./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 16:20:27,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 16:20:27,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 16:20:27,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 16:20:27,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 16:20:27,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 16:20:27,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 16:20:27,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 16:20:27,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 16:20:27,824 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 16:20:27,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 16:20:27,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 16:20:27,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 16:20:27,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 16:20:27,825 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 16:20:27,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 16:20:27,826 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 16:20:27,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 16:20:27,826 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 16:20:27,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 16:20:27,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 16:20:27,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 16:20:27,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 16:20:27,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 16:20:27,827 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 16:20:27,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 16:20:27,827 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d [2025-02-05 16:20:28,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 16:20:28,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 16:20:28,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 16:20:28,072 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 16:20:28,072 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 16:20:28,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2025-02-05 16:20:29,240 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e409b1ac9/0d92d34c19d9433294ff50ea44947f74/FLAG42bf236c3 [2025-02-05 16:20:29,579 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 16:20:29,580 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2025-02-05 16:20:29,597 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e409b1ac9/0d92d34c19d9433294ff50ea44947f74/FLAG42bf236c3 [2025-02-05 16:20:29,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e409b1ac9/0d92d34c19d9433294ff50ea44947f74 [2025-02-05 16:20:29,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 16:20:29,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 16:20:29,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 16:20:29,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 16:20:29,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 16:20:29,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:20:29" (1/1) ... [2025-02-05 16:20:29,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a436c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:29, skipping insertion in model container [2025-02-05 16:20:29,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:20:29" (1/1) ... [2025-02-05 16:20:29,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 16:20:29,793 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2025-02-05 16:20:30,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 16:20:30,051 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 16:20:30,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok1.i","-S") [48] [2025-02-05 16:20:30,061 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2025-02-05 16:20:30,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 16:20:30,228 INFO L204 MainTranslator]: Completed translation [2025-02-05 16:20:30,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30 WrapperNode [2025-02-05 16:20:30,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 16:20:30,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 16:20:30,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 16:20:30,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 16:20:30,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,465 INFO L138 Inliner]: procedures = 63, calls = 2322, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4811 [2025-02-05 16:20:30,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 16:20:30,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 16:20:30,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 16:20:30,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 16:20:30,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,501 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,560 INFO L175 MemorySlicer]: Split 1785 memory accesses to 24 slices as follows [2, 2, 50, 5, 3, 264, 292, 158, 112, 63, 57, 4, 82, 8, 105, 2, 82, 7, 105, 82, 105, 82, 105, 8]. 16 percent of accesses are in the largest equivalence class. The 277 initializations are split as follows [2, 0, 0, 2, 1, 24, 24, 2, 2, 1, 1, 0, 27, 0, 27, 0, 27, 2, 27, 27, 27, 27, 27, 0]. The 311 writes are split as follows [0, 1, 26, 1, 1, 24, 24, 2, 2, 1, 1, 0, 28, 4, 26, 1, 28, 3, 26, 28, 26, 28, 26, 4]. [2025-02-05 16:20:30,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,648 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 16:20:30,729 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 16:20:30,729 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 16:20:30,730 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 16:20:30,730 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (1/1) ... [2025-02-05 16:20:30,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 16:20:30,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 16:20:30,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 16:20:30,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 16:20:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 16:20:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-02-05 16:20:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-02-05 16:20:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-02-05 16:20:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-02-05 16:20:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-02-05 16:20:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-02-05 16:20:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-02-05 16:20:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-02-05 16:20:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-05 16:20:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-02-05 16:20:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-02-05 16:20:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-02-05 16:20:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-05 16:20:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-05 16:20:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-02-05 16:20:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 16:20:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-02-05 16:20:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-02-05 16:20:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-02-05 16:20:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-02-05 16:20:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 16:20:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 16:20:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 16:20:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 16:20:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 16:20:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 16:20:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-05 16:20:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-05 16:20:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-05 16:20:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-05 16:20:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-05 16:20:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-05 16:20:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-05 16:20:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-05 16:20:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 16:20:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-02-05 16:20:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-02-05 16:20:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-02-05 16:20:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-02-05 16:20:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-02-05 16:20:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-02-05 16:20:31,192 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 16:20:31,194 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 16:20:31,560 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L222: call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset);havoc OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset;call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset);havoc OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset; [2025-02-05 16:20:31,561 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: call ULTIMATE.dealloc(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset);havoc balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset;call ULTIMATE.dealloc(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset);havoc balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset; [2025-02-05 16:20:38,057 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2025-02-05 16:20:38,057 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 16:20:38,100 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 16:20:38,102 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 16:20:38,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:20:38 BoogieIcfgContainer [2025-02-05 16:20:38,102 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 16:20:38,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 16:20:38,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 16:20:38,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 16:20:38,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 04:20:29" (1/3) ... [2025-02-05 16:20:38,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d58368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:20:38, skipping insertion in model container [2025-02-05 16:20:38,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:30" (2/3) ... [2025-02-05 16:20:38,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d58368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:20:38, skipping insertion in model container [2025-02-05 16:20:38,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:20:38" (3/3) ... [2025-02-05 16:20:38,111 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M1-2.c [2025-02-05 16:20:38,122 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 16:20:38,126 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.1.M1-2.c that has 22 procedures, 1362 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 16:20:38,207 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 16:20:38,216 