1162103691, now seen corresponding path program 1 times [2024-11-13 14:33:21,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:21,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842654742] [2024-11-13 14:33:21,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:22,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:22,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842654742] [2024-11-13 14:33:22,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842654742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:22,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:22,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:33:22,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135382331] [2024-11-13 14:33:22,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:22,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:33:22,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:22,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:33:22,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:33:22,311 INFO L87 Difference]: Start difference. First operand 3041 states and 4174 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 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) [2024-11-13 14:33:23,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:23,681 INFO L93 Difference]: Finished difference Result 4353 states and 6077 transitions. [2024-11-13 14:33:23,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:33:23,682 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 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 [2024-11-13 14:33:23,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:23,693 INFO L225 Difference]: With dead ends: 4353 [2024-11-13 14:33:23,693 INFO L226 Difference]: Without dead ends: 3682 [2024-11-13 14:33:23,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:33:23,696 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 6319 mSDsluCounter, 1564 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6319 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:23,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6319 Valid, 2183 Invalid, 1951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1941 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 14:33:23,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2024-11-13 14:33:23,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 3041. [2024-11-13 14:33:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 3035 states have (on average 1.3749588138385502) internal successors, (4173), 3040 states have internal predecessors, (4173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:23,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4173 transitions. [2024-11-13 14:33:23,760 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4173 transitions. Word has length 53 [2024-11-13 14:33:23,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:23,760 INFO L471 AbstractCegarLoop]: Abstraction has 3041 states and 4173 transitions. [2024-11-13 14:33:23,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 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) [2024-11-13 14:33:23,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4173 transitions. [2024-11-13 14:33:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 14:33:23,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:23,764 INFO L215 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] [2024-11-13 14:33:23,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:33:23,765 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:23,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:23,765 INFO L85 PathProgramCache]: Analyzing trace with hash -482264145, now seen corresponding path program 1 times [2024-11-13 14:33:23,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:23,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518158253] [2024-11-13 14:33:23,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:23,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:23,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:23,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518158253] [2024-11-13 14:33:23,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518158253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:23,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:23,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:23,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641853763] [2024-11-13 14:33:23,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:23,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:23,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:23,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:23,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:23,852 INFO L87 Difference]: Start difference. First operand 3041 states and 4173 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 14:33:23,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:23,940 INFO L93 Difference]: Finished difference Result 3997 states and 5638 transitions. [2024-11-13 14:33:23,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:23,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 [2024-11-13 14:33:23,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:23,949 INFO L225 Difference]: With dead ends: 3997 [2024-11-13 14:33:23,949 INFO L226 Difference]: Without dead ends: 3094 [2024-11-13 14:33:23,951 INFO L431 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 [2024-11-13 14:33:23,952 INFO L432 NwaCegarLoop]: 1186 mSDtfsCounter, 579 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:23,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1785 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2024-11-13 14:33:24,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3092. [2024-11-13 14:33:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 3086 states have (on average 1.3833441348023332) internal successors, (4269), 3091 states have internal predecessors, (4269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 4269 transitions. [2024-11-13 14:33:24,015 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 4269 transitions. Word has length 54 [2024-11-13 14:33:24,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:24,016 INFO L471 AbstractCegarLoop]: Abstraction has 3092 states and 4269 transitions. [2024-11-13 14:33:24,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 14:33:24,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 4269 transitions. [2024-11-13 14:33:24,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 14:33:24,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:24,019 INFO L215 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] [2024-11-13 14:33:24,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:33:24,020 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:24,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:24,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1622556323, now seen corresponding path program 1 times [2024-11-13 14:33:24,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:24,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145142399] [2024-11-13 14:33:24,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:24,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:24,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:24,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145142399] [2024-11-13 14:33:24,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145142399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:24,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:24,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:24,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275053590] [2024-11-13 14:33:24,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:24,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:24,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:24,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:24,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:24,151 INFO L87 Difference]: Start difference. First operand 3092 states and 4269 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 14:33:24,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:24,230 INFO L93 Difference]: Finished difference Result 4733 states and 6803 transitions. [2024-11-13 14:33:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:24,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 [2024-11-13 14:33:24,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:24,248 INFO L225 Difference]: With dead ends: 4733 [2024-11-13 14:33:24,248 INFO L226 Difference]: Without dead ends: 3514 [2024-11-13 14:33:24,250 INFO L431 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 [2024-11-13 14:33:24,250 INFO L432 NwaCegarLoop]: 1143 mSDtfsCounter, 577 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:24,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1736 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:24,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3514 states. [2024-11-13 14:33:24,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3514 to 3512. [2024-11-13 14:33:24,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3512 states, 3506 states have (on average 1.4110096976611524) internal successors, (4947), 3511 states have internal predecessors, (4947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:24,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 3512 states and 4947 transitions. [2024-11-13 14:33:24,320 INFO L78 Accepts]: Start accepts. Automaton has 3512 states and 4947 transitions. Word has length 54 [2024-11-13 14:33:24,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:24,320 INFO L471 AbstractCegarLoop]: Abstraction has 3512 states and 4947 transitions. [2024-11-13 14:33:24,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 14:33:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3512 states and 4947 transitions. [2024-11-13 14:33:24,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 14:33:24,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:24,323 INFO L215 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] [2024-11-13 14:33:24,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:33:24,323 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:24,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:24,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1612308197, now seen corresponding path program 1 times [2024-11-13 14:33:24,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:24,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965676780] [2024-11-13 14:33:24,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:24,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:24,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:24,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965676780] [2024-11-13 14:33:24,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965676780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:24,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:24,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:24,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330890575] [2024-11-13 14:33:24,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:24,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:24,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:24,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:24,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:24,410 INFO L87 Difference]: Start difference. First operand 3512 states and 4947 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 14:33:24,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:24,577 INFO L93 Difference]: Finished difference Result 7801 states and 11245 transitions. [2024-11-13 14:33:24,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:24,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 [2024-11-13 14:33:24,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:24,597 INFO L225 Difference]: With dead ends: 7801 [2024-11-13 14:33:24,598 INFO L226 Difference]: Without dead ends: 5349 [2024-11-13 14:33:24,601 INFO L431 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 [2024-11-13 14:33:24,602 INFO L432 NwaCegarLoop]: 1200 mSDtfsCounter, 649 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:24,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 1961 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:24,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2024-11-13 14:33:24,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 5343. [2024-11-13 14:33:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5343 states, 5337 states have (on average 1.405283867341203) internal successors, (7500), 5342 states have internal predecessors, (7500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 5343 states and 7500 transitions. [2024-11-13 14:33:24,697 INFO L78 Accepts]: Start accepts. Automaton has 5343 states and 7500 transitions. Word has length 54 [2024-11-13 14:33:24,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:24,698 INFO L471 AbstractCegarLoop]: Abstraction has 5343 states and 7500 transitions. [2024-11-13 14:33:24,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2024-11-13 14:33:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 5343 states and 7500 transitions. [2024-11-13 14:33:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 14:33:24,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:24,702 INFO L215 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] [2024-11-13 14:33:24,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:33:24,702 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:24,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:24,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1623263409, now seen corresponding path program 1 times [2024-11-13 14:33:24,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:24,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728821954] [2024-11-13 14:33:24,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:24,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:24,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:24,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728821954] [2024-11-13 14:33:24,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728821954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:24,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:24,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:24,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854859214] [2024-11-13 14:33:24,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:24,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:24,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:24,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:24,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:24,782 INFO L87 Difference]: Start difference. First operand 5343 states and 7500 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:24,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:24,918 INFO L93 Difference]: Finished difference Result 9822 states and 14011 transitions. [2024-11-13 14:33:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:24,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-13 14:33:24,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:24,931 INFO L225 Difference]: With dead ends: 9822 [2024-11-13 14:33:24,931 INFO L226 Difference]: Without dead ends: 5548 [2024-11-13 14:33:24,936 INFO L431 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 [2024-11-13 14:33:24,937 INFO L432 NwaCegarLoop]: 855 mSDtfsCounter, 848 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:24,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 1285 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:24,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5548 states. [2024-11-13 14:33:25,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5548 to 4450. [2024-11-13 14:33:25,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4450 states, 4445 states have (on average 1.4213723284589426) internal successors, (6318), 4449 states have internal predecessors, (6318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:25,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4450 states to 4450 states and 6318 transitions. [2024-11-13 14:33:25,016 INFO L78 Accepts]: Start accepts. Automaton has 4450 states and 6318 transitions. Word has length 55 [2024-11-13 14:33:25,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:25,016 INFO L471 AbstractCegarLoop]: Abstraction has 4450 states and 6318 transitions. [2024-11-13 14:33:25,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:25,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4450 states and 6318 transitions. [2024-11-13 14:33:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 14:33:25,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:25,019 INFO L215 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] [2024-11-13 14:33:25,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:33:25,020 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:25,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:25,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1493102210, now seen corresponding path program 1 times [2024-11-13 14:33:25,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:25,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262416462] [2024-11-13 14:33:25,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:25,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:25,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:25,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262416462] [2024-11-13 14:33:25,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262416462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:25,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:25,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:25,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829853293] [2024-11-13 14:33:25,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:25,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:25,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:25,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:25,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:25,129 INFO L87 Difference]: Start difference. First operand 4450 states and 6318 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:25,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:25,275 INFO L93 Difference]: Finished difference Result 8479 states and 12251 transitions. [2024-11-13 14:33:25,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:25,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-13 14:33:25,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:25,286 INFO L225 Difference]: With dead ends: 8479 [2024-11-13 14:33:25,286 INFO L226 Difference]: Without dead ends: 4773 [2024-11-13 14:33:25,290 INFO L431 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 [2024-11-13 14:33:25,291 INFO L432 NwaCegarLoop]: 713 mSDtfsCounter, 659 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:25,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 1016 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:25,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4773 states. [2024-11-13 14:33:25,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4773 to 3845. [2024-11-13 14:33:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3845 states, 3841 states have (on average 1.4308773756834159) internal successors, (5496), 3844 states have internal predecessors, (5496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 5496 transitions. [2024-11-13 14:33:25,358 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 5496 transitions. Word has length 55 [2024-11-13 14:33:25,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:25,358 INFO L471 AbstractCegarLoop]: Abstraction has 3845 states and 5496 transitions. [2024-11-13 14:33:25,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 5496 transitions. [2024-11-13 14:33:25,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 14:33:25,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:25,364 INFO