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;@104f900a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 16:20:38,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 16:20:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 1362 states, 858 states have (on average 1.2738927738927739) internal successors, (1093), 890 states have internal predecessors, (1093), 481 states have call successors, (481), 21 states have call predecessors, (481), 21 states have return successors, (481), 478 states have call predecessors, (481), 481 states have call successors, (481) [2025-02-05 16:20:38,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2025-02-05 16:20:38,292 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:20:38,293 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:20:38,294 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:20:38,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:20:38,299 INFO L85 PathProgramCache]: Analyzing trace with hash 734968779, now seen corresponding path program 1 times [2025-02-05 16:20:38,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:20:38,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916943168] [2025-02-05 16:20:38,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:20:38,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:20:38,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1034 statements into 1 equivalence classes. [2025-02-05 16:20:39,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1034 of 1034 statements. [2025-02-05 16:20:39,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:20:39,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:20:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 36992 trivial. 0 not checked. [2025-02-05 16:20:39,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:20:39,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916943168] [2025-02-05 16:20:39,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916943168] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 16:20:39,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284404690] [2025-02-05 16:20:39,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:20:39,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 16:20:39,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 16:20:39,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 16:20:39,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 16:20:40,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1034 statements into 1 equivalence classes. [2025-02-05 16:20:41,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1034 of 1034 statements. [2025-02-05 16:20:41,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:20:41,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:20:41,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 3890 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 16:20:41,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 16:20:41,410 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 36992 trivial. 0 not checked. [2025-02-05 16:20:41,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 16:20:41,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284404690] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:20:41,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 16:20:41,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-05 16:20:41,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638145319] [2025-02-05 16:20:41,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:20:41,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 16:20:41,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:20:41,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 16:20:41,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 16:20:41,442 INFO L87 Difference]: Start difference. First operand has 1362 states, 858 states have (on average 1.2738927738927739) internal successors, (1093), 890 states have internal predecessors, (1093), 481 states have call successors, (481), 21 states have call predecessors, (481), 21 states have return successors, (481), 478 states have call predecessors, (481), 481 states have call successors, (481) Second operand has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) [2025-02-05 16:20:41,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:20:41,565 INFO L93 Difference]: Finished difference Result 2719 states and 4565 transitions. [2025-02-05 16:20:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 16:20:41,567 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) Word has length 1034 [2025-02-05 16:20:41,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:20:41,587 INFO L225 Difference]: With dead ends: 2719 [2025-02-05 16:20:41,587 INFO L226 Difference]: Without dead ends: 1354 [2025-02-05 16:20:41,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 1035 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 16:20:41,601 INFO L435 NwaCegarLoop]: 2053 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 16:20:41,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2053 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 16:20:41,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2025-02-05 16:20:41,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1354. [2025-02-05 16:20:41,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 851 states have (on average 1.27262044653349) internal successors, (1083), 883 states have internal predecessors, (1083), 481 states have call successors, (481), 21 states have call predecessors, (481), 21 states have return successors, (480), 477 states have call predecessors, (480), 480 states have call successors, (480) [2025-02-05 16:20:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 2044 transitions. [2025-02-05 16:20:41,800 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 2044 transitions. Word has length 1034 [2025-02-05 16:20:41,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:20:41,800 INFO L471 AbstractCegarLoop]: Abstraction has 1354 states and 2044 transitions. [2025-02-05 16:20:41,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 2 states have call successors, (137) [2025-02-05 16:20:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 2044 transitions. [2025-02-05 16:20:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2025-02-05 16:20:41,827 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:20:41,827 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:20:41,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 16:20:42,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 16:20:42,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:20:42,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:20:42,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1175821582, now seen corresponding path program 1 times [2025-02-05 16:20:42,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:20:42,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241690413] [2025-02-05 16:20:42,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:20:42,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:20:42,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1034 statements into 1 equivalence classes. [2025-02-05 16:20:43,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1034 of 1034 statements. [2025-02-05 16:20:43,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:20:43,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:20:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 37264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37264 trivial. 0 not checked. [2025-02-05 16:20:46,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:20:46,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241690413] [2025-02-05 16:20:46,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241690413] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:20:46,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:20:46,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:20:46,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150347549] [2025-02-05 16:20:46,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:20:46,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:20:46,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:20:46,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:20:46,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:20:46,777 INFO L87 Difference]: Start difference. First operand 1354 states and 2044 transitions. Second operand has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) [2025-02-05 16:20:47,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:20:47,129 INFO L93 Difference]: Finished difference Result 1925 states and 2904 transitions. [2025-02-05 16:20:47,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:20:47,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) Word has length 1034 [2025-02-05 16:20:47,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:20:47,151 INFO L225 Difference]: With dead ends: 1925 [2025-02-05 16:20:47,151 INFO L226 Difference]: Without dead ends: 1923 [2025-02-05 16:20:47,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:20:47,154 INFO L435 NwaCegarLoop]: 2030 mSDtfsCounter, 1566 mSDsluCounter, 6847 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 8877 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 16:20:47,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1566 Valid, 8877 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 16:20:47,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2025-02-05 16:20:47,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1921. [2025-02-05 16:20:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 1180 states have (on average 1.25) internal successors, (1475), 1239 states have internal predecessors, (1475), 702 states have call successors, (702), 38 states have call predecessors, (702), 38 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:20:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2901 transitions. [2025-02-05 16:20:47,367 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2901 transitions. Word has length 1034 [2025-02-05 16:20:47,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:20:47,371 INFO L471 AbstractCegarLoop]: Abstraction has 1921 states and 2901 transitions. [2025-02-05 16:20:47,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 2 states have call successors, (138), 2 states have call predecessors, (138), 1 states have return successors, (137), 1 states have call predecessors, (137), 1 states have call successors, (137) [2025-02-05 16:20:47,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2901 transitions. [2025-02-05 16:20:47,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2025-02-05 16:20:47,400 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:20:47,401 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:20:47,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 16:20:47,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:20:47,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:20:47,405 INFO L85 PathProgramCache]: Analyzing trace with hash -224419441, now seen corresponding path program 1 times [2025-02-05 16:20:47,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:20:47,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251973285] [2025-02-05 16:20:47,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:20:47,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:20:47,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1040 statements into 1 equivalence classes. [2025-02-05 16:20:48,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1040 of 1040 statements. [2025-02-05 16:20:48,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:20:48,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:20:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 37266 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 37264 trivial. 0 not checked. [2025-02-05 16:20:50,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:20:50,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251973285] [2025-02-05 16:20:50,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251973285] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:20:50,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:20:50,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:20:50,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876127801] [2025-02-05 16:20:50,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:20:50,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:20:50,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:20:50,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:20:50,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:20:50,172 INFO L87 Difference]: Start difference. First operand 1921 states and 2901 transitions. Second operand has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) [2025-02-05 16:20:50,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:20:50,572 INFO L93 Difference]: Finished difference Result 1929 states and 2907 transitions. [2025-02-05 16:20:50,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:20:50,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) Word has length 1040 [2025-02-05 16:20:50,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:20:50,593 INFO L225 Difference]: With dead ends: 1929 [2025-02-05 16:20:50,593 INFO L226 Difference]: Without dead ends: 1927 [2025-02-05 16:20:50,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:20:50,595 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1561 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 16:20:50,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 8884 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 16:20:50,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2025-02-05 16:20:50,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1925. [2025-02-05 16:20:50,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1925 states, 1183 states have (on average 1.2493660185967879) internal successors, (1478), 1242 states have internal predecessors, (1478), 702 states have call successors, (702), 39 states have call predecessors, (702), 39 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:20:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1925 states and 2904 transitions. [2025-02-05 16:20:50,785 INFO L78 Accepts]: Start accepts. Automaton has 1925 states and 2904 transitions. Word has length 1040 [2025-02-05 16:20:50,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:20:50,788 INFO L471 AbstractCegarLoop]: Abstraction has 1925 states and 2904 transitions. [2025-02-05 16:20:50,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.0) internal successors, (355), 5 states have internal predecessors, (355), 2 states have call successors, (139), 2 states have call predecessors, (139), 1 states have return successors, (138), 1 states have call predecessors, (138), 1 states have call successors, (138) [2025-02-05 16:20:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2904 transitions. [2025-02-05 16:20:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2025-02-05 16:20:50,805 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:20:50,806 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:20:50,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 16:20:50,806 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:20:50,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:20:50,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1067052398, now seen corresponding path program 1 times [2025-02-05 16:20:50,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:20:50,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407760117] [2025-02-05 16:20:50,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:20:50,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:20:51,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1046 statements into 1 equivalence classes. [2025-02-05 16:20:51,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1046 of 1046 statements. [2025-02-05 16:20:51,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:20:51,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:20:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 37272 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37268 trivial. 0 not checked. [2025-02-05 16:20:53,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:20:53,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407760117] [2025-02-05 16:20:53,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407760117] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:20:53,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:20:53,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:20:53,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344213015] [2025-02-05 16:20:53,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:20:53,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:20:53,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:20:53,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:20:53,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:20:53,693 INFO L87 Difference]: Start difference. First operand 1925 states and 2904 transitions. Second operand has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) [2025-02-05 16:20:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:20:54,028 INFO L93 Difference]: Finished difference Result 1933 states and 2910 transitions. [2025-02-05 16:20:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:20:54,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) Word has length 1046 [2025-02-05 16:20:54,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:20:54,044 INFO L225 Difference]: With dead ends: 1933 [2025-02-05 16:20:54,044 INFO L226 Difference]: Without dead ends: 1931 [2025-02-05 16:20:54,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:20:54,047 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1559 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 16:20:54,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 8884 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 16:20:54,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2025-02-05 16:20:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1929. [2025-02-05 16:20:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1929 states, 1186 states have (on average 1.2487352445193929) internal successors, (1481), 1245 states have internal predecessors, (1481), 702 states have call successors, (702), 40 states have call predecessors, (702), 40 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:20:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2907 transitions. [2025-02-05 16:20:54,229 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2907 transitions. Word has length 1046 [2025-02-05 16:20:54,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:20:54,231 INFO L471 AbstractCegarLoop]: Abstraction has 1929 states and 2907 transitions. [2025-02-05 16:20:54,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 2 states have call successors, (140), 2 states have call predecessors, (140), 1 states have return successors, (139), 1 states have call predecessors, (139), 1 states have call successors, (139) [2025-02-05 16:20:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2907 transitions. [2025-02-05 16:20:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2025-02-05 16:20:54,250 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:20:54,250 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:20:54,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 16:20:54,251 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:20:54,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:20:54,251 INFO L85 PathProgramCache]: Analyzing trace with hash -310981361, now seen corresponding path program 1 times [2025-02-05 16:20:54,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:20:54,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760057920] [2025-02-05 16:20:54,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:20:54,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:20:54,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1052 statements into 1 equivalence classes. [2025-02-05 16:20:54,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1052 of 1052 statements. [2025-02-05 16:20:54,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:20:54,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:20:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 37282 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37276 trivial. 0 not checked. [2025-02-05 16:20:56,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:20:56,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760057920] [2025-02-05 16:20:56,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760057920] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:20:56,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:20:56,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:20:56,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770538945] [2025-02-05 16:20:56,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:20:56,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:20:56,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:20:56,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:20:56,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:20:56,799 INFO L87 Difference]: Start difference. First operand 1929 states and 2907 transitions. Second operand has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) [2025-02-05 16:20:57,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:20:57,137 INFO L93 Difference]: Finished difference Result 1937 states and 2913 transitions. [2025-02-05 16:20:57,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:20:57,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) Word has length 1052 [2025-02-05 16:20:57,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:20:57,152 INFO L225 Difference]: With dead ends: 1937 [2025-02-05 16:20:57,152 INFO L226 Difference]: Without dead ends: 1935 [2025-02-05 16:20:57,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:20:57,155 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1557 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 16:20:57,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 8884 