L215 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] [2024-11-13 14:33:25,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:33:25,364 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:25,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:25,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1419432604, now seen corresponding path program 1 times [2024-11-13 14:33:25,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:25,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571064569] [2024-11-13 14:33:25,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:25,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:25,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:25,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571064569] [2024-11-13 14:33:25,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571064569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:25,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:25,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:25,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944000982] [2024-11-13 14:33:25,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:25,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:25,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:25,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:25,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:25,436 INFO L87 Difference]: Start difference. First operand 3845 states and 5496 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:25,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:25,571 INFO L93 Difference]: Finished difference Result 7664 states and 11130 transitions. [2024-11-13 14:33:25,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:25,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-13 14:33:25,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:25,579 INFO L225 Difference]: With dead ends: 7664 [2024-11-13 14:33:25,580 INFO L226 Difference]: Without dead ends: 4134 [2024-11-13 14:33:25,584 INFO L431 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 [2024-11-13 14:33:25,585 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 460 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:25,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 845 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:25,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4134 states. [2024-11-13 14:33:25,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4134 to 3399. [2024-11-13 14:33:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3399 states, 3395 states have (on average 1.4435935198821797) internal successors, (4901), 3398 states have internal predecessors, (4901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 4901 transitions. [2024-11-13 14:33:25,643 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 4901 transitions. Word has length 55 [2024-11-13 14:33:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:25,644 INFO L471 AbstractCegarLoop]: Abstraction has 3399 states and 4901 transitions. [2024-11-13 14:33:25,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 4901 transitions. [2024-11-13 14:33:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 14:33:25,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:25,645 INFO L215 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] [2024-11-13 14:33:25,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:33:25,645 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:25,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:25,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1871407914, now seen corresponding path program 1 times [2024-11-13 14:33:25,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:25,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032055724] [2024-11-13 14:33:25,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:25,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:26,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:26,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:26,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032055724] [2024-11-13 14:33:26,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032055724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:26,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:26,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:33:26,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221854122] [2024-11-13 14:33:26,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:26,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:33:26,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:26,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:33:26,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:33:26,520 INFO L87 Difference]: Start difference. First operand 3399 states and 4901 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) [2024-11-13 14:33:27,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:27,788 INFO L93 Difference]: Finished difference Result 6894 states and 9992 transitions. [2024-11-13 14:33:27,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:33:27,789 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 [2024-11-13 14:33:27,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:27,803 INFO L225 Difference]: With dead ends: 6894 [2024-11-13 14:33:27,804 INFO L226 Difference]: Without dead ends: 6746 [2024-11-13 14:33:27,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:33:27,807 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 2957 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 4065 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:27,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 4065 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:33:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6746 states. [2024-11-13 14:33:27,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6746 to 3347. [2024-11-13 14:33:27,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3347 states, 3344 states have (on average 1.444078947368421) internal successors, (4829), 3346 states have internal predecessors, (4829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 3347 states and 4829 transitions. [2024-11-13 14:33:27,875 INFO L78 Accepts]: Start accepts. Automaton has 3347 states and 4829 transitions. Word has length 56 [2024-11-13 14:33:27,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:27,875 INFO L471 AbstractCegarLoop]: Abstraction has 3347 states and 4829 transitions. [2024-11-13 14:33:27,875 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) [2024-11-13 14:33:27,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3347 states and 4829 transitions. [2024-11-13 14:33:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 14:33:27,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:27,877 INFO L215 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] [2024-11-13 14:33:27,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:33:27,879 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:27,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:27,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1094868748, now seen corresponding path program 1 times [2024-11-13 14:33:27,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:27,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386769864] [2024-11-13 14:33:27,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:27,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:28,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:28,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386769864] [2024-11-13 14:33:28,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386769864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:28,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:28,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 14:33:28,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909331885] [2024-11-13 14:33:28,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:28,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:33:28,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:28,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:33:28,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:33:28,553 INFO L87 Difference]: Start difference. First operand 3347 states and 4829 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) [2024-11-13 14:33:29,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:29,395 INFO L93 Difference]: Finished difference Result 6797 states and 9890 transitions. [2024-11-13 14:33:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:33:29,396 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 [2024-11-13 14:33:29,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:29,408 INFO L225 Difference]: With dead ends: 6797 [2024-11-13 14:33:29,408 INFO L226 Difference]: Without dead ends: 6653 [2024-11-13 14:33:29,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-11-13 14:33:29,411 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 3890 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3890 SdHoareTripleChecker+Valid, 1977 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:29,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3890 Valid, 1977 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:33:29,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6653 states. [2024-11-13 14:33:29,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6653 to 3299. [2024-11-13 14:33:29,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3299 states, 3298 states have (on average 1.4460278956943602) internal successors, (4769), 3298 states have internal predecessors, (4769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4769 transitions. [2024-11-13 14:33:29,477 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4769 transitions. Word has length 56 [2024-11-13 14:33:29,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:29,478 INFO L471 AbstractCegarLoop]: Abstraction has 3299 states and 4769 transitions. [2024-11-13 14:33:29,478 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) [2024-11-13 14:33:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4769 transitions. [2024-11-13 14:33:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 14:33:29,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:29,480 INFO L215 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] [2024-11-13 14:33:29,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:33:29,481 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:29,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:29,482 INFO L85 PathProgramCache]: Analyzing trace with hash -101338621, now seen corresponding path program 1 times [2024-11-13 14:33:29,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:29,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932870589] [2024-11-13 14:33:29,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:29,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:29,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:29,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932870589] [2024-11-13 14:33:29,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932870589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:29,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:29,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:33:29,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862938051] [2024-11-13 14:33:29,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:29,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:29,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:29,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:29,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:29,604 INFO L87 Difference]: Start difference. First operand 3299 states and 4769 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:29,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:29,730 INFO L93 Difference]: Finished difference Result 10256 states and 15162 transitions. [2024-11-13 14:33:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:29,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-11-13 14:33:29,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:29,752 INFO L225 Difference]: With dead ends: 10256 [2024-11-13 14:33:29,752 INFO L226 Difference]: Without dead ends: 7534 [2024-11-13 14:33:29,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:33:29,757 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 1628 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:29,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1628 Valid, 952 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:29,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7534 states. [2024-11-13 14:33:29,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7534 to 5718. [2024-11-13 14:33:29,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5718 states, 5717 states have (on average 1.4455133811439567) internal successors, (8264), 5717 states have internal predecessors, (8264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5718 states to 5718 states and 8264 transitions. [2024-11-13 14:33:29,853 INFO L78 Accepts]: Start accepts. Automaton has 5718 states and 8264 transitions. Word has length 63 [2024-11-13 14:33:29,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:29,853 INFO L471 AbstractCegarLoop]: Abstraction has 5718 states and 8264 transitions. [2024-11-13 14:33:29,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:29,854 INFO L276 IsEmpty]: Start isEmpty. Operand 5718 states and 8264 transitions. [2024-11-13 14:33:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 14:33:29,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:29,857 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:29,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:33:29,857 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:29,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:29,857 INFO L85 PathProgramCache]: Analyzing trace with hash 838129574, now seen corresponding path program 1 times [2024-11-13 14:33:29,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:29,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241254587] [2024-11-13 14:33:29,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:29,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:30,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:30,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241254587] [2024-11-13 14:33:30,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241254587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:30,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:30,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:33:30,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747352618] [2024-11-13 14:33:30,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:30,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:30,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:30,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:30,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:30,030 INFO L87 Difference]: Start difference. First operand 5718 states and 8264 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:30,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:30,146 INFO L93 Difference]: Finished difference Result 9724 states and 14141 transitions. [2024-11-13 14:33:30,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:30,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-13 14:33:30,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:30,157 INFO L225 Difference]: With dead ends: 9724 [2024-11-13 14:33:30,157 INFO L226 Difference]: Without dead ends: 4562 [2024-11-13 14:33:30,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:30,162 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 910 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:30,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [910 Valid, 821 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:30,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4562 states. [2024-11-13 14:33:30,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4562 to 4558. [2024-11-13 14:33:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4558 states, 4557 states have (on average 1.4318630678077682) internal successors, (6525), 4557 states have internal predecessors, (6525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4558 states to 4558 states and 6525 transitions. [2024-11-13 14:33:30,219 INFO L78 Accepts]: Start accepts. Automaton has 4558 states and 6525 transitions. Word has length 64 [2024-11-13 14:33:30,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:30,219 INFO L471 AbstractCegarLoop]: Abstraction has 4558 states and 6525 transitions. [2024-11-13 14:33:30,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4558 states and 6525 transitions. [2024-11-13 14:33:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 14:33:30,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:30,223 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:30,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:33:30,223 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:30,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:30,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1809556404, now seen corresponding path program 1 times [2024-11-13 14:33:30,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:30,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456229824] [2024-11-13 14:33:30,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:30,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:30,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:30,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456229824] [2024-11-13 14:33:30,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456229824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:30,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:30,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:30,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036821752] [2024-11-13 14:33:30,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:30,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:30,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:30,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:30,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:30,352 INFO L87 Difference]: Start difference. First operand 4558 states and 6525 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:30,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:30,444 INFO L93 Difference]: Finished difference Result 12182 states and 17659 transitions. [2024-11-13 14:33:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:30,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-13 14:33:30,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:30,461 INFO L225 Difference]: With dead ends: 12182 [2024-11-13 14:33:30,461 INFO L226 Difference]: Without dead ends: 8158 [2024-11-13 14:33:30,467 INFO L431 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 [2024-11-13 14:33:30,468 INFO L432 NwaCegarLoop]: 554 mSDtfsCounter, 298 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:30,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 782 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:30,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8158 states. [2024-11-13 14:33:30,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8158 to 7644. [2024-11-13 14:33:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7644 states, 7643 states have (on average 1.4353002747612194) internal successors, (10970), 7643 states have internal predecessors, (10970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7644 states to 7644 states and 10970 transitions. [2024-11-13 14:33:30,575 INFO L78 Accepts]: Start accepts. Automaton has 7644 states and 10970 transitions. Word has length 66 [2024-11-13 14:33:30,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:30,575 INFO L471 AbstractCegarLoop]: Abstraction has 7644 states and 10970 transitions. [2024-11-13 14:33:30,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 7644 states and 10970 transitions. [2024-11-13 