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 16:20:57,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2025-02-05 16:20:57,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1933. [2025-02-05 16:20:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1933 states, 1189 states have (on average 1.248107653490328) internal successors, (1484), 1248 states have internal predecessors, (1484), 702 states have call successors, (702), 41 states have call predecessors, (702), 41 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:20:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2910 transitions. [2025-02-05 16:20:57,329 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2910 transitions. Word has length 1052 [2025-02-05 16:20:57,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:20:57,330 INFO L471 AbstractCegarLoop]: Abstraction has 1933 states and 2910 transitions. [2025-02-05 16:20:57,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 2 states have call successors, (141), 2 states have call predecessors, (141), 1 states have return successors, (140), 1 states have call predecessors, (140), 1 states have call successors, (140) [2025-02-05 16:20:57,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2910 transitions. [2025-02-05 16:20:57,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2025-02-05 16:20:57,351 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:20:57,352 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:20:57,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 16:20:57,352 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:20:57,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:20:57,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1791695118, now seen corresponding path program 1 times [2025-02-05 16:20:57,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:20:57,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465719958] [2025-02-05 16:20:57,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:20:57,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:20:57,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1058 statements into 1 equivalence classes. [2025-02-05 16:20:58,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1058 of 1058 statements. [2025-02-05 16:20:58,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:20:58,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 37296 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 37288 trivial. 0 not checked. [2025-02-05 16:21:00,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:00,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465719958] [2025-02-05 16:21:00,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465719958] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:00,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:00,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:21:00,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170630740] [2025-02-05 16:21:00,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:00,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:21:00,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:00,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:21:00,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:00,072 INFO L87 Difference]: Start difference. First operand 1933 states and 2910 transitions. Second operand has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) [2025-02-05 16:21:00,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:00,709 INFO L93 Difference]: Finished difference Result 1941 states and 2916 transitions. [2025-02-05 16:21:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:00,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) Word has length 1058 [2025-02-05 16:21:00,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:00,727 INFO L225 Difference]: With dead ends: 1941 [2025-02-05 16:21:00,727 INFO L226 Difference]: Without dead ends: 1939 [2025-02-05 16:21:00,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:21:00,730 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1555 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:00,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 8884 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 16:21:00,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2025-02-05 16:21:00,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1937. [2025-02-05 16:21:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1937 states, 1192 states have (on average 1.2474832214765101) internal successors, (1487), 1251 states have internal predecessors, (1487), 702 states have call successors, (702), 42 states have call predecessors, (702), 42 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:21:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 2913 transitions. [2025-02-05 16:21:00,922 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 2913 transitions. Word has length 1058 [2025-02-05 16:21:00,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:00,923 INFO L471 AbstractCegarLoop]: Abstraction has 1937 states and 2913 transitions. [2025-02-05 16:21:00,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 1 states have call predecessors, (141), 1 states have call successors, (141) [2025-02-05 16:21:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2913 transitions. [2025-02-05 16:21:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1065 [2025-02-05 16:21:00,943 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:00,944 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:00,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 16:21:00,944 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:00,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:00,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1457258903, now seen corresponding path program 1 times [2025-02-05 16:21:00,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:00,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516716768] [2025-02-05 16:21:00,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:00,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:01,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1064 statements into 1 equivalence classes. [2025-02-05 16:21:01,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1064 of 1064 statements. [2025-02-05 16:21:01,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:01,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 37314 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 37304 trivial. 0 not checked. [2025-02-05 16:21:03,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:03,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516716768] [2025-02-05 16:21:03,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516716768] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:03,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:03,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:21:03,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803813133] [2025-02-05 16:21:03,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:03,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:21:03,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:03,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:21:03,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:03,704 INFO L87 Difference]: Start difference. First operand 1937 states and 2913 transitions. Second operand has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) [2025-02-05 16:21:04,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:04,007 INFO L93 Difference]: Finished difference Result 1945 states and 2919 transitions. [2025-02-05 16:21:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:04,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) Word has length 1064 [2025-02-05 16:21:04,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:04,019 INFO L225 Difference]: With dead ends: 1945 [2025-02-05 16:21:04,020 INFO L226 Difference]: Without dead ends: 1943 [2025-02-05 16:21:04,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:21:04,022 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1553 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1553 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:04,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1553 Valid, 8884 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 16:21:04,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2025-02-05 16:21:04,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1941. [2025-02-05 16:21:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1195 states have (on average 1.2468619246861925) internal successors, (1490), 1254 states have internal predecessors, (1490), 702 states have call successors, (702), 43 states have call predecessors, (702), 43 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:21:04,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2916 transitions. [2025-02-05 16:21:04,232 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2916 transitions. Word has length 1064 [2025-02-05 16:21:04,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:04,237 INFO L471 AbstractCegarLoop]: Abstraction has 1941 states and 2916 transitions. [2025-02-05 16:21:04,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 71.8) internal successors, (359), 5 states have internal predecessors, (359), 2 states have call successors, (143), 2 states have call predecessors, (143), 1 states have return successors, (142), 1 states have call predecessors, (142), 1 states have call successors, (142) [2025-02-05 16:21:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2916 transitions. [2025-02-05 16:21:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2025-02-05 16:21:04,300 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:04,300 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:04,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 16:21:04,300 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:04,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:04,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1982137214, now seen corresponding path program 1 times [2025-02-05 16:21:04,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:04,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000107384] [2025-02-05 16:21:04,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:04,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:04,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1070 statements into 1 equivalence classes. [2025-02-05 16:21:05,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1070 of 1070 statements. [2025-02-05 16:21:05,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:05,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 37324 trivial. 0 not checked. [2025-02-05 16:21:07,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:07,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000107384] [2025-02-05 16:21:07,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000107384] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:07,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:07,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:21:07,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847198369] [2025-02-05 16:21:07,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:07,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:21:07,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:07,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:21:07,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:07,213 INFO L87 Difference]: Start difference. First operand 1941 states and 2916 transitions. Second operand has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) [2025-02-05 16:21:07,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:07,574 INFO L93 Difference]: Finished difference Result 1949 states and 2922 transitions. [2025-02-05 16:21:07,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:07,574 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) Word has length 1070 [2025-02-05 16:21:07,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:07,587 INFO L225 Difference]: With dead ends: 1949 [2025-02-05 16:21:07,587 INFO L226 Difference]: Without dead ends: 1947 [2025-02-05 16:21:07,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:21:07,589 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1551 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:07,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 8884 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 16:21:07,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2025-02-05 16:21:07,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1945. [2025-02-05 16:21:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1198 states have (on average 1.2462437395659431) internal successors, (1493), 1257 states have internal predecessors, (1493), 702 states have call successors, (702), 44 states have call predecessors, (702), 44 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:21:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2919 transitions. [2025-02-05 16:21:07,871 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2919 transitions. Word has length 1070 [2025-02-05 16:21:07,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:07,872 INFO L471 AbstractCegarLoop]: Abstraction has 1945 states and 2919 transitions. [2025-02-05 16:21:07,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (144), 2 states have call predecessors, (144), 1 states have return successors, (143), 1 states have call predecessors, (143), 1 states have call successors, (143) [2025-02-05 16:21:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2919 transitions. [2025-02-05 16:21:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2025-02-05 16:21:07,886 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:07,887 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:07,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-05 16:21:07,887 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:07,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:07,888 INFO L85 PathProgramCache]: Analyzing trace with hash -652086489, now seen corresponding path program 1 times [2025-02-05 16:21:07,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:07,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445573232] [2025-02-05 16:21:07,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:07,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:08,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1076 statements into 1 equivalence classes. [2025-02-05 16:21:08,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1076 of 1076 statements. [2025-02-05 16:21:08,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:08,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 37362 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37348 trivial. 0 not checked. [2025-02-05 16:21:10,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:10,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445573232] [2025-02-05 16:21:10,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445573232] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:10,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:10,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:21:10,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540570263] [2025-02-05 16:21:10,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:10,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:21:10,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:10,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:21:10,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:10,782 INFO L87 Difference]: Start difference. First operand 1945 states and 2919 transitions. Second operand has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) [2025-02-05 16:21:11,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:11,569 INFO L93 Difference]: Finished difference Result 1953 states and 2925 transitions. [2025-02-05 16:21:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:11,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) Word has length 1076 [2025-02-05 16:21:11,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:11,583 INFO L225 Difference]: With dead ends: 1953 [2025-02-05 16:21:11,583 INFO L226 Difference]: Without dead ends: 1951 [2025-02-05 16:21:11,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:21:11,587 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1549 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:11,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 8884 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-05 16:21:11,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2025-02-05 16:21:11,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1949. [2025-02-05 16:21:11,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1949 states, 1201 states have (on average 1.2456286427976686) internal successors, (1496), 1260 states have internal predecessors, (1496), 702 states have call successors, (702), 45 states have call predecessors, (702), 45 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:21:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2922 transitions. [2025-02-05 16:21:11,964 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2922 transitions. Word has length 1076 [2025-02-05 16:21:11,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:11,965 INFO L471 AbstractCegarLoop]: Abstraction has 1949 states and 2922 transitions. [2025-02-05 16:21:11,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.2) internal successors, (361), 5 states have internal predecessors, (361), 2 states have call successors, (145), 2 states have call predecessors, (145), 1 states have return successors, (144), 1 states have call predecessors, (144), 1 states have call successors, (144) [2025-02-05 16:21:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2922 transitions. [2025-02-05 16:21:11,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1083 [2025-02-05 16:21:11,979 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:11,980 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:11,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-05 16:21:11,980 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:11,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:11,981 INFO L85 PathProgramCache]: Analyzing trace with hash -387582190, now seen corresponding path program 1 times [2025-02-05 16:21:11,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:11,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160379765] [2025-02-05 16:21:11,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:11,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:12,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1082 statements into 1 equivalence classes. [2025-02-05 16:21:12,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1082 of 1082 statements. [2025-02-05 16:21:12,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:12,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 37392 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 37376 trivial. 0 not checked. [2025-02-05 16:21:15,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:15,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160379765] [2025-02-05 16:21:15,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160379765] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:15,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:15,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:21:15,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890653644] [2025-02-05 16:21:15,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:15,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:21:15,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:15,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:21:15,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:15,107 INFO L87 Difference]: Start difference. First operand 1949 states and 2922 transitions. Second operand has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) [2025-02-05 16:21:15,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:15,432 INFO L93 Difference]: Finished difference Result 1957 states and 2928 transitions. [2025-02-05 16:21:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:15,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) Word has length 1082 [2025-02-05 16:21:15,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:15,446 INFO L225 Difference]: With dead ends: 1957 [2025-02-05 16:21:15,447 INFO L226 Difference]: Without dead ends: 1955 [2025-02-05 16:21:15,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:21:15,448 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1547 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:15,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 8884 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 16:21:15,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2025-02-05 16:21:15,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1953. [2025-02-05 16:21:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1953 states, 1204 states have (on average 1.245016611295681) internal successors, (1499), 1263 states have internal predecessors, (1499), 702 states have call successors, (702), 46 states have call predecessors, (702), 46 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:21:15,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2925 transitions. [2025-02-05 16:21:15,635 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2925 transitions. Word has length 1082 [2025-02-05 16:21:15,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:15,636 INFO L471 AbstractCegarLoop]: Abstraction has 1953 states and 2925 transitions. [2025-02-05 16:21:15,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (146), 2 states have call predecessors, (146), 1 states have return successors, (145), 1 states have call predecessors, (145), 1 states have call successors, (145) [2025-02-05 16:21:15,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2925 transitions. [2025-02-05 16:21:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1089 [2025-02-05 16:21:15,648 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:15,649 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:15,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-05 16:21:15,649 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:15,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:15,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1412257215, now seen corresponding path program 1 times [2025-02-05 16:21:15,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:15,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34935693] [2025-02-05 16:21:15,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:15,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:15,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1088 statements into 1 equivalence classes. [2025-02-05 16:21:16,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1088 of 1088 statements. [2025-02-05 16:21:16,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:16,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 37426 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 37408 trivial. 