14:33:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 14:33:30,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:30,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:30,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:33:30,578 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:30,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:30,578 INFO L85 PathProgramCache]: Analyzing trace with hash 827517135, now seen corresponding path program 1 times [2024-11-13 14:33:30,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:30,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153582573] [2024-11-13 14:33:30,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:30,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:30,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153582573] [2024-11-13 14:33:30,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153582573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:30,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:30,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:30,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108461720] [2024-11-13 14:33:30,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:30,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:30,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:30,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:30,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:30,702 INFO L87 Difference]: Start difference. First operand 7644 states and 10970 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:30,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:30,805 INFO L93 Difference]: Finished difference Result 21104 states and 30452 transitions. [2024-11-13 14:33:30,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:30,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-13 14:33:30,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:30,836 INFO L225 Difference]: With dead ends: 21104 [2024-11-13 14:33:30,836 INFO L226 Difference]: Without dead ends: 13994 [2024-11-13 14:33:30,845 INFO L431 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 [2024-11-13 14:33:30,845 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 258 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:30,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 803 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:30,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13994 states. [2024-11-13 14:33:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13994 to 12968. [2024-11-13 14:33:31,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12968 states, 12967 states have (on average 1.4299375337394926) internal successors, (18542), 12967 states have internal predecessors, (18542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12968 states to 12968 states and 18542 transitions. [2024-11-13 14:33:31,069 INFO L78 Accepts]: Start accepts. Automaton has 12968 states and 18542 transitions. Word has length 66 [2024-11-13 14:33:31,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:31,069 INFO L471 AbstractCegarLoop]: Abstraction has 12968 states and 18542 transitions. [2024-11-13 14:33:31,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 12968 states and 18542 transitions. [2024-11-13 14:33:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 14:33:31,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:31,072 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:31,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:33:31,072 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:31,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:31,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1051118849, now seen corresponding path program 1 times [2024-11-13 14:33:31,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:31,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715745684] [2024-11-13 14:33:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:31,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:31,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:31,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715745684] [2024-11-13 14:33:31,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715745684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:31,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:31,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:33:31,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338271248] [2024-11-13 14:33:31,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:31,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:33:31,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:31,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:33:31,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:33:31,367 INFO L87 Difference]: Start difference. First operand 12968 states and 18542 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:32,482 INFO L93 Difference]: Finished difference Result 28104 states and 39784 transitions. [2024-11-13 14:33:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:33:32,483 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-13 14:33:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:32,520 INFO L225 Difference]: With dead ends: 28104 [2024-11-13 14:33:32,521 INFO L226 Difference]: Without dead ends: 19249 [2024-11-13 14:33:32,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:33:32,532 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 2318 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:32,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 1170 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:33:32,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19249 states. [2024-11-13 14:33:32,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19249 to 12948. [2024-11-13 14:33:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12948 states, 12947 states have (on average 1.4303699698771917) internal successors, (18519), 12947 states have internal predecessors, (18519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12948 states to 12948 states and 18519 transitions. [2024-11-13 14:33:32,891 INFO L78 Accepts]: Start accepts. Automaton has 12948 states and 18519 transitions. Word has length 68 [2024-11-13 14:33:32,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:32,892 INFO L471 AbstractCegarLoop]: Abstraction has 12948 states and 18519 transitions. [2024-11-13 14:33:32,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:32,892 INFO L276 IsEmpty]: Start isEmpty. Operand 12948 states and 18519 transitions. [2024-11-13 14:33:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 14:33:32,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:32,895 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:32,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:33:32,895 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:32,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:32,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1041744755, now seen corresponding path program 1 times [2024-11-13 14:33:32,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:32,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928094208] [2024-11-13 14:33:32,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:32,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:33,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:33,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928094208] [2024-11-13 14:33:33,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928094208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:33,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:33,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:33:33,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946120133] [2024-11-13 14:33:33,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:33,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:33:33,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:33,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:33:33,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:33:33,253 INFO L87 Difference]: Start difference. First operand 12948 states and 18519 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:33,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:33,326 INFO L93 Difference]: Finished difference Result 14054 states and 19992 transitions. [2024-11-13 14:33:33,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:33:33,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-13 14:33:33,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:33,358 INFO L225 Difference]: With dead ends: 14054 [2024-11-13 14:33:33,358 INFO L226 Difference]: Without dead ends: 14052 [2024-11-13 14:33:33,363 INFO L431 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 [2024-11-13 14:33:33,365 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 0 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2405 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:33,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2405 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:33:33,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14052 states. [2024-11-13 14:33:33,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14052 to 14052. [2024-11-13 14:33:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14052 states, 14051 states have (on average 1.3965554053092306) internal successors, (19623), 14051 states have internal predecessors, (19623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:33,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14052 states to 14052 states and 19623 transitions. [2024-11-13 14:33:33,578 INFO L78 Accepts]: Start accepts. Automaton has 14052 states and 19623 transitions. Word has length 69 [2024-11-13 14:33:33,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:33,579 INFO L471 AbstractCegarLoop]: Abstraction has 14052 states and 19623 transitions. [2024-11-13 14:33:33,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 14052 states and 19623 transitions. [2024-11-13 14:33:33,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 14:33:33,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:33,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:33,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:33:33,582 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:33,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash -2108754892, now seen corresponding path program 1 times [2024-11-13 14:33:33,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:33,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801866434] [2024-11-13 14:33:33,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:33,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:33,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:33,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801866434] [2024-11-13 14:33:33,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801866434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:33,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:33,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:33,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586517875] [2024-11-13 14:33:33,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:33,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:33,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:33,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:33,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:33,710 INFO L87 Difference]: Start difference. First operand 14052 states and 19623 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:33,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:33,854 INFO L93 Difference]: Finished difference Result 38052 states and 53259 transitions. [2024-11-13 14:33:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:33,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-13 14:33:33,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:33,902 INFO L225 Difference]: With dead ends: 38052 [2024-11-13 14:33:33,903 INFO L226 Difference]: Without dead ends: 24502 [2024-11-13 14:33:33,918 INFO L431 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 [2024-11-13 14:33:33,919 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 298 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:33,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 698 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:33,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24502 states. [2024-11-13 14:33:34,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24502 to 24132. [2024-11-13 14:33:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24132 states, 24131 states have (on average 1.3717210227508185) internal successors, (33101), 24131 states have internal predecessors, (33101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24132 states to 24132 states and 33101 transitions. [2024-11-13 14:33:34,222 INFO L78 Accepts]: Start accepts. Automaton has 24132 states and 33101 transitions. Word has length 70 [2024-11-13 14:33:34,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:34,223 INFO L471 AbstractCegarLoop]: Abstraction has 24132 states and 33101 transitions. [2024-11-13 14:33:34,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24132 states and 33101 transitions. [2024-11-13 14:33:34,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 14:33:34,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:34,225 INFO L215 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] [2024-11-13 14:33:34,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 14:33:34,226 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:34,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:34,226 INFO L85 PathProgramCache]: Analyzing trace with hash -761417871, now seen corresponding path program 1 times [2024-11-13 14:33:34,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:34,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915740627] [2024-11-13 14:33:34,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:34,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:34,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915740627] [2024-11-13 14:33:34,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915740627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:34,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:34,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:33:34,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546775928] [2024-11-13 14:33:34,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:34,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:34,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:34,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:34,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:34,361 INFO L87 Difference]: Start difference. First operand 24132 states and 33101 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:34,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:34,563 INFO L93 Difference]: Finished difference Result 41414 states and 56971 transitions. [2024-11-13 14:33:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:34,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2024-11-13 14:33:34,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:34,641 INFO L225 Difference]: With dead ends: 41414 [2024-11-13 14:33:34,641 INFO L226 Difference]: Without dead ends: 34332 [2024-11-13 14:33:34,654 INFO L431 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 [2024-11-13 14:33:34,656 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 1043 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:34,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 1192 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:34,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34332 states. [2024-11-13 14:33:35,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34332 to 29878. [2024-11-13 14:33:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29878 states, 29877 states have (on average 1.3669043076614118) internal successors, (40839), 29877 states have internal predecessors, (40839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29878 states to 29878 states and 40839 transitions. [2024-11-13 14:33:35,128 INFO L78 Accepts]: Start accepts. Automaton has 29878 states and 40839 transitions. Word has length 73 [2024-11-13 14:33:35,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:35,129 INFO L471 AbstractCegarLoop]: Abstraction has 29878 states and 40839 transitions. [2024-11-13 14:33:35,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 29878 states and 40839 transitions. [2024-11-13 14:33:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 14:33:35,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:35,132 INFO L215 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] [2024-11-13 14:33:35,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 14:33:35,133 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:35,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:35,133 INFO L85 PathProgramCache]: Analyzing trace with hash -669489783, now seen corresponding path program 1 times [2024-11-13 14:33:35,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:35,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99611831] [2024-11-13 14:33:35,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:35,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:35,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:35,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99611831] [2024-11-13 14:33:35,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99611831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:35,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:35,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:33:35,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539618086] [2024-11-13 14:33:35,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:35,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:35,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:35,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:35,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:35,265 INFO L87 Difference]: Start difference. First operand 29878 states and 40839 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:35,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:35,472 INFO L93 Difference]: Finished difference Result 44982 states and 61699 transitions. [2024-11-13 14:33:35,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:35,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-13 14:33:35,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:35,555 INFO L225 Difference]: With dead ends: 44982 [2024-11-13 14:33:35,556 INFO L226 Difference]: Without dead ends: 37900 [2024-11-13 14:33:35,568 INFO L431 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 [2024-11-13 14:33:35,570 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 980 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:35,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 1249 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:35,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37900 states. [2024-11-13 14:33:36,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37900 to 35622. [2024-11-13 14:33:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35622 states, 35621 states have (on average 1.3636618848432105) internal successors, (48575), 35621 states have internal predecessors, (48575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35622 states to 35622 states and 48575 transitions. [2024-11-13 14:33:36,134 INFO L78 Accepts]: Start accepts. Automaton has 35622 states and 48575 transitions. Word has length 74 [2024-11-13 14:33:36,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:36,134 INFO L471 AbstractCegarLoop]: Abstraction has 35622 states and 48575 transitions. [2024-11-13 14:33:36,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 35622 states and 48575 transitions. [2024-11-13 14:33:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 14:33:36,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:36,138 INFO L215 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] [2024-11-13 