0 not checked. [2025-02-05 16:21:18,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:18,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34935693] [2025-02-05 16:21:18,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34935693] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:18,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:18,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:21:18,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661105584] [2025-02-05 16:21:18,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:18,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:21:18,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:18,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:21:18,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:18,345 INFO L87 Difference]: Start difference. First operand 1953 states and 2925 transitions. Second operand has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) [2025-02-05 16:21:18,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:18,637 INFO L93 Difference]: Finished difference Result 1961 states and 2931 transitions. [2025-02-05 16:21:18,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:18,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) Word has length 1088 [2025-02-05 16:21:18,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:18,649 INFO L225 Difference]: With dead ends: 1961 [2025-02-05 16:21:18,649 INFO L226 Difference]: Without dead ends: 1959 [2025-02-05 16:21:18,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:21:18,651 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1545 mSDsluCounter, 6851 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:18,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1545 Valid, 8884 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 16:21:18,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2025-02-05 16:21:18,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1957. [2025-02-05 16:21:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1957 states, 1207 states have (on average 1.2444076222038112) internal successors, (1502), 1266 states have internal predecessors, (1502), 702 states have call successors, (702), 47 states have call predecessors, (702), 47 states have return successors, (724), 695 states have call predecessors, (724), 700 states have call successors, (724) [2025-02-05 16:21:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2928 transitions. [2025-02-05 16:21:18,849 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2928 transitions. Word has length 1088 [2025-02-05 16:21:18,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:18,850 INFO L471 AbstractCegarLoop]: Abstraction has 1957 states and 2928 transitions. [2025-02-05 16:21:18,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 2 states have call successors, (147), 2 states have call predecessors, (147), 1 states have return successors, (146), 1 states have call predecessors, (146), 1 states have call successors, (146) [2025-02-05 16:21:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2928 transitions. [2025-02-05 16:21:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1150 [2025-02-05 16:21:18,864 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:18,865 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:18,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-05 16:21:18,865 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:18,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:18,866 INFO L85 PathProgramCache]: Analyzing trace with hash 237302742, now seen corresponding path program 1 times [2025-02-05 16:21:18,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:18,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443785600] [2025-02-05 16:21:18,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:18,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:19,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1149 statements into 1 equivalence classes. [2025-02-05 16:21:19,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1149 of 1149 statements. [2025-02-05 16:21:19,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:19,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:20,806 INFO L134 CoverageAnalysis]: Checked inductivity of 38382 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 38376 trivial. 0 not checked. [2025-02-05 16:21:20,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:20,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443785600] [2025-02-05 16:21:20,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443785600] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 16:21:20,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064934535] [2025-02-05 16:21:20,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:20,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 16:21:20,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 16:21:20,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 16:21:20,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-05 16:21:21,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1149 statements into 1 equivalence classes. [2025-02-05 16:21:22,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1149 of 1149 statements. [2025-02-05 16:21:22,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:22,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:22,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 4416 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-05 16:21:22,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 16:21:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 38382 backedges. 13994 proven. 0 refuted. 0 times theorem prover too weak. 24388 trivial. 0 not checked. [2025-02-05 16:21:22,309 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 16:21:22,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064934535] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:22,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 16:21:22,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2025-02-05 16:21:22,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925976334] [2025-02-05 16:21:22,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:22,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 16:21:22,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:22,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 16:21:22,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-05 16:21:22,312 INFO L87 Difference]: Start difference. First operand 1957 states and 2928 transitions. Second operand has 5 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2025-02-05 16:21:24,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:24,846 INFO L93 Difference]: Finished difference Result 4418 states and 6756 transitions. [2025-02-05 16:21:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:24,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) Word has length 1149 [2025-02-05 16:21:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:24,879 INFO L225 Difference]: With dead ends: 4418 [2025-02-05 16:21:24,879 INFO L226 Difference]: Without dead ends: 3158 [2025-02-05 16:21:24,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1155 GetRequests, 1148 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:21:24,893 INFO L435 NwaCegarLoop]: 2734 mSDtfsCounter, 1984 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 2084 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 6397 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:24,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 6397 Invalid, 2087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2084 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-02-05 16:21:24,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2025-02-05 16:21:25,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2997. [2025-02-05 16:21:25,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 1818 states have (on average 1.2304730473047305) internal successors, (2237), 1931 states have internal predecessors, (2237), 1097 states have call successors, (1097), 81 states have call predecessors, (1097), 81 states have return successors, (1218), 1084 states have call predecessors, (1218), 1095 states have call successors, (1218) [2025-02-05 16:21:25,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4552 transitions. [2025-02-05 16:21:25,188 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4552 transitions. Word has length 1149 [2025-02-05 16:21:25,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:25,189 INFO L471 AbstractCegarLoop]: Abstraction has 2997 states and 4552 transitions. [2025-02-05 16:21:25,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.2) internal successors, (421), 5 states have internal predecessors, (421), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2025-02-05 16:21:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4552 transitions. [2025-02-05 16:21:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1140 [2025-02-05 16:21:25,208 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:25,209 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:25,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-05 16:21:25,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 16:21:25,410 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:25,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:25,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1989692677, now seen corresponding path program 1 times [2025-02-05 16:21:25,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:25,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982773032] [2025-02-05 16:21:25,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:25,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:25,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1139 statements into 1 equivalence classes. [2025-02-05 16:21:25,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1139 of 1139 statements. [2025-02-05 16:21:25,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:25,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 38377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38377 trivial. 0 not checked. [2025-02-05 16:21:26,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:26,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982773032] [2025-02-05 16:21:26,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982773032] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:26,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:26,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 16:21:26,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462590360] [2025-02-05 16:21:26,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:26,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 16:21:26,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:26,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 16:21:26,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-05 16:21:26,735 INFO L87 Difference]: Start difference. First operand 2997 states and 4552 transitions. Second operand has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 3 states have call successors, (151), 2 states have call predecessors, (151), 3 states have return successors, (150), 3 states have call predecessors, (150), 3 states have call successors, (150) [2025-02-05 16:21:27,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:27,070 INFO L93 Difference]: Finished difference Result 6175 states and 9494 transitions. [2025-02-05 16:21:27,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 16:21:27,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 3 states have call successors, (151), 2 states have call predecessors, (151), 3 states have return successors, (150), 3 states have call predecessors, (150), 3 states have call successors, (150) Word has length 1139 [2025-02-05 16:21:27,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:27,112 INFO L225 Difference]: With dead ends: 6175 [2025-02-05 16:21:27,113 INFO L226 Difference]: Without dead ends: 5125 [2025-02-05 16:21:27,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:27,126 INFO L435 NwaCegarLoop]: 2570 mSDtfsCounter, 2016 mSDsluCounter, 4191 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2016 SdHoareTripleChecker+Valid, 6761 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:27,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2016 Valid, 6761 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 16:21:27,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2025-02-05 16:21:27,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 4965. [2025-02-05 16:21:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4965 states, 2968 states have (on average 1.2179919137466306) internal successors, (3615), 3185 states have internal predecessors, (3615), 1855 states have call successors, (1855), 141 states have call predecessors, (1855), 141 states have return successors, (2072), 1830 states have call predecessors, (2072), 1853 states have call successors, (2072) [2025-02-05 16:21:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4965 states to 4965 states and 7542 transitions. [2025-02-05 16:21:27,651 INFO L78 Accepts]: Start accepts. Automaton has 4965 states and 7542 transitions. Word has length 1139 [2025-02-05 16:21:27,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:27,651 INFO L471 AbstractCegarLoop]: Abstraction has 4965 states and 7542 transitions. [2025-02-05 16:21:27,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.8) internal successors, (414), 5 states have internal predecessors, (414), 3 states have call successors, (151), 2 states have call predecessors, (151), 3 states have return successors, (150), 3 states have call predecessors, (150), 3 states have call successors, (150) [2025-02-05 16:21:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 7542 transitions. [2025-02-05 16:21:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2025-02-05 16:21:27,684 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:27,685 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:27,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-05 16:21:27,685 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:27,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:27,686 INFO L85 PathProgramCache]: Analyzing trace with hash -783183867, now seen corresponding path program 1 times [2025-02-05 16:21:27,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:27,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990465143] [2025-02-05 16:21:27,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:27,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:28,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1144 statements into 1 equivalence classes. [2025-02-05 16:21:28,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1144 of 1144 statements. [2025-02-05 16:21:28,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:28,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 38377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38377 trivial. 0 not checked. [2025-02-05 16:21:28,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:28,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990465143] [2025-02-05 16:21:28,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990465143] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:28,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:28,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:21:28,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213290847] [2025-02-05 16:21:28,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:28,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:21:28,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:28,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:21:28,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:28,830 INFO L87 Difference]: Start difference. First operand 4965 states and 7542 transitions. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 3 states have call successors, (152), 2 states have call predecessors, (152), 4 states have return successors, (151), 3 states have call predecessors, (151), 3 states have call successors, (151) [2025-02-05 16:21:30,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:30,983 INFO L93 Difference]: Finished difference Result 9313 states and 14503 transitions. [2025-02-05 16:21:30,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:30,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 3 states have call successors, (152), 2 states have call predecessors, (152), 4 states have return successors, (151), 3 states have call predecessors, (151), 3 states have call successors, (151) Word has length 1144 [2025-02-05 16:21:30,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:31,041 INFO L225 Difference]: With dead ends: 9313 [2025-02-05 16:21:31,041 INFO L226 Difference]: Without dead ends: 5082 [2025-02-05 16:21:31,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-05 16:21:31,077 INFO L435 NwaCegarLoop]: 2107 mSDtfsCounter, 2885 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 557 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 3953 SdHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 557 IncrementalHoareTripleChecker+Valid, 1649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:31,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2885 Valid, 3953 Invalid, 2206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [557 Valid, 1649 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-05 16:21:31,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5082 states. [2025-02-05 16:21:31,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5082 to 5082. [2025-02-05 16:21:31,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5082 states, 3051 states have (on average 1.218616846935431) internal successors, (3718), 3268 states have internal predecessors, (3718), 1876 states have call successors, (1876), 154 states have call predecessors, (1876), 154 states have return successors, (2093), 1851 states have call predecessors, (2093), 1874 states have call successors, (2093) [2025-02-05 16:21:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5082 states to 5082 states and 7687 transitions. [2025-02-05 16:21:31,970 INFO L78 Accepts]: Start accepts. Automaton has 5082 states and 7687 transitions. Word has length 1144 [2025-02-05 16:21:31,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:31,971 INFO L471 AbstractCegarLoop]: Abstraction has 5082 states and 7687 transitions. [2025-02-05 16:21:31,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 3 states have call successors, (152), 2 states have call predecessors, (152), 4 states have return successors, (151), 3 states have call predecessors, (151), 3 states have call successors, (151) [2025-02-05 16:21:31,971 INFO L276 IsEmpty]: Start isEmpty. Operand 5082 states and 7687 transitions. [2025-02-05 16:21:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2025-02-05 16:21:32,036 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:32,037 INFO L218 NwaCegarLoop]: trace histogram [137, 137, 137, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:32,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-05 16:21:32,037 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:32,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:32,037 INFO L85 PathProgramCache]: Analyzing trace with hash 872773038, now seen corresponding path program 1 times [2025-02-05 16:21:32,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:32,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252655766] [2025-02-05 16:21:32,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:32,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:32,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1094 statements into 1 equivalence classes. [2025-02-05 16:21:32,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1094 of 1094 statements. [2025-02-05 16:21:32,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:32,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 37464 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 37444 trivial. 