14:33:36,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 14:33:36,138 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:36,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:36,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1856624705, now seen corresponding path program 1 times [2024-11-13 14:33:36,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:36,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641720831] [2024-11-13 14:33:36,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:36,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:36,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:36,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641720831] [2024-11-13 14:33:36,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641720831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:36,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:36,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:33:36,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652768233] [2024-11-13 14:33:36,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:36,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:36,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:36,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:36,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:36,285 INFO L87 Difference]: Start difference. First operand 35622 states and 48575 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:36,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:36,660 INFO L93 Difference]: Finished difference Result 52846 states and 72323 transitions. [2024-11-13 14:33:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:36,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-13 14:33:36,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:36,744 INFO L225 Difference]: With dead ends: 52846 [2024-11-13 14:33:36,744 INFO L226 Difference]: Without dead ends: 44140 [2024-11-13 14:33:36,758 INFO L431 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 [2024-11-13 14:33:36,759 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 987 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:36,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 1204 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:36,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44140 states. [2024-11-13 14:33:37,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44140 to 41862. [2024-11-13 14:33:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41862 states, 41861 states have (on average 1.3599054012087624) internal successors, (56927), 41861 states have internal predecessors, (56927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41862 states to 41862 states and 56927 transitions. [2024-11-13 14:33:37,535 INFO L78 Accepts]: Start accepts. Automaton has 41862 states and 56927 transitions. Word has length 74 [2024-11-13 14:33:37,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:37,537 INFO L471 AbstractCegarLoop]: Abstraction has 41862 states and 56927 transitions. [2024-11-13 14:33:37,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 41862 states and 56927 transitions. [2024-11-13 14:33:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 14:33:37,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:37,544 INFO L215 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] [2024-11-13 14:33:37,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 14:33:37,545 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:37,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:37,545 INFO L85 PathProgramCache]: Analyzing trace with hash 324913683, now seen corresponding path program 1 times [2024-11-13 14:33:37,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:37,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981853978] [2024-11-13 14:33:37,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:37,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:37,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:37,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981853978] [2024-11-13 14:33:37,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981853978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:37,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:37,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:33:37,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997796767] [2024-11-13 14:33:37,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:37,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:37,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:37,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:37,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:37,783 INFO L87 Difference]: Start difference. First operand 41862 states and 56927 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 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) [2024-11-13 14:33:38,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:38,106 INFO L93 Difference]: Finished difference Result 56652 states and 77162 transitions. [2024-11-13 14:33:38,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:38,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 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 [2024-11-13 14:33:38,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:38,213 INFO L225 Difference]: With dead ends: 56652 [2024-11-13 14:33:38,213 INFO L226 Difference]: Without dead ends: 43826 [2024-11-13 14:33:38,233 INFO L431 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 [2024-11-13 14:33:38,234 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 996 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:38,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 1240 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:38,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43826 states. [2024-11-13 14:33:38,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43826 to 41550. [2024-11-13 14:33:38,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41550 states, 41549 states have (on average 1.3576018676743122) internal successors, (56407), 41549 states have internal predecessors, (56407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41550 states to 41550 states and 56407 transitions. [2024-11-13 14:33:38,947 INFO L78 Accepts]: Start accepts. Automaton has 41550 states and 56407 transitions. Word has length 81 [2024-11-13 14:33:38,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:38,947 INFO L471 AbstractCegarLoop]: Abstraction has 41550 states and 56407 transitions. [2024-11-13 14:33:38,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 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) [2024-11-13 14:33:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 41550 states and 56407 transitions. [2024-11-13 14:33:38,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 14:33:38,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:38,953 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:38,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 14:33:38,953 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:38,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:38,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2144075086, now seen corresponding path program 1 times [2024-11-13 14:33:38,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:38,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890562985] [2024-11-13 14:33:38,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:38,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:39,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:39,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890562985] [2024-11-13 14:33:39,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890562985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:39,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:39,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:33:39,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879031264] [2024-11-13 14:33:39,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:39,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:33:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:39,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:33:39,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:33:39,123 INFO L87 Difference]: Start difference. First operand 41550 states and 56407 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:39,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:39,860 INFO L93 Difference]: Finished difference Result 50911 states and 68998 transitions. [2024-11-13 14:33:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:33:39,861 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-13 14:33:39,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:39,944 INFO L225 Difference]: With dead ends: 50911 [2024-11-13 14:33:39,945 INFO L226 Difference]: Without dead ends: 49818 [2024-11-13 14:33:39,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:33:39,960 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 2017 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:39,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 585 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:33:39,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49818 states. [2024-11-13 14:33:40,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49818 to 41545. [2024-11-13 14:33:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41545 states, 41544 states have (on average 1.3575486231465435) internal successors, (56398), 41544 states have internal predecessors, (56398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:40,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41545 states to 41545 states and 56398 transitions. [2024-11-13 14:33:40,802 INFO L78 Accepts]: Start accepts. Automaton has 41545 states and 56398 transitions. Word has length 82 [2024-11-13 14:33:40,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:40,802 INFO L471 AbstractCegarLoop]: Abstraction has 41545 states and 56398 transitions. [2024-11-13 14:33:40,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 41545 states and 56398 transitions. [2024-11-13 14:33:40,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 14:33:40,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:40,812 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:33:40,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 14:33:40,813 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:40,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:40,813 INFO L85 PathProgramCache]: Analyzing trace with hash 730861950, now seen corresponding path program 1 times [2024-11-13 14:33:40,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:40,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005528913] [2024-11-13 14:33:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:40,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:41,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:41,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005528913] [2024-11-13 14:33:41,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005528913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:41,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:41,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:33:41,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967175576] [2024-11-13 14:33:41,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:41,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:33:41,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:41,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:33:41,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:33:41,377 INFO L87 Difference]: Start difference. First operand 41545 states and 56398 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:42,909 INFO L93 Difference]: Finished difference Result 96738 states and 130084 transitions. [2024-11-13 14:33:42,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:33:42,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-11-13 14:33:42,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:42,970 INFO L225 Difference]: With dead ends: 96738 [2024-11-13 14:33:42,971 INFO L226 Difference]: Without dead ends: 65536 [2024-11-13 14:33:42,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:33:42,987 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 2178 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2178 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:42,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2178 Valid, 1490 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:33:43,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65536 states. [2024-11-13 14:33:43,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65536 to 42019. [2024-11-13 14:33:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42019 states, 42018 states have (on average 1.3562520824408586) internal successors, (56987), 42018 states have internal predecessors, (56987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42019 states to 42019 states and 56987 transitions. [2024-11-13 14:33:43,859 INFO L78 Accepts]: Start accepts. Automaton has 42019 states and 56987 transitions. Word has length 89 [2024-11-13 14:33:43,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:43,859 INFO L471 AbstractCegarLoop]: Abstraction has 42019 states and 56987 transitions. [2024-11-13 14:33:43,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 42019 states and 56987 transitions. [2024-11-13 14:33:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 14:33:43,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:43,867 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:33:43,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 14:33:43,867 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:43,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:43,868 INFO L85 PathProgramCache]: Analyzing trace with hash -167089379, now seen corresponding path program 1 times [2024-11-13 14:33:43,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:43,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921915720] [2024-11-13 14:33:43,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:43,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 14:33:44,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:44,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921915720] [2024-11-13 14:33:44,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921915720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:44,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:44,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:33:44,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555806814] [2024-11-13 14:33:44,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:44,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:33:44,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:44,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:33:44,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:33:44,303 INFO L87 Difference]: Start difference. First operand 42019 states and 56987 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:45,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:45,430 INFO L93 Difference]: Finished difference Result 74368 states and 100419 transitions. [2024-11-13 14:33:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:33:45,431 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-13 14:33:45,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:45,486 INFO L225 Difference]: With dead ends: 74368 [2024-11-13 14:33:45,486 INFO L226 Difference]: Without dead ends: 58846 [2024-11-13 14:33:45,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:33:45,502 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 2475 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2475 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:45,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2475 Valid, 1058 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:33:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58846 states. [2024-11-13 14:33:46,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58846 to 42003. [2024-11-13 14:33:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42003 states, 42002 states have (on average 1.3563401742774153) internal successors, (56969), 42002 states have internal predecessors, (56969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42003 states to 42003 states and 56969 transitions. [2024-11-13 14:33:46,130 INFO L78 Accepts]: Start accepts. Automaton has 42003 states and 56969 transitions. Word has length 89 [2024-11-13 14:33:46,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:46,130 INFO L471 AbstractCegarLoop]: Abstraction has 42003 states and 56969 transitions. [2024-11-13 14:33:46,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 42003 states and 56969 transitions. [2024-11-13 14:33:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 14:33:46,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:46,144 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:33:46,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 14:33:46,144 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:46,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:46,145 INFO L85 PathProgramCache]: Analyzing trace with hash 964121325, now seen corresponding path program 1 times [2024-11-13 14:33:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:46,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107390550] [2024-11-13 14:33:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:46,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:46,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107390550] [2024-11-13 14:33:46,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107390550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:46,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:46,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 14:33:46,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799906095] [2024-11-13 14:33:46,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:46,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:33:46,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:46,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:33:46,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:33:46,854 INFO L87 Difference]: Start difference. First operand 42003 states and 56969 transitions. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:48,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:48,533 INFO L93 Difference]: Finished difference Result 84599 states and 113615 transitions. [2024-11-13 14:33:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:33:48,534 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-11-13 14:33:48,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:48,593 INFO L225 Difference]: With dead ends: 84599 [2024-11-13 14:33:48,594 INFO L226 Difference]: Without dead ends: 69173 [2024-11-13 14:33:48,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2024-11-13 14:33:48,605 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 2064 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:48,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 1529 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 14:33:48,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69173 states. [2024-11-13 14:33:49,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69173 to 60513. [2024-11-13 14:33:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60513 states, 60512 states have (on average 1.3490216816499208) internal successors, (81632), 60512 states have internal predecessors, (81632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:49,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60513 states to 60513 states and 81632 transitions. [2024-11-13 14:33:49,429 INFO L78 Accepts]: Start accepts. Automaton has 60513 states and 81632 transitions. Word has length 89 [2024-11-13 14:33:49,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:49,433 INFO L471 AbstractCegarLoop]: Abstraction has 60513 states and 81632 transitions. [2024-11-13 14:33:49,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 60513 states and 81632 transitions. [2024-11-13 14:33:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 14:33:49,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:49,454 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:33:49,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 14:33:49,454 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:49,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:49,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1490479423, now seen corresponding path program 1 times [2024-11-13 14:33:49,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:49,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359306330] [2024-11-13 14:33:49,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:49,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:49,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:49,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359306330] [2024-11-13 14:33:49,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359306330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:49,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:49,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:49,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680630885] [2024-11-13 14:33:49,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:49,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:49,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:49,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:49,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:49,630 INFO L87 Difference]: Start difference. First operand 60513 states and 81632 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:50,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:50,190 INFO L93 Difference]: Finished difference Result 119957 states and 162002 transitions. [2024-11-13 14:33:50,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:50,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-13 14:33:50,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:50,250 INFO L225 Difference]: With dead ends: 119957 [2024-11-13 14:33:50,250 INFO L226 Difference]: Without dead ends: 60515 [2024-11-13 14:33:50,276 INFO L431 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 [2024-11-13 14:33:50,277 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 173 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:50,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 820 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:50,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60515 states. [2024-11-13 14:33:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60515 to 60513. [2024-11-13 14:33:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60513 states, 60512 states have (on average 1.3338180856689583) internal successors, (80712), 60512 states have internal predecessors, (80712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60513 states to 60513 states and 80712 transitions. [2024-11-13 14:33:51,205 INFO L78 Accepts]: Start accepts. Automaton has 60513 states and 80712 transitions. Word has length 90 [2024-11-13 14:33:51,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:51,206 INFO L471 AbstractCegarLoop]: Abstraction has 60513 states and 80712 transitions. [2024-11-13 14:33:51,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:51,206 INFO L276 IsEmpty]: Start isEmpty. Operand 60513 states and 80712 transitions. [2024-11-13 14:33:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 14:33:51,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:51,220 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:33:51,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 14:33:51,221 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:51,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:51,221 INFO L85 PathProgramCache]: Analyzing trace with hash -324068378, now seen corresponding path program 1 times [2024-11-13 14:33:51,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:51,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210046565] [2024-11-13 14:33:51,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:51,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:51,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:51,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210046565] [2024-11-13 14:33:51,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210046565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:33:51,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202656620] [2024-11-13 14:33:51,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:51,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:33:51,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:33:51,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:33:51,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:33:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:52,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:33:52,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:33:54,537 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 14:33:54,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:33:54,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202656620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:54,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:33:54,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-13 14:33:54,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601056446] [2024-11-13 14:33:54,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:54,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:33:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:54,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:33:54,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:33:54,543 INFO L87 Difference]: Start difference. First operand 60513 states and 80712 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:56,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:56,785 INFO L93 Difference]: Finished difference Result 202187 states and 268443 transitions. [2024-11-13 14:33:56,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 14:33:56,786 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 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 90 [2024-11-13 14:33:56,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:56,946 INFO L225 Difference]: With dead ends: 202187 [2024-11-13 14:33:56,946 INFO L226 Difference]: Without dead ends: 159566 [2024-11-13 14:33:56,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2024-11-13 14:33:56,986 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 2592 mSDsluCounter, 3101 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2592 SdHoareTripleChecker+Valid, 3584 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:56,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2592 Valid, 3584 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:33:57,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159566 states. [2024-11-13 14:33:58,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159566 to 60473. [2024-11-13 14:33:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60473 states, 60472 states have (on average 1.3339231379812144) internal successors, (80665), 60472 states have internal predecessors, (80665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:58,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60473 states to 60473 states and 80665 transitions. [2024-11-13 14:33:58,336 INFO L78 Accepts]: Start accepts. Automaton has 60473 states and 80665 transitions. Word has length 90 [2024-11-13 14:33:58,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:58,337 INFO L471 AbstractCegarLoop]: Abstraction has 60473 states and 80665 transitions. [2024-11-13 14:33:58,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 60473 states and 80665 transitions. [2024-11-13 14:33:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 14:33:58,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:58,348 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:33:58,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:33:58,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:33:58,553 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:33:58,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:58,554 INFO L85 PathProgramCache]: Analyzing trace with hash 932069791, now seen corresponding path program 1 times [2024-11-13 14:33:58,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:58,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602117289] [2024-11-13 14:33:58,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:58,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:33:59,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:59,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602117289] [2024-11-13 14:33:59,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602117289] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:33:59,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000277047] [2024-11-13 14:33:59,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:59,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:33:59,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:33:59,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:33:59,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:33:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:59,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:33:59,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:00,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:00,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:34:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:02,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000277047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:34:02,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:34:02,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 28 [2024-11-13 14:34:02,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062318701] [2024-11-13 14:34:02,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:34:02,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 14:34:02,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:02,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 14:34:02,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2024-11-13 14:34:02,292 INFO L87 Difference]: Start difference. First operand 60473 states and 80665 transitions. Second operand has 29 states, 29 states have (on average 8.0) internal successors, (232), 28 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:17,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:17,768 INFO L93 Difference]: Finished difference Result 449891 states and 594663 transitions. [2024-11-13 14:34:17,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-11-13 14:34:17,769 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 28 states have internal predecessors, (232), 0 states have call successors, (0), 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 90 [2024-11-13 14:34:17,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:18,487 INFO L225 Difference]: With dead ends: 449891 [2024-11-13 14:34:18,487 INFO L226 Difference]: Without dead ends: 428753 [2024-11-13 14:34:18,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9367 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=4750, Invalid=22972, Unknown=0, NotChecked=0, Total=27722 [2024-11-13 14:34:18,529 INFO L432 NwaCegarLoop]: 491 mSDtfsCounter, 7201 mSDsluCounter, 6756 mSDsCounter, 0 mSdLazyCounter, 8468 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7201 SdHoareTripleChecker+Valid, 7247 SdHoareTripleChecker+Invalid, 8660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 8468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:18,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7201 Valid, 7247 Invalid, 8660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [192 Valid, 8468 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-13 14:34:18,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428753 states. [2024-11-13 14:34:21,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428753 to 60862. [2024-11-13 14:34:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60862 states, 60861 states have (on average 1.3339577069059003) internal successors, (81186), 60861 states have internal predecessors, (81186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60862 states to 60862 states and 81186 transitions. [2024-11-13 14:34:21,279 INFO L78 Accepts]: Start accepts. Automaton has 60862 states and 81186 transitions. Word has length 90 [2024-11-13 14:34:21,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:21,279 INFO L471 AbstractCegarLoop]: Abstraction has 60862 states and 81186 transitions. [2024-11-13 14:34:21,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 28 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:21,279 INFO L276 IsEmpty]: Start isEmpty. Operand 60862 states and 81186 transitions. [2024-11-13 14:34:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 14:34:21,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:21,288 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:21,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:34:21,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:21,488 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:21,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:21,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1482359119, now seen corresponding path program 1 times [2024-11-13 14:34:21,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:21,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035000720] [2024-11-13 14:34:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:21,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 14:34:21,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:21,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035000720] [2024-11-13 14:34:21,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035000720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:21,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:21,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:34:21,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168541498] [2024-11-13 14:34:21,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:21,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:34:21,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:21,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:34:21,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:21,872 INFO L87 Difference]: Start difference. First operand 60862 states and 81186 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:23,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:23,195 INFO L93 Difference]: Finished difference Result 154093 states and 205201 transitions. [2024-11-13 14:34:23,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:34:23,195 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 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 90 [2024-11-13 14:34:23,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:23,313 INFO L225 Difference]: With dead ends: 154093 [2024-11-13 14:34:23,313 INFO L226 Difference]: Without dead ends: 120257 [2024-11-13 14:34:23,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:34:23,342 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 1558 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:23,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 1285 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:34:23,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120257 states. [2024-11-13 14:34:24,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120257 to 60850. [2024-11-13 14:34:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60850 states, 60849 states have (on average 1.3340071324097356) internal successors, (81173), 60849 states have internal predecessors, (81173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60850 states to 60850 states and 81173 transitions. [2024-11-13 14:34:24,376 INFO L78 Accepts]: Start accepts. Automaton has 60850 states and 81173 transitions. Word has length 90 [2024-11-13 14:34:24,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:24,376 INFO L471 AbstractCegarLoop]: Abstraction has 60850 states and 81173 transitions. [2024-11-13 14:34:24,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 60850 states and 81173 transitions. [2024-11-13 14:34:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 14:34:24,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:24,383 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:24,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 14:34:24,383 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:24,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:24,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1141325200, now seen corresponding path program 1 times [2024-11-13 14:34:24,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:24,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508504430] [2024-11-13 14:34:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:24,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:24,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:24,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508504430] [2024-11-13 14:34:24,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508504430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:24,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:24,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:34:24,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771946536] [2024-11-13 14:34:24,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:24,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:34:24,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:24,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:34:24,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:34:24,486 INFO L87 Difference]: Start difference. First operand 60850 states and 81173 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:25,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:25,036 INFO L93 Difference]: Finished difference Result 90574 states and 120919 transitions. [2024-11-13 14:34:25,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:34:25,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-11-13 14:34:25,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:25,071 INFO L225 Difference]: With dead ends: 90574 [2024-11-13 14:34:25,071 INFO L226 Difference]: Without dead ends: 31132 [2024-11-13 14:34:25,090 INFO L431 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 [2024-11-13 14:34:25,091 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 173 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:25,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 782 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:34:25,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31132 states. [2024-11-13 14:34:25,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31132 to 31130. [2024-11-13 14:34:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31130 states, 31129 states have (on average 1.3153972180282052) internal successors, (40947), 31129 states have internal predecessors, (40947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31130 states to 31130 states and 40947 transitions. [2024-11-13 14:34:25,442 INFO L78 Accepts]: Start accepts. Automaton has 31130 states and 40947 transitions. Word has length 91 [2024-11-13 14:34:25,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:25,442 INFO L471 AbstractCegarLoop]: Abstraction has 31130 states and 40947 transitions. [2024-11-13 14:34:25,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 31130 states and 40947 transitions. [2024-11-13 14:34:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 14:34:25,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:25,449 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:25,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 14:34:25,450 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:25,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:25,451 INFO L85 PathProgramCache]: Analyzing trace with hash 59884055, now seen corresponding path program 1 times [2024-11-13 14:34:25,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:25,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085401912] [2024-11-13 14:34:25,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:25,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:25,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:25,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085401912] [2024-11-13 14:34:25,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085401912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:34:25,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197601633] [2024-11-13 14:34:25,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:25,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:25,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:25,623 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:34:25,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:34:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:25,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:34:25,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:26,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:34:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:26,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197601633] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:34:26,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:34:26,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-13 14:34:26,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390574539] [2024-11-13 14:34:26,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:34:26,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:34:26,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:34:26,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:26,500 INFO L87 Difference]: Start difference. First operand 31130 states and 40947 transitions. Second operand has 8 states, 8 states have (on average 22.0) internal successors, (176), 8 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) [2024-11-13 14:34:26,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:26,866 INFO L93 Difference]: Finished difference Result 92186 states and 120247 transitions. [2024-11-13 14:34:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:34:26,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 8 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) Word has length 91 [2024-11-13 14:34:26,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:26,936 INFO L225 Difference]: With dead ends: 92186 [2024-11-13 14:34:26,936 INFO L226 Difference]: Without dead ends: 62464 [2024-11-13 14:34:26,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:26,960 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 547 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 2258 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:26,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 2258 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:34:26,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62464 states. [2024-11-13 14:34:27,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62464 to 41310. [2024-11-13 14:34:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41310 states, 41309 states have (on average 1.3068096540705416) internal successors, (53983), 41309 states have internal predecessors, (53983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:27,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41310 states to 41310 states and 53983 transitions. [2024-11-13 14:34:27,657 INFO L78 Accepts]: Start accepts. Automaton has 41310 states and 53983 transitions. Word has length 91 [2024-11-13 14:34:27,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:27,658 INFO L471 AbstractCegarLoop]: Abstraction has 41310 states and 53983 transitions. [2024-11-13 14:34:27,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 8 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) [2024-11-13 14:34:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 41310 states and 53983 transitions. [2024-11-13 14:34:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 14:34:27,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:27,667 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:27,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 14:34:27,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:27,868 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:27,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:27,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1199099763, now seen corresponding path program 1 times [2024-11-13 14:34:27,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:27,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714309815] [2024-11-13 14:34:27,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:27,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:28,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:28,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714309815] [2024-11-13 14:34:28,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714309815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:28,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:28,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:34:28,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301377419] [2024-11-13 14:34:28,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:28,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:34:28,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:28,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:34:28,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:34:28,090 INFO L87 Difference]: Start difference. First operand 41310 states and 53983 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:28,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:28,719 INFO L93 Difference]: Finished difference Result 122103 states and 158834 transitions. [2024-11-13 14:34:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:34:28,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-11-13 14:34:28,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:28,804 INFO L225 Difference]: With dead ends: 122103 [2024-11-13 14:34:28,804 INFO L226 Difference]: Without dead ends: 81877 [2024-11-13 14:34:28,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:28,832 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 846 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:28,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 723 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:34:28,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81877 states. [2024-11-13 14:34:29,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81877 to 55686. [2024-11-13 14:34:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55686 states, 55685 states have (on average 1.2709706384124988) internal successors, (70774), 55685 states have internal predecessors, (70774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55686 states to 55686 states and 70774 transitions. [2024-11-13 14:34:29,724 INFO L78 Accepts]: Start accepts. Automaton has 55686 states and 70774 transitions. Word has length 93 [2024-11-13 14:34:29,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:29,725 INFO L471 AbstractCegarLoop]: Abstraction has 55686 states and 70774 transitions. [2024-11-13 14:34:29,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 55686 states and 70774 transitions. [2024-11-13 14:34:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 14:34:29,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:29,730 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:29,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 14:34:29,730 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:29,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:29,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1624005461, now seen corresponding path program 1 times [2024-11-13 14:34:29,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:29,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955623764] [2024-11-13 14:34:29,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:29,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:29,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:29,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955623764] [2024-11-13 14:34:29,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955623764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:29,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:29,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:34:29,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653918998] [2024-11-13 14:34:29,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:29,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:34:29,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:29,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:34:29,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:34:29,787 INFO L87 Difference]: Start difference. First operand 55686 states and 70774 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:30,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:30,094 INFO L93 Difference]: Finished difference Result 121699 states and 154762 transitions. [2024-11-13 14:34:30,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:34:30,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-11-13 14:34:30,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:30,181 INFO L225 Difference]: With dead ends: 121699 [2024-11-13 14:34:30,181 INFO L226 Difference]: Without dead ends: 85619 [2024-11-13 14:34:30,207 INFO L431 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 [2024-11-13 14:34:30,208 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 179 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:30,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 911 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:34:30,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85619 states. [2024-11-13 14:34:30,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85619 to 57582. [2024-11-13 14:34:30,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57582 states, 57581 states have (on average 1.2697938556120942) internal successors, (73116), 57581 states have internal predecessors, (73116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57582 states to 57582 states and 73116 transitions. [2024-11-13 14:34:31,060 INFO L78 Accepts]: Start accepts. Automaton has 57582 states and 73116 transitions. Word has length 93 [2024-11-13 14:34:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:31,060 INFO L471 AbstractCegarLoop]: Abstraction has 57582 states and 73116 transitions. [2024-11-13 14:34:31,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand 57582 states and 73116 transitions. [2024-11-13 14:34:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 14:34:31,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:31,069 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:31,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 14:34:31,069 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:31,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:31,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1252720895, now seen corresponding path program 1 times [2024-11-13 14:34:31,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:31,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124438400] [2024-11-13 14:34:31,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:31,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:31,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:31,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124438400] [2024-11-13 14:34:31,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124438400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:31,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:31,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:34:31,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80319943] [2024-11-13 14:34:31,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:31,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:34:31,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:31,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:34:31,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:34:31,169 INFO L87 Difference]: Start difference. First operand 57582 states and 73116 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:32,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:32,101 INFO L93 Difference]: Finished difference Result 112320 states and 142944 transitions. [2024-11-13 14:34:32,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:34:32,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-13 14:34:32,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:32,167 INFO L225 Difference]: With dead ends: 112320 [2024-11-13 14:34:32,168 INFO L226 Difference]: Without dead ends: 55532 [2024-11-13 14:34:32,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:34:32,190 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 856 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:32,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 616 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:34:32,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55532 states. [2024-11-13 14:34:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55532 to 50635. [2024-11-13 14:34:32,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50635 states, 50634 states have (on average 1.243413516609393) internal successors, (62959), 50634 states have internal predecessors, (62959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50635 states to 50635 states and 62959 transitions. [2024-11-13 14:34:32,946 INFO L78 Accepts]: Start accepts. Automaton has 50635 states and 62959 transitions. Word has length 94 [2024-11-13 14:34:32,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:32,946 INFO L471 AbstractCegarLoop]: Abstraction has 50635 states and 62959 transitions. [2024-11-13 14:34:32,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 50635 states and 62959 transitions. [2024-11-13 14:34:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 14:34:32,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:32,956 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:32,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 14:34:32,956 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:32,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:32,957 INFO L85 PathProgramCache]: Analyzing trace with hash -950976744, now seen corresponding path program 1 times [2024-11-13 14:34:32,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:32,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853058318] [2024-11-13 14:34:32,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:32,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:33,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:33,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853058318] [2024-11-13 14:34:33,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853058318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:33,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:33,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:34:33,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737855546] [2024-11-13 14:34:33,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:33,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:34:33,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:33,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:34:33,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:34:33,070 INFO L87 Difference]: Start difference. First operand 50635 states and 62959 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:33,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:33,549 INFO L93 Difference]: Finished difference Result 72821 states and 90237 transitions. [2024-11-13 14:34:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:34:33,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-13 14:34:33,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:33,591 INFO L225 Difference]: With dead ends: 72821 [2024-11-13 14:34:33,592 INFO L226 Difference]: Without dead ends: 50413 [2024-11-13 14:34:33,600 INFO L431 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 [2024-11-13 14:34:33,601 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 174 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:33,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 801 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:34:33,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50413 states. [2024-11-13 14:34:33,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50413 to 50333. [2024-11-13 14:34:33,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50333 states, 50332 states have (on average 1.2312048001271556) internal successors, (61969), 50332 states have internal predecessors, (61969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:34,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50333 states to 50333 states and 61969 transitions. [2024-11-13 14:34:34,032 INFO L78 Accepts]: Start accepts. Automaton has 50333 states and 61969 transitions. Word has length 94 [2024-11-13 14:34:34,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:34,032 INFO L471 AbstractCegarLoop]: Abstraction has 50333 states and 61969 transitions. [2024-11-13 14:34:34,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 50333 states and 61969 transitions. [2024-11-13 14:34:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 14:34:34,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:34,036 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:34,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 14:34:34,036 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:34,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:34,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1469138305, now seen corresponding path program 1 times [2024-11-13 14:34:34,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:34,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013758937] [2024-11-13 14:34:34,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:34,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 14:34:34,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:34,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013758937] [2024-11-13 14:34:34,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013758937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:34,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:34,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:34:34,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918085723] [2024-11-13 14:34:34,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:34,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:34:34,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:34,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:34:34,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:34:34,108 INFO L87 Difference]: Start difference. First operand 50333 states and 61969 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:34,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:34,273 INFO L93 Difference]: Finished difference Result 64714 states and 79519 transitions. [2024-11-13 14:34:34,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:34:34,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-13 14:34:34,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:34,301 INFO L225 Difference]: With dead ends: 64714 [2024-11-13 14:34:34,301 INFO L226 Difference]: Without dead ends: 33956 [2024-11-13 14:34:34,316 INFO L431 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 [2024-11-13 14:34:34,316 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 183 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:34,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 808 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:34:34,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33956 states. [2024-11-13 14:34:34,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33956 to 33823. [2024-11-13 14:34:34,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33823 states, 33822 states have (on average 1.2153036485128024) internal successors, (41104), 33822 states have internal predecessors, (41104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33823 states to 33823 states and 41104 transitions. [2024-11-13 14:34:34,833 INFO L78 Accepts]: Start accepts. Automaton has 33823 states and 41104 transitions. Word has length 95 [2024-11-13 14:34:34,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:34,833 INFO L471 AbstractCegarLoop]: Abstraction has 33823 states and 41104 transitions. [2024-11-13 14:34:34,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 33823 states and 41104 transitions. [2024-11-13 14:34:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 14:34:34,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:34,837 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:34,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 14:34:34,838 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:34,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:34,838 INFO L85 PathProgramCache]: Analyzing trace with hash 299940606, now seen corresponding path program 1 times [2024-11-13 14:34:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:34,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426486824] [2024-11-13 14:34:34,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:34,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 14:34:34,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:34,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426486824] [2024-11-13 14:34:34,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426486824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:34,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:34,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:34:34,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003212488] [2024-11-13 14:34:34,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:34,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:34:34,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:34,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:34:34,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:34:34,911 INFO L87 Difference]: Start difference. First operand 33823 states and 41104 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:35,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:35,015 INFO L93 Difference]: Finished difference Result 47566 states and 57770 transitions. [2024-11-13 14:34:35,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:34:35,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-13 14:34:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:35,037 INFO L225 Difference]: With dead ends: 47566 [2024-11-13 14:34:35,037 INFO L226 Difference]: Without dead ends: 26714 [2024-11-13 14:34:35,048 INFO L431 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 [2024-11-13 14:34:35,048 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 140 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:35,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 812 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:34:35,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26714 states. [2024-11-13 14:34:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26714 to 26647. [2024-11-13 14:34:35,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26647 states, 26646 states have (on average 1.2030323500713052) internal successors, (32056), 26646 states have internal predecessors, (32056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26647 states to 26647 states and 32056 transitions. [2024-11-13 14:34:35,274 INFO L78 Accepts]: Start accepts. Automaton has 26647 states and 32056 transitions. Word has length 96 [2024-11-13 14:34:35,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:35,274 INFO L471 AbstractCegarLoop]: Abstraction has 26647 states and 32056 transitions. [2024-11-13 14:34:35,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:35,275 INFO L276 IsEmpty]: Start isEmpty. Operand 26647 states and 32056 transitions. [2024-11-13 14:34:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:34:35,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:35,279 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:35,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 14:34:35,280 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:35,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:35,280 INFO L85 PathProgramCache]: Analyzing trace with hash 446998351, now seen corresponding path program 1 times [2024-11-13 14:34:35,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:35,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498852447] [2024-11-13 14:34:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:35,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:35,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:35,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498852447] [2024-11-13 14:34:35,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498852447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:34:35,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350615756] [2024-11-13 14:34:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:35,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:35,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:35,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:34:35,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:34:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:35,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:34:35,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:36,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:34:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:36,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350615756] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:34:36,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:34:36,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-13 14:34:36,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981311928] [2024-11-13 14:34:36,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:34:36,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 14:34:36,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:36,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:34:36,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:34:36,314 INFO L87 Difference]: Start difference. First operand 26647 states and 32056 transitions. Second operand has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:37,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:37,106 INFO L93 Difference]: Finished difference Result 52594 states and 63308 transitions. [2024-11-13 14:34:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:34:37,106 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-13 14:34:37,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:37,129 INFO L225 Difference]: With dead ends: 52594 [2024-11-13 14:34:37,129 INFO L226 Difference]: Without dead ends: 26557 [2024-11-13 14:34:37,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:34:37,141 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 1873 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1873 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:37,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1873 Valid, 1361 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:34:37,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26557 states. [2024-11-13 14:34:37,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26557 to 26555. [2024-11-13 14:34:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26555 states, 26554 states have (on average 1.1830609324395571) internal successors, (31415), 26554 states have internal predecessors, (31415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:37,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26555 states to 26555 states and 31415 transitions. [2024-11-13 14:34:37,371 INFO L78 Accepts]: Start accepts. Automaton has 26555 states and 31415 transitions. Word has length 97 [2024-11-13 14:34:37,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:37,371 INFO L471 AbstractCegarLoop]: Abstraction has 26555 states and 31415 transitions. [2024-11-13 14:34:37,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.928571428571427) internal successors, (265), 14 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:37,371 INFO L276 IsEmpty]: Start isEmpty. Operand 26555 states and 31415 transitions. [2024-11-13 14:34:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 14:34:37,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:37,376 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:37,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 14:34:37,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-13 14:34:37,576 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:37,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:37,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1872798808, now seen corresponding path program 1 times [2024-11-13 14:34:37,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:37,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872475664] [2024-11-13 14:34:37,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:37,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 14:34:37,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:37,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872475664] [2024-11-13 14:34:37,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872475664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:37,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:37,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:34:37,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997896589] [2024-11-13 14:34:37,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:37,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:34:37,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:37,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:34:37,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:34:37,651 INFO L87 Difference]: Start difference. First operand 26555 states and 31415 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:38,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:38,200 INFO L93 Difference]: Finished difference Result 64832 states and 77384 transitions. [2024-11-13 14:34:38,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:34:38,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-13 14:34:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:38,237 INFO L225 Difference]: With dead ends: 64832 [2024-11-13 14:34:38,237 INFO L226 Difference]: Without dead ends: 42013 [2024-11-13 14:34:38,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:34:38,252 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 269 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:38,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 863 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:34:38,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42013 states. [2024-11-13 14:34:38,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42013 to 29109. [2024-11-13 14:34:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29109 states, 29108 states have (on average 1.1822866565892538) internal successors, (34414), 29108 states have internal predecessors, (34414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29109 states to 29109 states and 34414 transitions. [2024-11-13 14:34:38,724 INFO L78 Accepts]: Start accepts. Automaton has 29109 states and 34414 transitions. Word has length 98 [2024-11-13 14:34:38,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:38,724 INFO L471 AbstractCegarLoop]: Abstraction has 29109 states and 34414 transitions. [2024-11-13 14:34:38,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 29109 states and 34414 transitions. [2024-11-13 14:34:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 14:34:38,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:38,730 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:38,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 14:34:38,730 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:38,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:38,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1386320585, now seen corresponding path program 1 times [2024-11-13 14:34:38,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:38,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159063451] [2024-11-13 14:34:38,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:38,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 14:34:39,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:39,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159063451] [2024-11-13 14:34:39,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159063451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:39,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:39,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:34:39,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167586426] [2024-11-13 14:34:39,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:39,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:34:39,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:39,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:34:39,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:34:39,113 INFO L87 Difference]: Start difference. First operand 29109 states and 34414 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:40,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:40,001 INFO L93 Difference]: Finished difference Result 49445 states and 58700 transitions. [2024-11-13 14:34:40,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:34:40,002 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-13 14:34:40,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:40,044 INFO L225 Difference]: With dead ends: 49445 [2024-11-13 14:34:40,045 INFO L226 Difference]: Without dead ends: 44186 [2024-11-13 14:34:40,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:34:40,057 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 2281 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:40,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 985 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:34:40,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44186 states. [2024-11-13 14:34:40,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44186 to 29109. [2024-11-13 14:34:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29109 states, 29108 states have (on average 1.1822179469561633) internal successors, (34412), 29108 states have internal predecessors, (34412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29109 states to 29109 states and 34412 transitions. [2024-11-13 14:34:40,625 INFO L78 Accepts]: Start accepts. Automaton has 29109 states and 34412 transitions. Word has length 99 [2024-11-13 14:34:40,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:40,626 INFO L471 AbstractCegarLoop]: Abstraction has 29109 states and 34412 transitions. [2024-11-13 14:34:40,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29109 states and 34412 transitions. [2024-11-13 14:34:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 14:34:40,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:40,629 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:40,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 14:34:40,629 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:40,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash 541663463, now seen corresponding path program 1 times [2024-11-13 14:34:40,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:40,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813667889] [2024-11-13 14:34:40,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:40,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:40,904 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 14:34:40,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:40,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813667889] [2024-11-13 14:34:40,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813667889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:40,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:40,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:34:40,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992748756] [2024-11-13 14:34:40,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:40,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:34:40,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:40,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:34:40,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:34:40,906 INFO L87 Difference]: Start difference. First operand 29109 states and 34412 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:41,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:41,720 INFO L93 Difference]: Finished difference Result 39126 states and 46214 transitions. [2024-11-13 14:34:41,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:34:41,720 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 14:34:41,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:41,750 INFO L225 Difference]: With dead ends: 39126 [2024-11-13 14:34:41,751 INFO L226 Difference]: Without dead ends: 36003 [2024-11-13 14:34:41,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:34:41,759 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1769 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:41,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 1332 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:34:41,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36003 states. [2024-11-13 14:34:41,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36003 to 29109. [2024-11-13 14:34:42,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29109 states, 29108 states have (on average 1.182183592139618) internal successors, (34411), 29108 states have internal predecessors, (34411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29109 states to 29109 states and 34411 transitions. [2024-11-13 14:34:42,050 INFO L78 Accepts]: Start accepts. Automaton has 29109 states and 34411 transitions. Word has length 100 [2024-11-13 14:34:42,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:42,050 INFO L471 AbstractCegarLoop]: Abstraction has 29109 states and 34411 transitions. [2024-11-13 14:34:42,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 29109 states and 34411 transitions. [2024-11-13 14:34:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 14:34:42,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:42,054 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:42,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 14:34:42,054 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:42,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:42,055 INFO L85 PathProgramCache]: Analyzing trace with hash 195814088, now seen corresponding path program 1 times [2024-11-13 14:34:42,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:42,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284829073] [2024-11-13 14:34:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:42,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:42,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:42,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284829073] [2024-11-13 14:34:42,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284829073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:34:42,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5064495] [2024-11-13 14:34:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:42,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:42,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:42,412 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:34:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:34:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:42,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 14:34:42,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:44,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:34:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:34:46,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5064495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:34:46,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:34:46,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 16] total 37 [2024-11-13 14:34:46,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278023670] [2024-11-13 14:34:46,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:34:46,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-13 14:34:46,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:46,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-13 14:34:46,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1240, Unknown=0, NotChecked=0, Total=1406 [2024-11-13 14:34:46,150 INFO L87 Difference]: Start difference. First operand 29109 states and 34411 transitions. Second operand has 38 states, 38 states have (on average 7.2368421052631575) internal successors, (275), 37 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:58,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:58,631 INFO L93 Difference]: Finished difference Result 92106 states and 108924 transitions. [2024-11-13 14:34:58,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-11-13 14:34:58,632 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 7.2368421052631575) internal successors, (275), 37 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 14:34:58,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:58,701 INFO L225 Difference]: With dead ends: 92106 [2024-11-13 14:34:58,701 INFO L226 Difference]: Without dead ends: 76871 [2024-11-13 14:34:58,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7864 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=3868, Invalid=20312, Unknown=0, NotChecked=0, Total=24180 [2024-11-13 14:34:58,725 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 4879 mSDsluCounter, 6359 mSDsCounter, 0 mSdLazyCounter, 7238 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4879 SdHoareTripleChecker+Valid, 6686 SdHoareTripleChecker+Invalid, 7391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 7238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:58,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4879 Valid, 6686 Invalid, 7391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [153 Valid, 7238 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 14:34:58,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76871 states. [2024-11-13 14:34:59,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76871 to 42925. [2024-11-13 14:34:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42925 states, 42924 states have (on average 1.1826949958065418) internal successors, (50766), 42924 states have internal predecessors, (50766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42925 states to 42925 states and 50766 transitions. [2024-11-13 14:34:59,257 INFO L78 Accepts]: Start accepts. Automaton has 42925 states and 50766 transitions. Word has length 100 [2024-11-13 14:34:59,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:59,257 INFO L471 AbstractCegarLoop]: Abstraction has 42925 states and 50766 transitions. [2024-11-13 14:34:59,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.2368421052631575) internal successors, (275), 37 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:34:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 42925 states and 50766 transitions. [2024-11-13 14:34:59,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:34:59,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:59,261 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:34:59,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 14:34:59,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_035dc9c4-008f-41b4-bc66-d1afe3c67f8b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-13 14:34:59,461 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:34:59,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:59,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1604408520, now seen corresponding path program 1 times [2024-11-13 14:34:59,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:59,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174380159] [2024-11-13 14:34:59,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:59,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 14:34:59,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:59,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174380159] [2024-11-13 14:34:59,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174380159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:59,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:59,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:34:59,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470434154] [2024-11-13 14:34:59,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:59,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:34:59,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:59,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:34:59,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:34:59,607 INFO L87 Difference]: Start difference. First operand 42925 states and 50766 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:00,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:00,039 INFO L93 Difference]: Finished difference Result 73585 states and 86901 transitions. [2024-11-13 14:35:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:35:00,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-13 14:35:00,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:00,090 INFO L225 Difference]: With dead ends: 73585 [2024-11-13 14:35:00,090 INFO L226 Difference]: Without dead ends: 60501 [2024-11-13 14:35:00,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:35:00,105 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 276 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:00,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 830 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:35:00,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60501 states. [2024-11-13 14:35:00,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60501 to 49310. [2024-11-13 14:35:00,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49310 states, 49309 states have (on average 1.183901518992476) internal successors, (58377), 49309 states have internal predecessors, (58377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49310 states to 49310 states and 58377 transitions. [2024-11-13 14:35:00,563 INFO L78 Accepts]: Start accepts. Automaton has 49310 states and 58377 transitions. Word has length 101 [2024-11-13 14:35:00,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:00,563 INFO L471 AbstractCegarLoop]: Abstraction has 49310 states and 58377 transitions. [2024-11-13 14:35:00,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 49310 states and 58377 transitions. [2024-11-13 14:35:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:35:00,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:00,567 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:35:00,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 14:35:00,568 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:35:00,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:00,568 INFO L85 PathProgramCache]: Analyzing trace with hash 792028471, now seen corresponding path program 1 times [2024-11-13 14:35:00,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:00,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260396730] [2024-11-13 14:35:00,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:00,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 14:35:00,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:00,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260396730] [2024-11-13 14:35:00,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260396730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:00,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:35:00,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:35:00,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758648778] [2024-11-13 14:35:00,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:00,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:35:00,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:00,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:35:00,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:35:00,835 INFO L87 Difference]: Start difference. First operand 49310 states and 58377 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:01,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:01,491 INFO L93 Difference]: Finished difference Result 59394 states and 70335 transitions. [2024-11-13 14:35:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:35:01,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-13 14:35:01,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:01,532 INFO L225 Difference]: With dead ends: 59394 [2024-11-13 14:35:01,532 INFO L226 Difference]: Without dead ends: 50103 [2024-11-13 14:35:01,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:35:01,546 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 2019 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:01,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 843 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:35:01,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50103 states. [2024-11-13 14:35:01,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50103 to 49189. [2024-11-13 14:35:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49189 states, 49188 states have (on average 1.1841709360006505) internal successors, (58247), 49188 states have internal predecessors, (58247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49189 states to 49189 states and 58247 transitions. [2024-11-13 14:35:02,120 INFO L78 Accepts]: Start accepts. Automaton has 49189 states and 58247 transitions. Word has length 101 [2024-11-13 14:35:02,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:02,120 INFO L471 AbstractCegarLoop]: Abstraction has 49189 states and 58247 transitions. [2024-11-13 14:35:02,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 49189 states and 58247 transitions. [2024-11-13 14:35:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:35:02,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:02,127 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:35:02,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-13 14:35:02,127 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:35:02,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:02,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1632921201, now seen corresponding path program 1 times [2024-11-13 14:35:02,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:02,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366361684] [2024-11-13 14:35:02,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:02,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 14:35:02,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:02,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366361684] [2024-11-13 14:35:02,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366361684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:02,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:35:02,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:35:02,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381272179] [2024-11-13 14:35:02,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:02,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:35:02,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:02,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:35:02,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:35:02,208 INFO L87 Difference]: Start difference. First operand 49189 states and 58247 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:02,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:02,697 INFO L93 Difference]: Finished difference Result 65606 states and 77594 transitions. [2024-11-13 14:35:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:35:02,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-13 14:35:02,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:02,755 INFO L225 Difference]: With dead ends: 65606 [2024-11-13 14:35:02,755 INFO L226 Difference]: Without dead ends: 60354 [2024-11-13 14:35:02,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:35:02,768 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 274 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:02,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 819 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:35:02,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60354 states. [2024-11-13 14:35:03,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60354 to 49189. [2024-11-13 14:35:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49189 states, 49188 states have (on average 1.1841709360006505) internal successors, (58247), 49188 states have internal predecessors, (58247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49189 states to 49189 states and 58247 transitions. [2024-11-13 14:35:03,343 INFO L78 Accepts]: Start accepts. Automaton has 49189 states and 58247 transitions. Word has length 101 [2024-11-13 14:35:03,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:03,343 INFO L471 AbstractCegarLoop]: Abstraction has 49189 states and 58247 transitions. [2024-11-13 14:35:03,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 49189 states and 58247 transitions. [2024-11-13 14:35:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:35:03,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:03,347 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:35:03,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 14:35:03,347 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:35:03,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:03,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2032912400, now seen corresponding path program 1 times [2024-11-13 14:35:03,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:03,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039566491] [2024-11-13 14:35:03,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:03,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:35:03,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:03,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039566491] [2024-11-13 14:35:03,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039566491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:03,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:35:03,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:35:03,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655906688] [2024-11-13 14:35:03,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:03,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:35:03,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:03,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:35:03,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:35:03,431 INFO L87 Difference]: Start difference. First operand 49189 states and 58247 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:03,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:03,716 INFO L93 Difference]: Finished difference Result 92700 states and 110673 transitions. [2024-11-13 14:35:03,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:35:03,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-13 14:35:03,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:03,775 INFO L225 Difference]: With dead ends: 92700 [2024-11-13 14:35:03,775 INFO L226 Difference]: Without dead ends: 44291 [2024-11-13 14:35:03,800 INFO L431 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 [2024-11-13 14:35:03,800 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 158 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:03,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 736 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:35:03,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44291 states. [2024-11-13 14:35:04,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44291 to 42616. [2024-11-13 14:35:04,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42616 states, 42615 states have (on average 1.1827290860025812) internal successors, (50402), 42615 states have internal predecessors, (50402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:04,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42616 states to 42616 states and 50402 transitions. [2024-11-13 14:35:04,285 INFO L78 Accepts]: Start accepts. Automaton has 42616 states and 50402 transitions. Word has length 101 [2024-11-13 14:35:04,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:35:04,285 INFO L471 AbstractCegarLoop]: Abstraction has 42616 states and 50402 transitions. [2024-11-13 14:35:04,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:04,285 INFO L276 IsEmpty]: Start isEmpty. Operand 42616 states and 50402 transitions. [2024-11-13 14:35:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:35:04,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:35:04,289 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:35:04,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 14:35:04,290 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-13 14:35:04,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:35:04,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1776258551, now seen corresponding path program 1 times [2024-11-13 14:35:04,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:35:04,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620800355] [2024-11-13 14:35:04,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:35:04,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:35:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:35:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:35:04,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:35:04,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620800355] [2024-11-13 14:35:04,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620800355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:35:04,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:35:04,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 14:35:04,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319990854] [2024-11-13 14:35:04,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:35:04,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:35:04,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:35:04,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:35:04,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:35:04,939 INFO L87 Difference]: Start difference. First operand 42616 states and 50402 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:35:06,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:35:06,368 INFO L93 Difference]: Finished difference Result 51581 states and 60942 transitions. [2024-11-13 14:35:06,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:35:06,368 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-13 14:35:06,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:35:06,416 INFO L225 Difference]: With dead ends: 51581 [2024-11-13 14:35:06,416 INFO L226 Difference]: Without dead ends: 46653 [2024-11-13 14:35:06,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-13 14:35:06,429 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 1832 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 1887 SdHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:35:06,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1832 Valid, 1887 Invalid, 1758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1694 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:35:06,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46653 states.