0 not checked. [2025-02-05 16:21:35,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:35,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252655766] [2025-02-05 16:21:35,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252655766] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:35,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:35,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:21:35,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016025566] [2025-02-05 16:21:35,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:35,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:21:35,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:35,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:21:35,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:35,015 INFO L87 Difference]: Start difference. First operand 5082 states and 7687 transitions. Second operand has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) [2025-02-05 16:21:35,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:35,384 INFO L93 Difference]: Finished difference Result 5090 states and 7693 transitions. [2025-02-05 16:21:35,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:35,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) Word has length 1094 [2025-02-05 16:21:35,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:35,409 INFO L225 Difference]: With dead ends: 5090 [2025-02-05 16:21:35,409 INFO L226 Difference]: Without dead ends: 5088 [2025-02-05 16:21:35,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-05 16:21:35,419 INFO L435 NwaCegarLoop]: 2040 mSDtfsCounter, 1543 mSDsluCounter, 6894 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 8934 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:35,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 8934 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-05 16:21:35,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5088 states. [2025-02-05 16:21:35,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5088 to 5086. [2025-02-05 16:21:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5086 states, 3054 states have (on average 1.2184020956123118) internal successors, (3721), 3271 states have internal predecessors, (3721), 1876 states have call successors, (1876), 155 states have call predecessors, (1876), 155 states have return successors, (2093), 1851 states have call predecessors, (2093), 1874 states have call successors, (2093) [2025-02-05 16:21:35,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5086 states to 5086 states and 7690 transitions. [2025-02-05 16:21:35,892 INFO L78 Accepts]: Start accepts. Automaton has 5086 states and 7690 transitions. Word has length 1094 [2025-02-05 16:21:35,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:35,893 INFO L471 AbstractCegarLoop]: Abstraction has 5086 states and 7690 transitions. [2025-02-05 16:21:35,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 2 states have call successors, (148), 2 states have call predecessors, (148), 1 states have return successors, (147), 1 states have call predecessors, (147), 1 states have call successors, (147) [2025-02-05 16:21:35,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5086 states and 7690 transitions. [2025-02-05 16:21:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1150 [2025-02-05 16:21:35,927 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:35,927 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:35,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-05 16:21:35,928 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:35,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:35,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1156720248, now seen corresponding path program 1 times [2025-02-05 16:21:35,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:35,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278028880] [2025-02-05 16:21:35,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:35,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:36,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1149 statements into 1 equivalence classes. [2025-02-05 16:21:36,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1149 of 1149 statements. [2025-02-05 16:21:36,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:36,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 38377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38377 trivial. 0 not checked. [2025-02-05 16:21:36,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:36,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278028880] [2025-02-05 16:21:36,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278028880] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:36,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 16:21:36,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 16:21:36,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888066199] [2025-02-05 16:21:36,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:36,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 16:21:36,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:36,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 16:21:36,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 16:21:36,921 INFO L87 Difference]: Start difference. First operand 5086 states and 7690 transitions. Second operand has 6 states, 6 states have (on average 70.0) internal successors, (420), 6 states have internal predecessors, (420), 4 states have call successors, (153), 2 states have call predecessors, (153), 4 states have return successors, (152), 4 states have call predecessors, (152), 4 states have call successors, (152) [2025-02-05 16:21:38,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:38,792 INFO L93 Difference]: Finished difference Result 9257 states and 14386 transitions. [2025-02-05 16:21:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:38,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 70.0) internal successors, (420), 6 states have internal predecessors, (420), 4 states have call successors, (153), 2 states have call predecessors, (153), 4 states have return successors, (152), 4 states have call predecessors, (152), 4 states have call successors, (152) Word has length 1149 [2025-02-05 16:21:38,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 16:21:38,823 INFO L225 Difference]: With dead ends: 9257 [2025-02-05 16:21:38,823 INFO L226 Difference]: Without dead ends: 5137 [2025-02-05 16:21:38,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-05 16:21:38,852 INFO L435 NwaCegarLoop]: 2129 mSDtfsCounter, 2150 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2150 SdHoareTripleChecker+Valid, 4377 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-05 16:21:38,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2150 Valid, 4377 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-05 16:21:38,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5137 states. [2025-02-05 16:21:39,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5137 to 5137. [2025-02-05 16:21:39,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 3093 states have (on average 1.2182347235693503) internal successors, (3768), 3310 states have internal predecessors, (3768), 1881 states have call successors, (1881), 162 states have call predecessors, (1881), 162 states have return successors, (2098), 1856 states have call predecessors, (2098), 1879 states have call successors, (2098) [2025-02-05 16:21:39,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 7747 transitions. [2025-02-05 16:21:39,300 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 7747 transitions. Word has length 1149 [2025-02-05 16:21:39,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 16:21:39,300 INFO L471 AbstractCegarLoop]: Abstraction has 5137 states and 7747 transitions. [2025-02-05 16:21:39,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.0) internal successors, (420), 6 states have internal predecessors, (420), 4 states have call successors, (153), 2 states have call predecessors, (153), 4 states have return successors, (152), 4 states have call predecessors, (152), 4 states have call successors, (152) [2025-02-05 16:21:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 7747 transitions. [2025-02-05 16:21:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1150 [2025-02-05 16:21:39,329 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:39,330 INFO L218 NwaCegarLoop]: trace histogram [139, 139, 139, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 16:21:39,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-05 16:21:39,330 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:39,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:39,331 INFO L85 PathProgramCache]: Analyzing trace with hash -44746354, now seen corresponding path program 1 times [2025-02-05 16:21:39,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:39,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498824521] [2025-02-05 16:21:39,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:39,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:39,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1149 statements into 1 equivalence classes. [2025-02-05 16:21:39,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1149 of 1149 statements. [2025-02-05 16:21:39,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:39,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 38380 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38376 trivial. 0 not checked. [2025-02-05 16:21:40,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:40,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498824521] [2025-02-05 16:21:40,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498824521] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 16:21:40,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265439841] [2025-02-05 16:21:40,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:40,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 16:21:40,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 16:21:40,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 16:21:40,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-05 16:21:41,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1149 statements into 1 equivalence classes. [2025-02-05 16:21:41,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1149 of 1149 statements. [2025-02-05 16:21:41,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:41,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:41,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 4402 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-05 16:21:41,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 16:21:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 38380 backedges. 13996 proven. 0 refuted. 0 times theorem prover too weak. 24384 trivial. 0 not checked. [2025-02-05 16:21:41,999 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 16:21:41,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265439841] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:21:41,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 16:21:41,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2025-02-05 16:21:41,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896834360] [2025-02-05 16:21:41,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:21:42,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 16:21:42,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:21:42,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 16:21:42,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-05 16:21:42,001 INFO L87 Difference]: Start difference. First operand 5137 states and 7747 transitions. Second operand has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) [2025-02-05 16:21:43,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 16:21:43,014 INFO L93 Difference]: Finished difference Result 7271 states and 11084 transitions. [2025-02-05 16:21:43,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 16:21:43,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 3 states have call successors, (153), 3 states have call predecessors, (153), 3 states have return successors, (152), 3 states have call predecessors, (152), 3 states have call successors, (152) Word has length 1149 [2025-02-05 16:21:43,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted.