./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1 --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 a71ef89e0c9f3635b059609e166e2ca02077ae52d17a785a0f63b8520dafcb51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:17:54,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:17:55,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:17:55,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:17:55,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:17:55,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:17:55,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:17:55,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:17:55,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:17:55,071 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:17:55,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:17:55,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:17:55,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:17:55,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:17:55,071 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:17:55,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:17:55,072 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:17:55,073 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:17:55,073 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:17:55,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:17:55,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:17:55,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:17:55,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:17:55,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:17:55,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:17:55,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:17:55,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:17:55,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:17:55,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:17:55,074 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1 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 -> a71ef89e0c9f3635b059609e166e2ca02077ae52d17a785a0f63b8520dafcb51 [2024-12-02 14:17:55,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:17:55,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:17:55,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:17:55,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:17:55,316 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:17:55,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i [2024-12-02 14:17:57,951 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data/5dd4947c8/2a8fef1a4dc34ffe813e39449122fa06/FLAG049ea93aa [2024-12-02 14:17:58,147 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:17:58,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i [2024-12-02 14:17:58,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data/5dd4947c8/2a8fef1a4dc34ffe813e39449122fa06/FLAG049ea93aa [2024-12-02 14:17:58,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data/5dd4947c8/2a8fef1a4dc34ffe813e39449122fa06 [2024-12-02 14:17:58,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:17:58,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:17:58,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:17:58,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:17:58,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:17:58,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573580c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58, skipping insertion in model container [2024-12-02 14:17:58,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:17:58,614 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i[916,929] [2024-12-02 14:17:58,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:17:58,663 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:17:58,671 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i[916,929] [2024-12-02 14:17:58,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:17:58,704 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:17:58,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58 WrapperNode [2024-12-02 14:17:58,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:17:58,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:17:58,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:17:58,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:17:58,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,750 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 553 [2024-12-02 14:17:58,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:17:58,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:17:58,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:17:58,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:17:58,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,765 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,788 INFO L175 MemorySlicer]: Split 132 memory accesses to 15 slices as follows [2, 7, 8, 18, 3, 5, 5, 10, 8, 8, 8, 35, 6, 3, 6]. 27 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-12-02 14:17:58,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:17:58,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:17:58,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:17:58,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:17:58,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (1/1) ... [2024-12-02 14:17:58,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:17:58,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:17:58,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:17:58,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-12-02 14:17:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 14:17:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-12-02 14:17:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 14:17:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:17:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:17:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 14:17:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:17:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:17:59,060 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:17:59,061 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:17:59,519 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-12-02 14:17:59,519 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:17:59,529 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:17:59,529 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:17:59,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:59 BoogieIcfgContainer [2024-12-02 14:17:59,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:17:59,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:17:59,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:17:59,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:17:59,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:17:58" (1/3) ... [2024-12-02 14:17:59,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abbae3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:17:59, skipping insertion in model container [2024-12-02 14:17:59,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:58" (2/3) ... [2024-12-02 14:17:59,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abbae3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:17:59, skipping insertion in model container [2024-12-02 14:17:59,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:59" (3/3) ... [2024-12-02 14:17:59,539 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-70.i [2024-12-02 14:17:59,553 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:17:59,554 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-70.i that has 2 procedures, 111 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:17:59,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:17:59,617 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;@30acd6a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:17:59,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:17:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 96 states have (on average 1.4375) internal successors, (138), 97 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:17:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 14:17:59,630 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:17:59,631 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:17:59,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:17:59,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:17:59,636 INFO L85 PathProgramCache]: Analyzing trace with hash 521439153, now seen corresponding path program 1 times [2024-12-02 14:17:59,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:17:59,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926054997] [2024-12-02 14:17:59,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:17:59,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:17:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:17:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-12-02 14:17:59,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:17:59,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926054997] [2024-12-02 14:17:59,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926054997] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:17:59,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202173553] [2024-12-02 14:17:59,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:17:59,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:17:59,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:17:59,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:17:59,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:18:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:00,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:18:00,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:00,222 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-12-02 14:18:00,222 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:00,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202173553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:00,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:18:00,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:18:00,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594567469] [2024-12-02 14:18:00,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:00,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:18:00,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:00,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:18:00,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:18:00,245 INFO L87 Difference]: Start difference. First operand has 111 states, 96 states have (on average 1.4375) internal successors, (138), 97 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:00,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:00,284 INFO L93 Difference]: Finished difference Result 215 states and 330 transitions. [2024-12-02 14:18:00,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:18:00,286 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-12-02 14:18:00,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:00,292 INFO L225 Difference]: With dead ends: 215 [2024-12-02 14:18:00,292 INFO L226 Difference]: Without dead ends: 107 [2024-12-02 14:18:00,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:18:00,297 INFO L435 NwaCegarLoop]: 155 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, 155 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 [2024-12-02 14:18:00,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:00,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-12-02 14:18:00,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-12-02 14:18:00,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.4086021505376345) internal successors, (131), 93 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-12-02 14:18:00,332 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 116 [2024-12-02 14:18:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:00,332 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-12-02 14:18:00,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-12-02 14:18:00,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 14:18:00,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:00,335 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:00,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:18:00,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:18:00,536 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:00,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:00,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1453723071, now seen corresponding path program 1 times [2024-12-02 14:18:00,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:00,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880330694] [2024-12-02 14:18:00,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:00,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:00,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:00,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880330694] [2024-12-02 14:18:00,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880330694] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:00,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:00,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:18:00,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250741508] [2024-12-02 14:18:00,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:00,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:18:00,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:00,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:18:00,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:18:00,782 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:00,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:00,822 INFO L93 Difference]: Finished difference Result 213 states and 310 transitions. [2024-12-02 14:18:00,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:18:00,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-12-02 14:18:00,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:00,824 INFO L225 Difference]: With dead ends: 213 [2024-12-02 14:18:00,824 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 14:18:00,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:18:00,826 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:00,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:00,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 14:18:00,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-12-02 14:18:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-12-02 14:18:00,836 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 116 [2024-12-02 14:18:00,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:00,837 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-12-02 14:18:00,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-12-02 14:18:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 14:18:00,839 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:00,839 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:00,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:18:00,840 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:00,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:00,840 INFO L85 PathProgramCache]: Analyzing trace with hash -961096897, now seen corresponding path program 1 times [2024-12-02 14:18:00,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:00,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082971710] [2024-12-02 14:18:00,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:00,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 14:18:01,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:01,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082971710] [2024-12-02 14:18:01,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082971710] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:18:01,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475702254] [2024-12-02 14:18:01,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:01,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:18:01,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:18:01,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:18:01,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:18:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:01,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:18:01,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:01,416 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:01,416 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:01,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475702254] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:01,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:18:01,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 14:18:01,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958043958] [2024-12-02 14:18:01,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:01,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:18:01,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:01,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:18:01,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:18:01,418 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:01,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:01,450 INFO L93 Difference]: Finished difference Result 218 states and 315 transitions. [2024-12-02 14:18:01,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:18:01,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-12-02 14:18:01,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:01,452 INFO L225 Difference]: With dead ends: 218 [2024-12-02 14:18:01,452 INFO L226 Difference]: Without dead ends: 112 [2024-12-02 14:18:01,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:18:01,454 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:01,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 445 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:01,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-12-02 14:18:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2024-12-02 14:18:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2024-12-02 14:18:01,462 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 116 [2024-12-02 14:18:01,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:01,462 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2024-12-02 14:18:01,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2024-12-02 14:18:01,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 14:18:01,464 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:01,464 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:01,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:18:01,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-12-02 14:18:01,665 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:01,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:01,666 INFO L85 PathProgramCache]: Analyzing trace with hash 813910465, now seen corresponding path program 1 times [2024-12-02 14:18:01,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:01,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510849623] [2024-12-02 14:18:01,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:01,956 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 14:18:01,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:01,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510849623] [2024-12-02 14:18:01,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510849623] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:18:01,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17699101] [2024-12-02 14:18:01,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:01,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:18:01,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:18:01,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:18:01,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:18:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:02,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:18:02,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:02,259 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:02,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17699101] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:02,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:18:02,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 14:18:02,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470223809] [2024-12-02 14:18:02,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:02,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:18:02,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:02,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:18:02,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:18:02,261 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:02,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:02,288 INFO L93 Difference]: Finished difference Result 222 states and 319 transitions. [2024-12-02 14:18:02,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:18:02,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-12-02 14:18:02,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:02,290 INFO L225 Difference]: With dead ends: 222 [2024-12-02 14:18:02,290 INFO L226 Difference]: Without dead ends: 114 [2024-12-02 14:18:02,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:18:02,292 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:02,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:02,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-12-02 14:18:02,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-12-02 14:18:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 99 states have internal predecessors, (137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 161 transitions. [2024-12-02 14:18:02,301 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 161 transitions. Word has length 116 [2024-12-02 14:18:02,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:02,302 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 161 transitions. [2024-12-02 14:18:02,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2024-12-02 14:18:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 14:18:02,304 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:02,304 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:02,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:18:02,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:18:02,505 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:02,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:02,505 INFO L85 PathProgramCache]: Analyzing trace with hash 815757507, now seen corresponding path program 1 times [2024-12-02 14:18:02,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:02,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416041243] [2024-12-02 14:18:02,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:02,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 14:18:02,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:02,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416041243] [2024-12-02 14:18:02,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416041243] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:18:02,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453731332] [2024-12-02 14:18:02,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:02,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:18:02,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:18:02,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:18:02,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:18:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:03,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:18:03,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:03,089 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:03,089 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:03,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453731332] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:03,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:18:03,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-12-02 14:18:03,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443410402] [2024-12-02 14:18:03,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:03,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:18:03,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:03,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:18:03,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:18:03,091 INFO L87 Difference]: Start difference. First operand 113 states and 161 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:03,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:03,117 INFO L93 Difference]: Finished difference Result 225 states and 322 transitions. [2024-12-02 14:18:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:18:03,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-12-02 14:18:03,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:03,119 INFO L225 Difference]: With dead ends: 225 [2024-12-02 14:18:03,119 INFO L226 Difference]: Without dead ends: 115 [2024-12-02 14:18:03,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:18:03,120 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:03,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:03,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-12-02 14:18:03,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-12-02 14:18:03,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 101 states have (on average 1.3762376237623761) internal successors, (139), 101 states have internal predecessors, (139), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-12-02 14:18:03,129 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 116 [2024-12-02 14:18:03,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:03,129 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-12-02 14:18:03,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-12-02 14:18:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 14:18:03,131 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:03,132 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:03,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 14:18:03,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:18:03,332 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:03,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:03,333 INFO L85 PathProgramCache]: Analyzing trace with hash -45863554, now seen corresponding path program 1 times [2024-12-02 14:18:03,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:03,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270839571] [2024-12-02 14:18:03,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:03,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:03,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:03,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270839571] [2024-12-02 14:18:03,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270839571] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:03,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:03,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:18:03,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104112389] [2024-12-02 14:18:03,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:03,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:03,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:03,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:03,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:18:03,723 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:03,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:03,797 INFO L93 Difference]: Finished difference Result 281 states and 398 transitions. [2024-12-02 14:18:03,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:18:03,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-12-02 14:18:03,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:03,799 INFO L225 Difference]: With dead ends: 281 [2024-12-02 14:18:03,799 INFO L226 Difference]: Without dead ends: 169 [2024-12-02 14:18:03,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:03,801 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 62 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:03,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 582 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:03,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-12-02 14:18:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 132. [2024-12-02 14:18:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 118 states have (on average 1.3898305084745763) internal successors, (164), 118 states have internal predecessors, (164), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 188 transitions. [2024-12-02 14:18:03,810 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 188 transitions. Word has length 118 [2024-12-02 14:18:03,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:03,810 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 188 transitions. [2024-12-02 14:18:03,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:03,810 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 188 transitions. [2024-12-02 14:18:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:18:03,812 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:03,812 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:03,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:18:03,812 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:03,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:03,813 INFO L85 PathProgramCache]: Analyzing trace with hash -415824786, now seen corresponding path program 1 times [2024-12-02 14:18:03,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:03,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267217545] [2024-12-02 14:18:03,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:03,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:04,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:04,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267217545] [2024-12-02 14:18:04,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267217545] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:04,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:04,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:18:04,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312780583] [2024-12-02 14:18:04,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:04,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:18:04,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:04,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:18:04,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:04,310 INFO L87 Difference]: Start difference. First operand 132 states and 188 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:04,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:04,390 INFO L93 Difference]: Finished difference Result 395 states and 565 transitions. [2024-12-02 14:18:04,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:18:04,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-12-02 14:18:04,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:04,392 INFO L225 Difference]: With dead ends: 395 [2024-12-02 14:18:04,392 INFO L226 Difference]: Without dead ends: 266 [2024-12-02 14:18:04,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:18:04,393 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 142 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:04,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1140 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:04,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-12-02 14:18:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 264. [2024-12-02 14:18:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 237 states have (on average 1.3881856540084387) internal successors, (329), 237 states have internal predecessors, (329), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 14:18:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 377 transitions. [2024-12-02 14:18:04,410 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 377 transitions. Word has length 119 [2024-12-02 14:18:04,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:04,410 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 377 transitions. [2024-12-02 14:18:04,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 377 transitions. [2024-12-02 14:18:04,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:18:04,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:04,412 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:04,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:18:04,412 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:04,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:04,412 INFO L85 PathProgramCache]: Analyzing trace with hash -353785172, now seen corresponding path program 1 times [2024-12-02 14:18:04,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:04,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078319001] [2024-12-02 14:18:04,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:04,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:04,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:04,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078319001] [2024-12-02 14:18:04,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078319001] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:04,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:04,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:18:04,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598363189] [2024-12-02 14:18:04,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:04,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:04,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:04,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:04,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:18:04,732 INFO L87 Difference]: Start difference. First operand 264 states and 377 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:04,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:04,793 INFO L93 Difference]: Finished difference Result 599 states and 850 transitions. [2024-12-02 14:18:04,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:18:04,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-12-02 14:18:04,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:04,795 INFO L225 Difference]: With dead ends: 599 [2024-12-02 14:18:04,795 INFO L226 Difference]: Without dead ends: 338 [2024-12-02 14:18:04,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:04,796 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 57 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:04,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 630 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:04,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-12-02 14:18:04,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 272. [2024-12-02 14:18:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 245 states have (on average 1.3755102040816327) internal successors, (337), 245 states have internal predecessors, (337), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 14:18:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 385 transitions. [2024-12-02 14:18:04,810 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 385 transitions. Word has length 119 [2024-12-02 14:18:04,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:04,811 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 385 transitions. [2024-12-02 14:18:04,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 385 transitions. [2024-12-02 14:18:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 14:18:04,812 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:04,812 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:04,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:18:04,813 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:04,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:04,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1098603197, now seen corresponding path program 1 times [2024-12-02 14:18:04,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:04,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362966253] [2024-12-02 14:18:04,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:04,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:05,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:05,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362966253] [2024-12-02 14:18:05,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362966253] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:05,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:05,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:18:05,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560522542] [2024-12-02 14:18:05,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:05,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:18:05,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:05,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:18:05,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:18:05,124 INFO L87 Difference]: Start difference. First operand 272 states and 385 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:05,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:05,190 INFO L93 Difference]: Finished difference Result 541 states and 767 transitions. [2024-12-02 14:18:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:18:05,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-12-02 14:18:05,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:05,192 INFO L225 Difference]: With dead ends: 541 [2024-12-02 14:18:05,192 INFO L226 Difference]: Without dead ends: 272 [2024-12-02 14:18:05,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:18:05,194 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:05,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 406 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:05,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-12-02 14:18:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-12-02 14:18:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 245 states have (on average 1.3591836734693878) internal successors, (333), 245 states have internal predecessors, (333), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 14:18:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 381 transitions. [2024-12-02 14:18:05,207 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 381 transitions. Word has length 120 [2024-12-02 14:18:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:05,207 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 381 transitions. [2024-12-02 14:18:05,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 381 transitions. [2024-12-02 14:18:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:18:05,208 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:05,208 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:05,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:18:05,209 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:05,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:05,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1461107900, now seen corresponding path program 1 times [2024-12-02 14:18:05,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:05,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708652876] [2024-12-02 14:18:05,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:05,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:05,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:05,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708652876] [2024-12-02 14:18:05,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708652876] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:05,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:05,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:18:05,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762808316] [2024-12-02 14:18:05,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:05,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:18:05,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:05,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:18:05,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:18:05,425 INFO L87 Difference]: Start difference. First operand 272 states and 381 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:05,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:05,473 INFO L93 Difference]: Finished difference Result 541 states and 759 transitions. [2024-12-02 14:18:05,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:18:05,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2024-12-02 14:18:05,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:05,475 INFO L225 Difference]: With dead ends: 541 [2024-12-02 14:18:05,475 INFO L226 Difference]: Without dead ends: 272 [2024-12-02 14:18:05,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:18:05,476 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:05,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 281 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:05,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-12-02 14:18:05,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-12-02 14:18:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 245 states have (on average 1.3428571428571427) internal successors, (329), 245 states have internal predecessors, (329), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 14:18:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 377 transitions. [2024-12-02 14:18:05,490 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 377 transitions. Word has length 122 [2024-12-02 14:18:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:05,490 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 377 transitions. [2024-12-02 14:18:05,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 377 transitions. [2024-12-02 14:18:05,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:18:05,492 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:05,492 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:05,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:18:05,492 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:05,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:05,493 INFO L85 PathProgramCache]: Analyzing trace with hash -227835842, now seen corresponding path program 1 times [2024-12-02 14:18:05,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:05,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87192644] [2024-12-02 14:18:05,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:05,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:07,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:07,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87192644] [2024-12-02 14:18:07,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87192644] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:07,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:07,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 14:18:07,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437648221] [2024-12-02 14:18:07,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:07,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:18:07,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:07,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:18:07,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:18:07,055 INFO L87 Difference]: Start difference. First operand 272 states and 377 transitions. Second operand has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:08,066 INFO L93 Difference]: Finished difference Result 983 states and 1367 transitions. [2024-12-02 14:18:08,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 14:18:08,067 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 122 [2024-12-02 14:18:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:08,070 INFO L225 Difference]: With dead ends: 983 [2024-12-02 14:18:08,070 INFO L226 Difference]: Without dead ends: 714 [2024-12-02 14:18:08,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2024-12-02 14:18:08,072 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 485 mSDsluCounter, 1856 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:08,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 2095 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:18:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-12-02 14:18:08,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 310. [2024-12-02 14:18:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 283 states have (on average 1.353356890459364) internal successors, (383), 283 states have internal predecessors, (383), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 14:18:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 431 transitions. [2024-12-02 14:18:08,108 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 431 transitions. Word has length 122 [2024-12-02 14:18:08,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:08,108 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 431 transitions. [2024-12-02 14:18:08,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:08,109 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 431 transitions. [2024-12-02 14:18:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:18:08,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:08,110 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:08,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:18:08,110 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:08,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:08,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1248904196, now seen corresponding path program 1 times [2024-12-02 14:18:08,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:08,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642304772] [2024-12-02 14:18:08,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:08,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:08,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:08,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642304772] [2024-12-02 14:18:08,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642304772] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:08,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:08,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:18:08,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033054902] [2024-12-02 14:18:08,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:08,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:18:08,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:08,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:18:08,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:18:08,502 INFO L87 Difference]: Start difference. First operand 310 states and 431 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:18:08,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:08,751 INFO L93 Difference]: Finished difference Result 744 states and 1025 transitions. [2024-12-02 14:18:08,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:18:08,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2024-12-02 14:18:08,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:08,754 INFO L225 Difference]: With dead ends: 744 [2024-12-02 14:18:08,754 INFO L226 Difference]: Without dead ends: 437 [2024-12-02 14:18:08,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:18:08,755 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 214 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:08,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 842 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:18:08,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-12-02 14:18:08,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 433. [2024-12-02 14:18:08,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 400 states have (on average 1.335) internal successors, (534), 402 states have internal predecessors, (534), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:18:08,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 590 transitions. [2024-12-02 14:18:08,790 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 590 transitions. Word has length 122 [2024-12-02 14:18:08,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:08,790 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 590 transitions. [2024-12-02 14:18:08,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:18:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 590 transitions. [2024-12-02 14:18:08,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:18:08,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:08,792 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:08,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:18:08,792 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:08,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:08,793 INFO L85 PathProgramCache]: Analyzing trace with hash 473764032, now seen corresponding path program 1 times [2024-12-02 14:18:08,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:08,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208654599] [2024-12-02 14:18:08,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:08,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:09,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:09,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208654599] [2024-12-02 14:18:09,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208654599] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:09,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:09,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:18:09,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386648885] [2024-12-02 14:18:09,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:09,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:18:09,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:09,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:18:09,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:18:09,158 INFO L87 Difference]: Start difference. First operand 433 states and 590 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:18:09,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:09,409 INFO L93 Difference]: Finished difference Result 945 states and 1280 transitions. [2024-12-02 14:18:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:18:09,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2024-12-02 14:18:09,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:09,413 INFO L225 Difference]: With dead ends: 945 [2024-12-02 14:18:09,413 INFO L226 Difference]: Without dead ends: 515 [2024-12-02 14:18:09,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:18:09,415 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 234 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:09,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 745 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:18:09,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-12-02 14:18:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 414. [2024-12-02 14:18:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 381 states have (on average 1.3254593175853018) internal successors, (505), 383 states have internal predecessors, (505), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:18:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 561 transitions. [2024-12-02 14:18:09,453 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 561 transitions. Word has length 122 [2024-12-02 14:18:09,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:09,454 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 561 transitions. [2024-12-02 14:18:09,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:18:09,454 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 561 transitions. [2024-12-02 14:18:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:18:09,455 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:09,456 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:09,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:18:09,456 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:09,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:09,456 INFO L85 PathProgramCache]: Analyzing trace with hash -547304322, now seen corresponding path program 1 times [2024-12-02 14:18:09,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:09,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26938950] [2024-12-02 14:18:09,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:09,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:10,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:10,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26938950] [2024-12-02 14:18:10,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26938950] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:10,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:10,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 14:18:10,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035266437] [2024-12-02 14:18:10,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:10,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:18:10,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:10,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:18:10,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:18:10,372 INFO L87 Difference]: Start difference. First operand 414 states and 561 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:10,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:10,801 INFO L93 Difference]: Finished difference Result 725 states and 978 transitions. [2024-12-02 14:18:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:18:10,801 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 122 [2024-12-02 14:18:10,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:10,804 INFO L225 Difference]: With dead ends: 725 [2024-12-02 14:18:10,804 INFO L226 Difference]: Without dead ends: 519 [2024-12-02 14:18:10,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:18:10,805 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 214 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:10,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 1293 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:18:10,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-12-02 14:18:10,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 418. [2024-12-02 14:18:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 385 states have (on average 1.316883116883117) internal successors, (507), 387 states have internal predecessors, (507), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:18:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 563 transitions. [2024-12-02 14:18:10,843 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 563 transitions. Word has length 122 [2024-12-02 14:18:10,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:10,844 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 563 transitions. [2024-12-02 14:18:10,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 563 transitions. [2024-12-02 14:18:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 14:18:10,845 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:10,845 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:10,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:18:10,846 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:10,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:10,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1375923712, now seen corresponding path program 1 times [2024-12-02 14:18:10,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:10,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708396263] [2024-12-02 14:18:10,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:10,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:12,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:12,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708396263] [2024-12-02 14:18:12,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708396263] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:12,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:12,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 14:18:12,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458916451] [2024-12-02 14:18:12,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:12,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 14:18:12,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:12,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 14:18:12,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:18:12,720 INFO L87 Difference]: Start difference. First operand 418 states and 563 transitions. Second operand has 18 states, 15 states have (on average 4.333333333333333) internal successors, (65), 17 states have internal predecessors, (65), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-12-02 14:18:14,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:14,762 INFO L93 Difference]: Finished difference Result 1061 states and 1416 transitions. [2024-12-02 14:18:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 14:18:14,763 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 4.333333333333333) internal successors, (65), 17 states have internal predecessors, (65), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) Word has length 122 [2024-12-02 14:18:14,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:14,766 INFO L225 Difference]: With dead ends: 1061 [2024-12-02 14:18:14,766 INFO L226 Difference]: Without dead ends: 646 [2024-12-02 14:18:14,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=189, Invalid=933, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 14:18:14,767 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 410 mSDsluCounter, 2002 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:14,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 2220 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 14:18:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-12-02 14:18:14,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 442. [2024-12-02 14:18:14,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 409 states have (on average 1.3178484107579462) internal successors, (539), 411 states have internal predecessors, (539), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:18:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 595 transitions. [2024-12-02 14:18:14,826 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 595 transitions. Word has length 122 [2024-12-02 14:18:14,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:14,827 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 595 transitions. [2024-12-02 14:18:14,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 4.333333333333333) internal successors, (65), 17 states have internal predecessors, (65), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-12-02 14:18:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 595 transitions. [2024-12-02 14:18:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 14:18:14,828 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:14,828 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:14,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:18:14,829 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:14,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:14,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1874503042, now seen corresponding path program 1 times [2024-12-02 14:18:14,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:14,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441437051] [2024-12-02 14:18:14,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:14,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:15,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:15,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441437051] [2024-12-02 14:18:15,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441437051] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:15,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:15,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:18:15,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509982477] [2024-12-02 14:18:15,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:15,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:18:15,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:15,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:18:15,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:18:15,354 INFO L87 Difference]: Start difference. First operand 442 states and 595 transitions. Second operand has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:15,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:15,609 INFO L93 Difference]: Finished difference Result 1166 states and 1570 transitions. [2024-12-02 14:18:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:18:15,610 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 123 [2024-12-02 14:18:15,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:15,612 INFO L225 Difference]: With dead ends: 1166 [2024-12-02 14:18:15,612 INFO L226 Difference]: Without dead ends: 727 [2024-12-02 14:18:15,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:18:15,613 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 260 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:15,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 758 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:18:15,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-12-02 14:18:15,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 446. [2024-12-02 14:18:15,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 413 states have (on average 1.305084745762712) internal successors, (539), 415 states have internal predecessors, (539), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:18:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 595 transitions. [2024-12-02 14:18:15,643 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 595 transitions. Word has length 123 [2024-12-02 14:18:15,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:15,644 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 595 transitions. [2024-12-02 14:18:15,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 595 transitions. [2024-12-02 14:18:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 14:18:15,645 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:15,645 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:15,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:18:15,645 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:15,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:15,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2023495788, now seen corresponding path program 1 times [2024-12-02 14:18:15,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:15,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049740357] [2024-12-02 14:18:15,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:15,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:15,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:15,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049740357] [2024-12-02 14:18:15,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049740357] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:15,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:15,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:18:15,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370961442] [2024-12-02 14:18:15,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:15,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:15,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:15,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:15,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:18:15,775 INFO L87 Difference]: Start difference. First operand 446 states and 595 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:15,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:15,840 INFO L93 Difference]: Finished difference Result 893 states and 1190 transitions. [2024-12-02 14:18:15,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:18:15,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 123 [2024-12-02 14:18:15,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:15,842 INFO L225 Difference]: With dead ends: 893 [2024-12-02 14:18:15,842 INFO L226 Difference]: Without dead ends: 450 [2024-12-02 14:18:15,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:15,843 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 61 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:15,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 698 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:15,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-12-02 14:18:15,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 446. [2024-12-02 14:18:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 413 states have (on average 1.2857142857142858) internal successors, (531), 415 states have internal predecessors, (531), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:18:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 587 transitions. [2024-12-02 14:18:15,869 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 587 transitions. Word has length 123 [2024-12-02 14:18:15,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:15,870 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 587 transitions. [2024-12-02 14:18:15,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 587 transitions. [2024-12-02 14:18:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 14:18:15,870 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:15,870 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:15,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:18:15,871 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:15,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:15,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2086397604, now seen corresponding path program 1 times [2024-12-02 14:18:15,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:15,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068164455] [2024-12-02 14:18:15,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:15,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:17,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:17,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068164455] [2024-12-02 14:18:17,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068164455] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:17,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:17,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 14:18:17,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148323195] [2024-12-02 14:18:17,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:17,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:18:17,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:17,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:18:17,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:18:17,160 INFO L87 Difference]: Start difference. First operand 446 states and 587 transitions. Second operand has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:17,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:17,892 INFO L93 Difference]: Finished difference Result 1084 states and 1436 transitions. [2024-12-02 14:18:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:18:17,893 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 124 [2024-12-02 14:18:17,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:17,895 INFO L225 Difference]: With dead ends: 1084 [2024-12-02 14:18:17,895 INFO L226 Difference]: Without dead ends: 641 [2024-12-02 14:18:17,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2024-12-02 14:18:17,896 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 232 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:17,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1796 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:18:17,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-12-02 14:18:17,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 609. [2024-12-02 14:18:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 548 states have (on average 1.2974452554744527) internal successors, (711), 552 states have internal predecessors, (711), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 14:18:17,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 815 transitions. [2024-12-02 14:18:17,939 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 815 transitions. Word has length 124 [2024-12-02 14:18:17,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:17,940 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 815 transitions. [2024-12-02 14:18:17,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 815 transitions. [2024-12-02 14:18:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 14:18:17,940 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:17,941 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:17,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 14:18:17,941 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:17,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:17,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1915821210, now seen corresponding path program 1 times [2024-12-02 14:18:17,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:17,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852521567] [2024-12-02 14:18:17,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:17,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:19,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:19,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852521567] [2024-12-02 14:18:19,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852521567] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:19,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:19,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 14:18:19,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526843848] [2024-12-02 14:18:19,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:19,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 14:18:19,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:19,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 14:18:19,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:18:19,798 INFO L87 Difference]: Start difference. First operand 609 states and 815 transitions. Second operand has 19 states, 16 states have (on average 4.1875) internal successors, (67), 18 states have internal predecessors, (67), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-12-02 14:18:21,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:21,005 INFO L93 Difference]: Finished difference Result 1226 states and 1637 transitions. [2024-12-02 14:18:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:18:21,006 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 4.1875) internal successors, (67), 18 states have internal predecessors, (67), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) Word has length 124 [2024-12-02 14:18:21,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:21,008 INFO L225 Difference]: With dead ends: 1226 [2024-12-02 14:18:21,009 INFO L226 Difference]: Without dead ends: 620 [2024-12-02 14:18:21,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=163, Invalid=829, Unknown=0, NotChecked=0, Total=992 [2024-12-02 14:18:21,010 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 214 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 1812 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:21,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 1812 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:18:21,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-12-02 14:18:21,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 581. [2024-12-02 14:18:21,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 520 states have (on average 1.3) internal successors, (676), 524 states have internal predecessors, (676), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 14:18:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 780 transitions. [2024-12-02 14:18:21,084 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 780 transitions. Word has length 124 [2024-12-02 14:18:21,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:21,084 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 780 transitions. [2024-12-02 14:18:21,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 4.1875) internal successors, (67), 18 states have internal predecessors, (67), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-12-02 14:18:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 780 transitions. [2024-12-02 14:18:21,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 14:18:21,085 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:21,085 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:21,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 14:18:21,085 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:21,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:21,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1185603153, now seen corresponding path program 1 times [2024-12-02 14:18:21,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:21,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308336400] [2024-12-02 14:18:21,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:21,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:22,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:22,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308336400] [2024-12-02 14:18:22,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308336400] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:22,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:22,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 14:18:22,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366385494] [2024-12-02 14:18:22,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:22,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:18:22,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:22,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:18:22,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:18:22,078 INFO L87 Difference]: Start difference. First operand 581 states and 780 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:18:23,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:23,464 INFO L93 Difference]: Finished difference Result 1399 states and 1858 transitions. [2024-12-02 14:18:23,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:18:23,465 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 125 [2024-12-02 14:18:23,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:23,468 INFO L225 Difference]: With dead ends: 1399 [2024-12-02 14:18:23,468 INFO L226 Difference]: Without dead ends: 821 [2024-12-02 14:18:23,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2024-12-02 14:18:23,470 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 409 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:23,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 1379 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 14:18:23,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-12-02 14:18:23,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 623. [2024-12-02 14:18:23,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 562 states have (on average 1.295373665480427) internal successors, (728), 566 states have internal predecessors, (728), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 14:18:23,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 832 transitions. [2024-12-02 14:18:23,551 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 832 transitions. Word has length 125 [2024-12-02 14:18:23,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:23,551 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 832 transitions. [2024-12-02 14:18:23,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:18:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 832 transitions. [2024-12-02 14:18:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 14:18:23,553 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:23,553 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:23,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 14:18:23,553 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:23,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:23,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1887203027, now seen corresponding path program 1 times [2024-12-02 14:18:23,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:23,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360157588] [2024-12-02 14:18:23,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:23,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:23,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:23,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360157588] [2024-12-02 14:18:23,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360157588] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:23,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:23,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:18:23,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518411080] [2024-12-02 14:18:23,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:23,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:23,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:23,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:23,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:18:23,755 INFO L87 Difference]: Start difference. First operand 623 states and 832 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:23,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:23,865 INFO L93 Difference]: Finished difference Result 1220 states and 1630 transitions. [2024-12-02 14:18:23,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:18:23,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 125 [2024-12-02 14:18:23,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:23,870 INFO L225 Difference]: With dead ends: 1220 [2024-12-02 14:18:23,870 INFO L226 Difference]: Without dead ends: 600 [2024-12-02 14:18:23,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:23,871 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 70 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:23,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 687 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:23,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-12-02 14:18:23,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 596. [2024-12-02 14:18:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 535 states have (on average 1.2897196261682242) internal successors, (690), 539 states have internal predecessors, (690), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 14:18:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 794 transitions. [2024-12-02 14:18:23,941 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 794 transitions. Word has length 125 [2024-12-02 14:18:23,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:23,942 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 794 transitions. [2024-12-02 14:18:23,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 794 transitions. [2024-12-02 14:18:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 14:18:23,943 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:23,943 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:23,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 14:18:23,944 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:23,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:23,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1547643409, now seen corresponding path program 1 times [2024-12-02 14:18:23,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:23,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400167745] [2024-12-02 14:18:23,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:23,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:24,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:24,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400167745] [2024-12-02 14:18:24,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400167745] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:24,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:24,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:18:24,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911940559] [2024-12-02 14:18:24,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:24,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:18:24,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:24,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:18:24,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:24,251 INFO L87 Difference]: Start difference. First operand 596 states and 794 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:24,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:24,420 INFO L93 Difference]: Finished difference Result 1201 states and 1596 transitions. [2024-12-02 14:18:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:18:24,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 125 [2024-12-02 14:18:24,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:24,422 INFO L225 Difference]: With dead ends: 1201 [2024-12-02 14:18:24,422 INFO L226 Difference]: Without dead ends: 608 [2024-12-02 14:18:24,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:18:24,424 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 57 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:24,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 905 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:24,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-12-02 14:18:24,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 309. [2024-12-02 14:18:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 278 states have (on average 1.2841726618705036) internal successors, (357), 280 states have internal predecessors, (357), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:18:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 409 transitions. [2024-12-02 14:18:24,470 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 409 transitions. Word has length 125 [2024-12-02 14:18:24,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:24,471 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 409 transitions. [2024-12-02 14:18:24,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 409 transitions. [2024-12-02 14:18:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 14:18:24,472 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:24,472 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:24,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 14:18:24,472 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:24,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:24,472 INFO L85 PathProgramCache]: Analyzing trace with hash 675458487, now seen corresponding path program 1 times [2024-12-02 14:18:24,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:24,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593238652] [2024-12-02 14:18:24,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:24,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:24,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:24,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593238652] [2024-12-02 14:18:24,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593238652] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:24,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:24,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:18:24,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936750074] [2024-12-02 14:18:24,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:24,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:24,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:24,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:24,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:18:24,627 INFO L87 Difference]: Start difference. First operand 309 states and 409 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:24,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:24,700 INFO L93 Difference]: Finished difference Result 618 states and 816 transitions. [2024-12-02 14:18:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:18:24,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 125 [2024-12-02 14:18:24,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:24,702 INFO L225 Difference]: With dead ends: 618 [2024-12-02 14:18:24,702 INFO L226 Difference]: Without dead ends: 312 [2024-12-02 14:18:24,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:24,703 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 65 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:24,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 561 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:24,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-12-02 14:18:24,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 308. [2024-12-02 14:18:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 277 states have (on average 1.2779783393501805) internal successors, (354), 279 states have internal predecessors, (354), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:18:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 406 transitions. [2024-12-02 14:18:24,745 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 406 transitions. Word has length 125 [2024-12-02 14:18:24,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:24,745 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 406 transitions. [2024-12-02 14:18:24,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 406 transitions. [2024-12-02 14:18:24,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 14:18:24,746 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:24,746 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:24,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 14:18:24,746 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:24,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash 877831543, now seen corresponding path program 1 times [2024-12-02 14:18:24,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:24,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491863236] [2024-12-02 14:18:24,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:24,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:25,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:25,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491863236] [2024-12-02 14:18:25,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491863236] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:25,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:25,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:18:25,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919318263] [2024-12-02 14:18:25,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:25,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:18:25,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:25,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:18:25,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:18:25,175 INFO L87 Difference]: Start difference. First operand 308 states and 406 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:25,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:25,488 INFO L93 Difference]: Finished difference Result 877 states and 1160 transitions. [2024-12-02 14:18:25,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:18:25,488 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 125 [2024-12-02 14:18:25,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:25,491 INFO L225 Difference]: With dead ends: 877 [2024-12-02 14:18:25,491 INFO L226 Difference]: Without dead ends: 572 [2024-12-02 14:18:25,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:18:25,492 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 249 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:25,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 1138 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:18:25,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-12-02 14:18:25,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 384. [2024-12-02 14:18:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 353 states have (on average 1.2606232294617563) internal successors, (445), 355 states have internal predecessors, (445), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:18:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 497 transitions. [2024-12-02 14:18:25,540 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 497 transitions. Word has length 125 [2024-12-02 14:18:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:25,540 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 497 transitions. [2024-12-02 14:18:25,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 497 transitions. [2024-12-02 14:18:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:18:25,542 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:25,542 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:25,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 14:18:25,542 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:25,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:25,543 INFO L85 PathProgramCache]: Analyzing trace with hash -2069161583, now seen corresponding path program 1 times [2024-12-02 14:18:25,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:25,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279103001] [2024-12-02 14:18:25,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:25,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:26,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:26,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279103001] [2024-12-02 14:18:26,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279103001] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:26,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:26,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:18:26,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197961526] [2024-12-02 14:18:26,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:26,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:18:26,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:26,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:18:26,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:18:26,137 INFO L87 Difference]: Start difference. First operand 384 states and 497 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:26,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:26,388 INFO L93 Difference]: Finished difference Result 953 states and 1248 transitions. [2024-12-02 14:18:26,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:18:26,388 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 127 [2024-12-02 14:18:26,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:26,391 INFO L225 Difference]: With dead ends: 953 [2024-12-02 14:18:26,391 INFO L226 Difference]: Without dead ends: 572 [2024-12-02 14:18:26,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:18:26,398 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 241 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:26,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 772 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:26,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-12-02 14:18:26,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 384. [2024-12-02 14:18:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 353 states have (on average 1.2521246458923512) internal successors, (442), 355 states have internal predecessors, (442), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:18:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 494 transitions. [2024-12-02 14:18:26,427 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 494 transitions. Word has length 127 [2024-12-02 14:18:26,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:26,427 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 494 transitions. [2024-12-02 14:18:26,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 9 states have internal predecessors, (70), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 494 transitions. [2024-12-02 14:18:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:18:26,428 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:26,428 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:26,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 14:18:26,428 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:26,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:26,429 INFO L85 PathProgramCache]: Analyzing trace with hash 112709374, now seen corresponding path program 1 times [2024-12-02 14:18:26,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:26,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625367321] [2024-12-02 14:18:26,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:26,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:27,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:27,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625367321] [2024-12-02 14:18:27,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625367321] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:27,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:27,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 14:18:27,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979168758] [2024-12-02 14:18:27,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:27,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 14:18:27,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:27,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 14:18:27,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:18:27,696 INFO L87 Difference]: Start difference. First operand 384 states and 494 transitions. Second operand has 18 states, 15 states have (on average 4.666666666666667) internal successors, (70), 17 states have internal predecessors, (70), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-12-02 14:18:28,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:28,478 INFO L93 Difference]: Finished difference Result 956 states and 1227 transitions. [2024-12-02 14:18:28,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 14:18:28,478 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 4.666666666666667) internal successors, (70), 17 states have internal predecessors, (70), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) Word has length 127 [2024-12-02 14:18:28,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:28,481 INFO L225 Difference]: With dead ends: 956 [2024-12-02 14:18:28,481 INFO L226 Difference]: Without dead ends: 575 [2024-12-02 14:18:28,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2024-12-02 14:18:28,482 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 339 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:28,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 1565 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:18:28,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-12-02 14:18:28,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 558. [2024-12-02 14:18:28,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 511 states have (on average 1.24853228962818) internal successors, (638), 514 states have internal predecessors, (638), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:18:28,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 718 transitions. [2024-12-02 14:18:28,558 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 718 transitions. Word has length 127 [2024-12-02 14:18:28,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:28,558 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 718 transitions. [2024-12-02 14:18:28,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 4.666666666666667) internal successors, (70), 17 states have internal predecessors, (70), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-12-02 14:18:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 718 transitions. [2024-12-02 14:18:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 14:18:28,560 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:28,560 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:28,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 14:18:28,560 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:28,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:28,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1449802690, now seen corresponding path program 1 times [2024-12-02 14:18:28,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:28,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484189519] [2024-12-02 14:18:28,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:28,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:28,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:28,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484189519] [2024-12-02 14:18:28,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484189519] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:28,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:28,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:18:28,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120707515] [2024-12-02 14:18:28,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:28,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:18:28,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:28,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:18:28,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:18:28,820 INFO L87 Difference]: Start difference. First operand 558 states and 718 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:28,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:28,950 INFO L93 Difference]: Finished difference Result 1118 states and 1438 transitions. [2024-12-02 14:18:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:18:28,951 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 128 [2024-12-02 14:18:28,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:28,953 INFO L225 Difference]: With dead ends: 1118 [2024-12-02 14:18:28,953 INFO L226 Difference]: Without dead ends: 563 [2024-12-02 14:18:28,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:18:28,955 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 218 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:28,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 532 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:28,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-12-02 14:18:29,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 550. [2024-12-02 14:18:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 503 states have (on average 1.2445328031809144) internal successors, (626), 506 states have internal predecessors, (626), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:18:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 706 transitions. [2024-12-02 14:18:29,010 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 706 transitions. Word has length 128 [2024-12-02 14:18:29,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:29,010 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 706 transitions. [2024-12-02 14:18:29,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:29,011 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 706 transitions. [2024-12-02 14:18:29,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:18:29,012 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:29,012 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:29,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 14:18:29,012 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:29,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:29,012 INFO L85 PathProgramCache]: Analyzing trace with hash 913756995, now seen corresponding path program 1 times [2024-12-02 14:18:29,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:29,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336513216] [2024-12-02 14:18:29,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:29,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:29,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:29,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336513216] [2024-12-02 14:18:29,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336513216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:29,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:29,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:18:29,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925645013] [2024-12-02 14:18:29,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:29,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:18:29,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:29,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:18:29,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:18:29,328 INFO L87 Difference]: Start difference. First operand 550 states and 706 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:29,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:29,481 INFO L93 Difference]: Finished difference Result 1092 states and 1404 transitions. [2024-12-02 14:18:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:18:29,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 129 [2024-12-02 14:18:29,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:29,485 INFO L225 Difference]: With dead ends: 1092 [2024-12-02 14:18:29,485 INFO L226 Difference]: Without dead ends: 545 [2024-12-02 14:18:29,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:18:29,486 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 3 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:29,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 891 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:29,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-12-02 14:18:29,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2024-12-02 14:18:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 498 states have (on average 1.2269076305220883) internal successors, (611), 501 states have internal predecessors, (611), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:18:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 691 transitions. [2024-12-02 14:18:29,533 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 691 transitions. Word has length 129 [2024-12-02 14:18:29,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:29,534 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 691 transitions. [2024-12-02 14:18:29,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:29,534 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 691 transitions. [2024-12-02 14:18:29,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:18:29,535 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:29,535 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:29,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 14:18:29,535 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:29,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:29,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1995006907, now seen corresponding path program 1 times [2024-12-02 14:18:29,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:29,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300888700] [2024-12-02 14:18:29,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:29,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:30,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:30,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300888700] [2024-12-02 14:18:30,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300888700] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:30,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:30,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:18:30,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299742857] [2024-12-02 14:18:30,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:30,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:18:30,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:30,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:18:30,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:18:30,064 INFO L87 Difference]: Start difference. First operand 545 states and 691 transitions. Second operand has 15 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:30,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:30,746 INFO L93 Difference]: Finished difference Result 1278 states and 1612 transitions. [2024-12-02 14:18:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 14:18:30,747 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 129 [2024-12-02 14:18:30,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:30,750 INFO L225 Difference]: With dead ends: 1278 [2024-12-02 14:18:30,750 INFO L226 Difference]: Without dead ends: 736 [2024-12-02 14:18:30,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:18:30,752 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 255 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:30,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1696 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:18:30,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-12-02 14:18:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 608. [2024-12-02 14:18:30,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 561 states have (on average 1.2174688057040999) internal successors, (683), 564 states have internal predecessors, (683), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:18:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 763 transitions. [2024-12-02 14:18:30,824 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 763 transitions. Word has length 129 [2024-12-02 14:18:30,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:30,824 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 763 transitions. [2024-12-02 14:18:30,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 763 transitions. [2024-12-02 14:18:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:18:30,825 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:30,825 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:30,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 14:18:30,826 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:30,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:30,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2017470557, now seen corresponding path program 1 times [2024-12-02 14:18:30,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:30,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82110104] [2024-12-02 14:18:30,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:30,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:31,822 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:31,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:31,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82110104] [2024-12-02 14:18:31,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82110104] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:31,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:31,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 14:18:31,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231904519] [2024-12-02 14:18:31,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:31,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 14:18:31,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:31,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 14:18:31,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:18:31,824 INFO L87 Difference]: Start difference. First operand 608 states and 763 transitions. Second operand has 18 states, 15 states have (on average 4.8) internal successors, (72), 17 states have internal predecessors, (72), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-12-02 14:18:32,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:32,452 INFO L93 Difference]: Finished difference Result 1331 states and 1669 transitions. [2024-12-02 14:18:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:18:32,453 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 4.8) internal successors, (72), 17 states have internal predecessors, (72), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) Word has length 129 [2024-12-02 14:18:32,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:32,454 INFO L225 Difference]: With dead ends: 1331 [2024-12-02 14:18:32,454 INFO L226 Difference]: Without dead ends: 726 [2024-12-02 14:18:32,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2024-12-02 14:18:32,455 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 229 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:32,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 1207 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:18:32,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-12-02 14:18:32,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 612. [2024-12-02 14:18:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 565 states have (on average 1.2106194690265486) internal successors, (684), 568 states have internal predecessors, (684), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:18:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 764 transitions. [2024-12-02 14:18:32,498 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 764 transitions. Word has length 129 [2024-12-02 14:18:32,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:32,499 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 764 transitions. [2024-12-02 14:18:32,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 4.8) internal successors, (72), 17 states have internal predecessors, (72), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 7 states have call successors, (12) [2024-12-02 14:18:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 764 transitions. [2024-12-02 14:18:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:18:32,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:32,499 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:32,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 14:18:32,500 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:32,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:32,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1673089973, now seen corresponding path program 1 times [2024-12-02 14:18:32,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:32,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657430602] [2024-12-02 14:18:32,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:32,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:32,678 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:32,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:32,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657430602] [2024-12-02 14:18:32,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657430602] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:32,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:32,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:18:32,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536676562] [2024-12-02 14:18:32,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:32,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:18:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:32,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:18:32,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:32,679 INFO L87 Difference]: Start difference. First operand 612 states and 764 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:32,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:32,774 INFO L93 Difference]: Finished difference Result 689 states and 863 transitions. [2024-12-02 14:18:32,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:18:32,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 129 [2024-12-02 14:18:32,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:32,777 INFO L225 Difference]: With dead ends: 689 [2024-12-02 14:18:32,777 INFO L226 Difference]: Without dead ends: 687 [2024-12-02 14:18:32,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:18:32,778 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 108 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:32,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 915 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:32,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-12-02 14:18:32,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 678. [2024-12-02 14:18:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 620 states have (on average 1.211290322580645) internal successors, (751), 624 states have internal predecessors, (751), 48 states have call successors, (48), 9 states have call predecessors, (48), 9 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 14:18:32,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 847 transitions. [2024-12-02 14:18:32,867 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 847 transitions. Word has length 129 [2024-12-02 14:18:32,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:32,867 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 847 transitions. [2024-12-02 14:18:32,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:32,868 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 847 transitions. [2024-12-02 14:18:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:18:32,868 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:32,868 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:32,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 14:18:32,869 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:32,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:32,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1674937015, now seen corresponding path program 1 times [2024-12-02 14:18:32,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:32,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525379432] [2024-12-02 14:18:32,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:32,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:33,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:33,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525379432] [2024-12-02 14:18:33,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525379432] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:33,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:33,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:18:33,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456975654] [2024-12-02 14:18:33,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:33,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:18:33,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:33,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:18:33,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:33,081 INFO L87 Difference]: Start difference. First operand 678 states and 847 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:33,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:33,210 INFO L93 Difference]: Finished difference Result 1306 states and 1623 transitions. [2024-12-02 14:18:33,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:18:33,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 129 [2024-12-02 14:18:33,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:33,212 INFO L225 Difference]: With dead ends: 1306 [2024-12-02 14:18:33,212 INFO L226 Difference]: Without dead ends: 678 [2024-12-02 14:18:33,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:18:33,213 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 116 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:33,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 399 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:33,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2024-12-02 14:18:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2024-12-02 14:18:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 620 states have (on average 1.2032258064516128) internal successors, (746), 624 states have internal predecessors, (746), 48 states have call successors, (48), 9 states have call predecessors, (48), 9 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 14:18:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 842 transitions. [2024-12-02 14:18:33,266 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 842 transitions. Word has length 129 [2024-12-02 14:18:33,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:33,267 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 842 transitions. [2024-12-02 14:18:33,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 842 transitions. [2024-12-02 14:18:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:18:33,267 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:33,268 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:33,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 14:18:33,268 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:33,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:33,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1281910005, now seen corresponding path program 1 times [2024-12-02 14:18:33,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:33,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053885718] [2024-12-02 14:18:33,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:33,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:33,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:18:33,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053885718] [2024-12-02 14:18:33,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053885718] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:33,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:33,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 14:18:33,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475637164] [2024-12-02 14:18:33,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:33,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:18:33,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:18:33,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:18:33,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:18:33,691 INFO L87 Difference]: Start difference. First operand 678 states and 842 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:34,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:34,137 INFO L93 Difference]: Finished difference Result 1499 states and 1865 transitions. [2024-12-02 14:18:34,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:18:34,137 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 129 [2024-12-02 14:18:34,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:34,140 INFO L225 Difference]: With dead ends: 1499 [2024-12-02 14:18:34,140 INFO L226 Difference]: Without dead ends: 871 [2024-12-02 14:18:34,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:18:34,141 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 351 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:34,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1011 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:18:34,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-12-02 14:18:34,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 691. [2024-12-02 14:18:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 626 states have (on average 1.2044728434504792) internal successors, (754), 630 states have internal predecessors, (754), 52 states have call successors, (52), 12 states have call predecessors, (52), 12 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 14:18:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 858 transitions. [2024-12-02 14:18:34,204 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 858 transitions. Word has length 129 [2024-12-02 14:18:34,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:34,204 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 858 transitions. [2024-12-02 14:18:34,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-12-02 14:18:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 858 transitions. [2024-12-02 14:18:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:18:34,205 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:34,205 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:34,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 14:18:34,205 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:34,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:34,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1238049929, now seen corresponding path program 1 times [2024-12-02 14:18:34,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:18:34,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197015560] [2024-12-02 14:18:34,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:18:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:18:34,243 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:18:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:18:34,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:18:34,371 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:18:34,372 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:18:34,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 14:18:34,376 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:34,533 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:18:34,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:18:34 BoogieIcfgContainer [2024-12-02 14:18:34,536 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:18:34,537 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:18:34,537 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:18:34,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:18:34,538 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:59" (3/4) ... [2024-12-02 14:18:34,541 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:18:34,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:18:34,542 INFO L158 Benchmark]: Toolchain (without parser) took 36043.78ms. Allocated memory was 142.6MB in the beginning and 545.3MB in the end (delta: 402.7MB). Free memory was 118.8MB in the beginning and 476.2MB in the end (delta: -357.4MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-12-02 14:18:34,543 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:18:34,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.13ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 104.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:18:34,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.43ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 100.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:18:34,543 INFO L158 Benchmark]: Boogie Preprocessor took 71.69ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 94.6MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:18:34,544 INFO L158 Benchmark]: RCFGBuilder took 706.03ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 103.8MB in the end (delta: -9.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-12-02 14:18:34,544 INFO L158 Benchmark]: TraceAbstraction took 35004.59ms. Allocated memory was 142.6MB in the beginning and 545.3MB in the end (delta: 402.7MB). Free memory was 103.3MB in the beginning and 476.3MB in the end (delta: -373.0MB). Peak memory consumption was 321.7MB. Max. memory is 16.1GB. [2024-12-02 14:18:34,544 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 545.3MB. Free memory was 476.3MB in the beginning and 476.2MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:18:34,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.13ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 104.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.43ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 100.2MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.69ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 94.6MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 706.03ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 103.8MB in the end (delta: -9.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * TraceAbstraction took 35004.59ms. Allocated memory was 142.6MB in the beginning and 545.3MB in the end (delta: 402.7MB). Free memory was 103.3MB in the beginning and 476.3MB in the end (delta: -373.0MB). Peak memory consumption was 321.7MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 545.3MB. Free memory was 476.3MB in the beginning and 476.2MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned short int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 0; [L24] unsigned char var_1_2 = 0; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] unsigned short int var_1_4 = 19138; [L26] unsigned short int var_1_4 = 19138; [L27] unsigned short int* var_1_4_Pointer = &(var_1_4); [L28] signed char var_1_6 = 25; [L28] signed char var_1_6 = 25; [L29] signed char* var_1_6_Pointer = &(var_1_6); [L30] signed long int var_1_7 = -50; [L30] signed long int var_1_7 = -50; [L31] signed long int* var_1_7_Pointer = &(var_1_7); [L32] double var_1_8 = 8.3; [L32] double var_1_8 = 8.3; [L33] double* var_1_8_Pointer = &(var_1_8); [L34] double var_1_9 = 255.6; [L34] double var_1_9 = 255.6; [L35] double* var_1_9_Pointer = &(var_1_9); [L36] double var_1_10 = 10000000.375; [L36] double var_1_10 = 10000000.375; [L37] double* var_1_10_Pointer = &(var_1_10); [L38] double var_1_11 = 0.0; [L38] double var_1_11 = 0.0; [L39] double* var_1_11_Pointer = &(var_1_11); [L40] double var_1_12 = 255.375; [L40] double var_1_12 = 255.375; [L41] double* var_1_12_Pointer = &(var_1_12); [L42] unsigned char var_1_13 = 50; [L42] unsigned char var_1_13 = 50; [L43] unsigned char* var_1_13_Pointer = &(var_1_13); [L44] unsigned char var_1_14 = 2; [L44] unsigned char var_1_14 = 2; [L45] unsigned char* var_1_14_Pointer = &(var_1_14); [L46] signed char var_1_15 = 1; [L46] signed char var_1_15 = 1; [L47] signed char* var_1_15_Pointer = &(var_1_15); [L48] signed char var_1_16 = 5; [L48] signed char var_1_16 = 5; [L49] signed char* var_1_16_Pointer = &(var_1_16); VAL [isInitial=0, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] isInitial = 1 [L104] FCALL initially() [L106] FCALL updateLastVariables() [L107] CALL updateVariables() [L75] var_1_2 = __VERIFIER_nondet_uchar() [L76] EXPR \read(var_1_2) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L76] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L76] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L77] EXPR \read(var_1_2) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L77] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L77] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L78] var_1_4 = __VERIFIER_nondet_ushort() [L79] EXPR \read(var_1_4) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L79] CALL assume_abort_if_not(var_1_4 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L79] RET assume_abort_if_not(var_1_4 >= 16383) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L80] EXPR \read(var_1_4) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L80] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L80] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L81] var_1_9 = __VERIFIER_nondet_double() [L82] EXPR \read(var_1_9) [L82] EXPR var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] EXPR var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F [L82] EXPR \read(var_1_9) [L82] EXPR var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] EXPR (var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] EXPR (var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] var_1_10 = __VERIFIER_nondet_double() [L84] EXPR \read(var_1_10) [L84] EXPR var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] EXPR var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F [L84] EXPR \read(var_1_10) [L84] EXPR var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] EXPR (var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] EXPR (var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] var_1_11 = __VERIFIER_nondet_double() [L86] EXPR \read(var_1_11) [L86] EXPR var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] EXPR var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F [L86] EXPR \read(var_1_11) [L86] EXPR var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] EXPR (var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] EXPR (var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] CALL assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] RET assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] var_1_12 = __VERIFIER_nondet_double() [L88] EXPR \read(var_1_12) [L88] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F [L88] EXPR \read(var_1_12) [L88] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] var_1_14 = __VERIFIER_nondet_uchar() [L90] EXPR \read(var_1_14) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] EXPR \read(var_1_14) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] var_1_16 = __VERIFIER_nondet_char() [L93] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] RET updateVariables() [L108] CALL step() [L53] EXPR \read(*var_1_14_Pointer) [L53] (*(var_1_13_Pointer)) = (*(var_1_14_Pointer)) [L54] EXPR \read(*var_1_16_Pointer) [L54] (*(var_1_15_Pointer)) = (*(var_1_16_Pointer)) [L55] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L55] COND FALSE !((*(var_1_2_Pointer))) [L58] EXPR \read(*var_1_2_Pointer) [L58] (*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer)))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L58] (*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer)))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L58] COND FALSE !((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) [L61] EXPR \read(*var_1_4_Pointer) [L61] unsigned short int stepLocal_0 = (*(var_1_4_Pointer)); [L62] EXPR \read(*var_1_13_Pointer) [L62] EXPR \read(*var_1_13_Pointer) [L62] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L62] EXPR (*(var_1_13_Pointer)) << (*(var_1_13_Pointer)) VAL [isInitial=1, stepLocal_0=-32769, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L62] EXPR (((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer)))) [L62] EXPR \read(*var_1_13_Pointer) [L62] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L62] EXPR (*(var_1_13_Pointer)) << (*(var_1_13_Pointer)) VAL [isInitial=1, stepLocal_0=-32769, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L62] EXPR (((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer)))) VAL [isInitial=1, stepLocal_0=-32769, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L62] COND FALSE !(stepLocal_0 <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) [L65] EXPR \read(*var_1_13_Pointer) [L65] EXPR \read(*var_1_1_Pointer) [L65] EXPR \read(*var_1_4_Pointer) [L65] (*(var_1_7_Pointer)) = ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))) [L67] EXPR \read(*var_1_13_Pointer) [L67] unsigned char stepLocal_1 = (*(var_1_13_Pointer)); [L68] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L68] COND FALSE !((*(var_1_13_Pointer)) < stepLocal_1) [L71] EXPR \read(*var_1_11_Pointer) [L71] EXPR \read(*var_1_12_Pointer) [L71] EXPR \read(*var_1_9_Pointer) [L71] (*(var_1_8_Pointer)) = (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer))) [L108] RET step() [L109] CALL, EXPR property() [L99] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1 [L99] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1 VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1) [L99] EXPR \read(*var_1_2_Pointer) [L99] EXPR (*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer)))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer)))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1 [L99] EXPR ((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1 VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer))))))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer))))))) [L99] EXPR \read(*var_1_4_Pointer) [L99] EXPR \read(*var_1_13_Pointer) [L99] EXPR \read(*var_1_13_Pointer) [L99] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (*(var_1_13_Pointer)) << (*(var_1_13_Pointer)) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer)))) [L99] EXPR \read(*var_1_13_Pointer) [L99] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (*(var_1_13_Pointer)) << (*(var_1_13_Pointer)) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer)))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))) [L99] EXPR \read(*var_1_7_Pointer) [L99] EXPR \read(*var_1_13_Pointer) [L99] EXPR \read(*var_1_1_Pointer) [L99] EXPR \read(*var_1_4_Pointer) [L99] EXPR ((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer))))))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))))) && (((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer)))))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))))) && (((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer)))))) [L99] EXPR \read(*var_1_13_Pointer) [L99] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer))))) [L99] EXPR \read(*var_1_8_Pointer) [L99] EXPR \read(*var_1_11_Pointer) [L99] EXPR \read(*var_1_12_Pointer) [L99] EXPR \read(*var_1_9_Pointer) [L99] EXPR ((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer))))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))))) && (((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer)))))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))))) && (((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer))))))) && ((*(var_1_13_Pointer)) == ((unsigned char) (*(var_1_14_Pointer)))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))))) && (((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer))))))) && ((*(var_1_13_Pointer)) == ((unsigned char) (*(var_1_14_Pointer)))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))))) && (((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer))))))) && ((*(var_1_13_Pointer)) == ((unsigned char) (*(var_1_14_Pointer))))) && ((*(var_1_15_Pointer)) == ((signed char) (*(var_1_16_Pointer)))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR ((((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))))) && (((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer))))))) && ((*(var_1_13_Pointer)) == ((unsigned char) (*(var_1_14_Pointer))))) && ((*(var_1_15_Pointer)) == ((signed char) (*(var_1_16_Pointer)))) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99-L100] return ((((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) ((17222 - (*(var_1_13_Pointer))) + (((((29916) < ((*(var_1_4_Pointer)))) ? (29916) : ((*(var_1_4_Pointer))))) - (*(var_1_13_Pointer)))))) : 1) && (((*(var_1_2_Pointer)) && ((*(var_1_4_Pointer)) >= ((*(var_1_13_Pointer)) + (*(var_1_1_Pointer))))) ? ((*(var_1_6_Pointer)) == ((signed char) 8)) : 1)) && (((*(var_1_4_Pointer)) <= (((((*(var_1_13_Pointer))) > (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))) ? ((*(var_1_13_Pointer))) : (((*(var_1_13_Pointer)) << (*(var_1_13_Pointer))))))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((((((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) < ((*(var_1_4_Pointer)))) ? (((*(var_1_13_Pointer)) - (*(var_1_13_Pointer)))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_13_Pointer)) + ((*(var_1_1_Pointer)) + (*(var_1_4_Pointer)))))))) && (((*(var_1_13_Pointer)) < (*(var_1_13_Pointer))) ? ((*(var_1_8_Pointer)) == ((double) ((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))))) : ((*(var_1_8_Pointer)) == ((double) (((*(var_1_11_Pointer)) - (*(var_1_12_Pointer))) - (*(var_1_9_Pointer))))))) && ((*(var_1_13_Pointer)) == ((unsigned char) (*(var_1_14_Pointer))))) && ((*(var_1_15_Pointer)) == ((signed char) (*(var_1_16_Pointer)))) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_16={17:0}, var_1_16_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.8s, OverallIterations: 34, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5298 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5298 mSDsluCounter, 30900 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25014 mSDsCounter, 420 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8338 IncrementalHoareTripleChecker+Invalid, 8758 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 420 mSolverCounterUnsat, 5886 mSDtfsCounter, 8338 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 987 GetRequests, 598 SyntacticMatches, 2 SemanticMatches, 387 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1028 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=691occurred in iteration=33, InterpolantAutomatonStates: 279, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 33 MinimizatonAttempts, 2619 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 17.0s InterpolantComputationTime, 4656 NumberOfCodeBlocks, 4656 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 4490 ConstructedInterpolants, 0 QuantifiedInterpolants, 18566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2219 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 37 InterpolantComputations, 33 PerfectInterpolantSequences, 9647/9768 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 14:18:34,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1 --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 a71ef89e0c9f3635b059609e166e2ca02077ae52d17a785a0f63b8520dafcb51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:18:36,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:18:36,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:18:36,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:18:36,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:18:36,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:18:36,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:18:36,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:18:36,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:18:36,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:18:36,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:18:36,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:18:36,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:18:36,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:18:36,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:18:36,684 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:18:36,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:18:36,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:18:36,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:18:36,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:18:36,686 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1 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 -> a71ef89e0c9f3635b059609e166e2ca02077ae52d17a785a0f63b8520dafcb51 [2024-12-02 14:18:36,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:18:36,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:18:36,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:18:36,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:18:36,957 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:18:36,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i [2024-12-02 14:18:39,686 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data/2a000889c/9908209154d9441aaba833be1d76ae9e/FLAGccaf83d08 [2024-12-02 14:18:39,886 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:18:39,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i [2024-12-02 14:18:39,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data/2a000889c/9908209154d9441aaba833be1d76ae9e/FLAGccaf83d08 [2024-12-02 14:18:39,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/data/2a000889c/9908209154d9441aaba833be1d76ae9e [2024-12-02 14:18:39,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:18:39,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:18:39,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:18:39,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:18:39,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:18:39,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:18:39" (1/1) ... [2024-12-02 14:18:39,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e3e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:39, skipping insertion in model container [2024-12-02 14:18:39,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:18:39" (1/1) ... [2024-12-02 14:18:39,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:18:40,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i[916,929] [2024-12-02 14:18:40,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:18:40,147 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:18:40,157 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-70.i[916,929] [2024-12-02 14:18:40,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:18:40,208 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:18:40,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40 WrapperNode [2024-12-02 14:18:40,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:18:40,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:18:40,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:18:40,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:18:40,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,259 INFO L138 Inliner]: procedures = 36, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 524 [2024-12-02 14:18:40,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:18:40,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:18:40,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:18:40,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:18:40,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,300 INFO L175 MemorySlicer]: Split 132 memory accesses to 15 slices as follows [2, 7, 8, 18, 3, 5, 5, 10, 8, 8, 8, 35, 6, 3, 6]. 27 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-12-02 14:18:40,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,326 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:18:40,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:18:40,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:18:40,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:18:40,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (1/1) ... [2024-12-02 14:18:40,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:18:40,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:18:40,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:18:40,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-12-02 14:18:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-12-02 14:18:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-12-02 14:18:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-12-02 14:18:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-12-02 14:18:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-12-02 14:18:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 14:18:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-12-02 14:18:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 14:18:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 14:18:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-12-02 14:18:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 14:18:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-12-02 14:18:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:18:40,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:18:40,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-12-02 14:18:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 14:18:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-12-02 14:18:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-12-02 14:18:40,676 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:18:40,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:18:43,353 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-12-02 14:18:43,353 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:18:43,363 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:18:43,364 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:18:43,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:43 BoogieIcfgContainer [2024-12-02 14:18:43,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:18:43,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:18:43,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:18:43,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:18:43,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:18:39" (1/3) ... [2024-12-02 14:18:43,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b79ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:18:43, skipping insertion in model container [2024-12-02 14:18:43,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:18:40" (2/3) ... [2024-12-02 14:18:43,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b79ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:18:43, skipping insertion in model container [2024-12-02 14:18:43,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:18:43" (3/3) ... [2024-12-02 14:18:43,373 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-70.i [2024-12-02 14:18:43,387 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:18:43,389 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-70.i that has 2 procedures, 101 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:18:43,441 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:18:43,453 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;@1ff4a897, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:18:43,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:18:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 86 states have (on average 1.441860465116279) internal successors, (124), 87 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:18:43,465 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:43,465 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:43,466 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:43,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:43,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1213743039, now seen corresponding path program 1 times [2024-12-02 14:18:43,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:43,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933012545] [2024-12-02 14:18:43,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:43,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:43,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:43,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:43,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 14:18:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:43,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:18:44,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-02 14:18:44,034 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:44,035 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:44,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933012545] [2024-12-02 14:18:44,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933012545] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:44,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:44,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:18:44,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819278007] [2024-12-02 14:18:44,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:44,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:18:44,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:44,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:18:44,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:18:44,063 INFO L87 Difference]: Start difference. First operand has 101 states, 86 states have (on average 1.441860465116279) internal successors, (124), 87 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:44,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:44,086 INFO L93 Difference]: Finished difference Result 195 states and 302 transitions. [2024-12-02 14:18:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:18:44,088 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-12-02 14:18:44,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:44,093 INFO L225 Difference]: With dead ends: 195 [2024-12-02 14:18:44,094 INFO L226 Difference]: Without dead ends: 97 [2024-12-02 14:18:44,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:18:44,100 INFO L435 NwaCegarLoop]: 141 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, 141 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 [2024-12-02 14:18:44,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:44,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-12-02 14:18:44,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-12-02 14:18:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 141 transitions. [2024-12-02 14:18:44,138 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 141 transitions. Word has length 115 [2024-12-02 14:18:44,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:44,138 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 141 transitions. [2024-12-02 14:18:44,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 141 transitions. [2024-12-02 14:18:44,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:18:44,141 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:44,141 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:44,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 14:18:44,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:44,342 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:44,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:44,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1354941361, now seen corresponding path program 1 times [2024-12-02 14:18:44,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:44,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114171698] [2024-12-02 14:18:44,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:44,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:44,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:44,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:44,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 14:18:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:44,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:18:44,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:44,871 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 14:18:44,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:44,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:44,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114171698] [2024-12-02 14:18:44,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114171698] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:44,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:44,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:18:44,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124197853] [2024-12-02 14:18:44,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:44,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:18:44,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:44,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:18:44,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:18:44,875 INFO L87 Difference]: Start difference. First operand 97 states and 141 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:44,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:44,978 INFO L93 Difference]: Finished difference Result 193 states and 282 transitions. [2024-12-02 14:18:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:18:44,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-12-02 14:18:44,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:44,980 INFO L225 Difference]: With dead ends: 193 [2024-12-02 14:18:44,980 INFO L226 Difference]: Without dead ends: 99 [2024-12-02 14:18:44,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:18:44,981 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:44,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:44,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-12-02 14:18:44,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-12-02 14:18:44,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 85 states have (on average 1.4) internal successors, (119), 85 states have internal predecessors, (119), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 143 transitions. [2024-12-02 14:18:44,992 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 143 transitions. Word has length 115 [2024-12-02 14:18:44,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:44,993 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 143 transitions. [2024-12-02 14:18:44,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2024-12-02 14:18:44,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:18:44,995 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:44,995 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:45,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 14:18:45,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:45,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:45,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:45,196 INFO L85 PathProgramCache]: Analyzing trace with hash 401001203, now seen corresponding path program 1 times [2024-12-02 14:18:45,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:45,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126380689] [2024-12-02 14:18:45,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:45,197 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:45,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:45,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:45,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 14:18:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:45,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 14:18:45,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 14:18:46,358 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:18:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:46,530 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:46,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126380689] [2024-12-02 14:18:46,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1126380689] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:18:46,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:18:46,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 14:18:46,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062826] [2024-12-02 14:18:46,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:46,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:46,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:46,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:46,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:18:46,532 INFO L87 Difference]: Start difference. First operand 99 states and 143 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:46,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:46,668 INFO L93 Difference]: Finished difference Result 238 states and 346 transitions. [2024-12-02 14:18:46,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:18:46,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-12-02 14:18:46,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:46,671 INFO L225 Difference]: With dead ends: 238 [2024-12-02 14:18:46,671 INFO L226 Difference]: Without dead ends: 142 [2024-12-02 14:18:46,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:18:46,673 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 121 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:46,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 393 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-12-02 14:18:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 102. [2024-12-02 14:18:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 88 states have internal predecessors, (122), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 146 transitions. [2024-12-02 14:18:46,682 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 146 transitions. Word has length 115 [2024-12-02 14:18:46,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:46,683 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 146 transitions. [2024-12-02 14:18:46,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 146 transitions. [2024-12-02 14:18:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 14:18:46,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:46,684 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:46,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 14:18:46,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:46,885 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:46,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:46,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1185582413, now seen corresponding path program 1 times [2024-12-02 14:18:46,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:46,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945311349] [2024-12-02 14:18:46,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:46,886 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:46,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:46,888 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:46,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 14:18:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:47,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:18:47,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:47,376 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:47,376 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:47,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945311349] [2024-12-02 14:18:47,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945311349] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:47,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:47,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:18:47,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212653051] [2024-12-02 14:18:47,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:47,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:18:47,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:47,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:18:47,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:18:47,378 INFO L87 Difference]: Start difference. First operand 102 states and 146 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:47,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:47,422 INFO L93 Difference]: Finished difference Result 203 states and 292 transitions. [2024-12-02 14:18:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:18:47,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-12-02 14:18:47,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:47,424 INFO L225 Difference]: With dead ends: 203 [2024-12-02 14:18:47,424 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 14:18:47,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:18:47,425 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:47,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:47,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 14:18:47,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-12-02 14:18:47,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 90 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:47,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 148 transitions. [2024-12-02 14:18:47,437 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 148 transitions. Word has length 115 [2024-12-02 14:18:47,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:47,437 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 148 transitions. [2024-12-02 14:18:47,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:47,437 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 148 transitions. [2024-12-02 14:18:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 14:18:47,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:47,439 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:47,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 14:18:47,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:47,640 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:47,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:47,640 INFO L85 PathProgramCache]: Analyzing trace with hash -974772018, now seen corresponding path program 1 times [2024-12-02 14:18:47,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:47,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494213941] [2024-12-02 14:18:47,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:47,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:47,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:47,643 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:47,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 14:18:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:48,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 14:18:48,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 14:18:48,681 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:18:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:48,860 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:48,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494213941] [2024-12-02 14:18:48,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494213941] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:18:48,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:18:48,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 14:18:48,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899732220] [2024-12-02 14:18:48,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:48,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:48,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:48,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:48,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:18:48,862 INFO L87 Difference]: Start difference. First operand 104 states and 148 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:48,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:48,975 INFO L93 Difference]: Finished difference Result 243 states and 346 transitions. [2024-12-02 14:18:48,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:18:48,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-12-02 14:18:48,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:48,983 INFO L225 Difference]: With dead ends: 243 [2024-12-02 14:18:48,983 INFO L226 Difference]: Without dead ends: 142 [2024-12-02 14:18:48,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:18:48,984 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 47 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:48,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 525 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:48,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-12-02 14:18:48,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 114. [2024-12-02 14:18:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:48,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2024-12-02 14:18:48,993 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 162 transitions. Word has length 117 [2024-12-02 14:18:48,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:48,994 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 162 transitions. [2024-12-02 14:18:48,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2024-12-02 14:18:48,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 14:18:48,995 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:48,995 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:49,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 14:18:49,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:49,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:49,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:49,197 INFO L85 PathProgramCache]: Analyzing trace with hash 260081929, now seen corresponding path program 1 times [2024-12-02 14:18:49,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:49,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072412495] [2024-12-02 14:18:49,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:49,197 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:49,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:49,199 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:49,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 14:18:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:49,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 14:18:49,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 14:18:50,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:18:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:50,365 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:50,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072412495] [2024-12-02 14:18:50,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072412495] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:18:50,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:18:50,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 14:18:50,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155798795] [2024-12-02 14:18:50,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:50,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:50,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:50,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:50,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:18:50,367 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:50,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:50,488 INFO L93 Difference]: Finished difference Result 254 states and 361 transitions. [2024-12-02 14:18:50,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:18:50,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-12-02 14:18:50,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:50,490 INFO L225 Difference]: With dead ends: 254 [2024-12-02 14:18:50,490 INFO L226 Difference]: Without dead ends: 143 [2024-12-02 14:18:50,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:18:50,492 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 43 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:50,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 522 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:50,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-12-02 14:18:50,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 118. [2024-12-02 14:18:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2024-12-02 14:18:50,500 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 118 [2024-12-02 14:18:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:50,500 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2024-12-02 14:18:50,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2024-12-02 14:18:50,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 14:18:50,502 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:50,502 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:50,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 14:18:50,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:50,702 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:50,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:50,703 INFO L85 PathProgramCache]: Analyzing trace with hash -2030898999, now seen corresponding path program 1 times [2024-12-02 14:18:50,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:50,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375129748] [2024-12-02 14:18:50,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:50,703 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:50,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:50,705 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:50,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 14:18:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:51,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:18:51,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:51,109 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:51,109 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:51,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375129748] [2024-12-02 14:18:51,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375129748] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:51,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:51,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:18:51,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235537783] [2024-12-02 14:18:51,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:51,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:18:51,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:51,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:18:51,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:18:51,111 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:51,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:51,162 INFO L93 Difference]: Finished difference Result 236 states and 333 transitions. [2024-12-02 14:18:51,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:18:51,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-12-02 14:18:51,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:51,163 INFO L225 Difference]: With dead ends: 236 [2024-12-02 14:18:51,163 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 14:18:51,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:18:51,164 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:51,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:18:51,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 14:18:51,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 14:18:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 107 states have (on average 1.355140186915888) internal successors, (145), 107 states have internal predecessors, (145), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 169 transitions. [2024-12-02 14:18:51,168 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 169 transitions. Word has length 118 [2024-12-02 14:18:51,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:51,168 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 169 transitions. [2024-12-02 14:18:51,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:51,168 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2024-12-02 14:18:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:18:51,169 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:51,169 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:51,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 14:18:51,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:51,369 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:51,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:51,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1859341143, now seen corresponding path program 1 times [2024-12-02 14:18:51,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:51,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348840249] [2024-12-02 14:18:51,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:51,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:51,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:51,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:51,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 14:18:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:51,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:18:51,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:51,832 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:51,832 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:51,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348840249] [2024-12-02 14:18:51,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348840249] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:51,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:51,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:18:51,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920108754] [2024-12-02 14:18:51,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:51,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:18:51,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:51,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:18:51,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:51,833 INFO L87 Difference]: Start difference. First operand 121 states and 169 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:51,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:51,910 INFO L93 Difference]: Finished difference Result 246 states and 345 transitions. [2024-12-02 14:18:51,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:18:51,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-12-02 14:18:51,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:51,911 INFO L225 Difference]: With dead ends: 246 [2024-12-02 14:18:51,911 INFO L226 Difference]: Without dead ends: 128 [2024-12-02 14:18:51,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:51,912 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 1 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:51,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 652 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:51,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-12-02 14:18:51,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2024-12-02 14:18:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 113 states have (on average 1.336283185840708) internal successors, (151), 113 states have internal predecessors, (151), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 175 transitions. [2024-12-02 14:18:51,919 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 175 transitions. Word has length 119 [2024-12-02 14:18:51,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:51,919 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 175 transitions. [2024-12-02 14:18:51,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 175 transitions. [2024-12-02 14:18:51,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:18:51,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:51,921 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:51,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 14:18:52,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:52,121 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:52,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:52,122 INFO L85 PathProgramCache]: Analyzing trace with hash -84333781, now seen corresponding path program 1 times [2024-12-02 14:18:52,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:52,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457650984] [2024-12-02 14:18:52,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:52,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:52,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:52,124 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:52,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 14:18:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:52,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:18:52,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:18:52,619 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:52,619 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:52,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457650984] [2024-12-02 14:18:52,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457650984] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:52,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:52,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:18:52,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144693907] [2024-12-02 14:18:52,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:52,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:18:52,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:52,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:18:52,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:18:52,621 INFO L87 Difference]: Start difference. First operand 127 states and 175 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:52,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:52,734 INFO L93 Difference]: Finished difference Result 254 states and 351 transitions. [2024-12-02 14:18:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:18:52,735 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-12-02 14:18:52,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:52,737 INFO L225 Difference]: With dead ends: 254 [2024-12-02 14:18:52,737 INFO L226 Difference]: Without dead ends: 130 [2024-12-02 14:18:52,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:18:52,737 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 1 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:52,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 776 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:18:52,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-12-02 14:18:52,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2024-12-02 14:18:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 115 states have (on average 1.3304347826086957) internal successors, (153), 115 states have internal predecessors, (153), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 177 transitions. [2024-12-02 14:18:52,742 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 177 transitions. Word has length 119 [2024-12-02 14:18:52,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:52,742 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 177 transitions. [2024-12-02 14:18:52,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:18:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2024-12-02 14:18:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 14:18:52,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:52,743 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:52,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 14:18:52,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:52,944 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:52,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:52,944 INFO L85 PathProgramCache]: Analyzing trace with hash -82486739, now seen corresponding path program 1 times [2024-12-02 14:18:52,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:52,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721904357] [2024-12-02 14:18:52,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:52,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:52,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:52,946 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:52,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 14:18:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:53,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:18:53,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:53,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:18:53,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-12-02 14:18:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-02 14:18:53,507 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:53,507 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:53,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721904357] [2024-12-02 14:18:53,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721904357] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:53,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:53,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:18:53,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441007557] [2024-12-02 14:18:53,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:53,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:18:53,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:53,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:18:53,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:53,509 INFO L87 Difference]: Start difference. First operand 129 states and 177 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:55,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:55,828 INFO L93 Difference]: Finished difference Result 256 states and 352 transitions. [2024-12-02 14:18:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:18:55,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-12-02 14:18:55,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:55,840 INFO L225 Difference]: With dead ends: 256 [2024-12-02 14:18:55,840 INFO L226 Difference]: Without dead ends: 130 [2024-12-02 14:18:55,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:18:55,841 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 121 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:55,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 440 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 14:18:55,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-12-02 14:18:55,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2024-12-02 14:18:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 115 states have (on average 1.3217391304347825) internal successors, (152), 115 states have internal predecessors, (152), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 176 transitions. [2024-12-02 14:18:55,845 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 176 transitions. Word has length 119 [2024-12-02 14:18:55,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:55,845 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 176 transitions. [2024-12-02 14:18:55,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:18:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 176 transitions. [2024-12-02 14:18:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 14:18:55,847 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:55,847 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:55,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 14:18:56,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:56,047 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:56,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:56,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1725612457, now seen corresponding path program 1 times [2024-12-02 14:18:56,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:56,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815176478] [2024-12-02 14:18:56,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:56,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:56,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:56,050 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:56,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 14:18:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:56,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:18:56,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 14:18:56,530 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:56,530 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:56,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815176478] [2024-12-02 14:18:56,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815176478] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:56,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:56,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:18:56,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722572531] [2024-12-02 14:18:56,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:56,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:18:56,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:56,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:18:56,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:56,532 INFO L87 Difference]: Start difference. First operand 129 states and 176 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:18:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:18:56,770 INFO L93 Difference]: Finished difference Result 259 states and 354 transitions. [2024-12-02 14:18:56,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:18:56,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 121 [2024-12-02 14:18:56,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:18:56,773 INFO L225 Difference]: With dead ends: 259 [2024-12-02 14:18:56,773 INFO L226 Difference]: Without dead ends: 131 [2024-12-02 14:18:56,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:18:56,774 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 1 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:18:56,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 589 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:18:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-12-02 14:18:56,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2024-12-02 14:18:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 115 states have internal predecessors, (151), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:18:56,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 175 transitions. [2024-12-02 14:18:56,782 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 175 transitions. Word has length 121 [2024-12-02 14:18:56,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:18:56,782 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 175 transitions. [2024-12-02 14:18:56,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 14:18:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 175 transitions. [2024-12-02 14:18:56,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 14:18:56,783 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:18:56,783 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:18:56,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-12-02 14:18:56,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:56,984 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:18:56,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:18:56,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1798621273, now seen corresponding path program 1 times [2024-12-02 14:18:56,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:18:56,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286230984] [2024-12-02 14:18:56,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:18:56,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:18:56,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:18:56,986 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:18:56,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 14:18:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:18:57,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:18:57,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:18:57,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:18:57,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-12-02 14:18:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:18:57,650 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:18:57,650 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:18:57,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286230984] [2024-12-02 14:18:57,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286230984] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:18:57,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:18:57,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:18:57,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271213833] [2024-12-02 14:18:57,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:18:57,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:18:57,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:18:57,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:18:57,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:18:57,651 INFO L87 Difference]: Start difference. First operand 129 states and 175 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:19:00,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:00,106 INFO L93 Difference]: Finished difference Result 256 states and 348 transitions. [2024-12-02 14:19:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:19:00,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-12-02 14:19:00,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:00,118 INFO L225 Difference]: With dead ends: 256 [2024-12-02 14:19:00,118 INFO L226 Difference]: Without dead ends: 130 [2024-12-02 14:19:00,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:19:00,119 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 111 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:00,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 432 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 14:19:00,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-12-02 14:19:00,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2024-12-02 14:19:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 115 states have (on average 1.3043478260869565) internal successors, (150), 115 states have internal predecessors, (150), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:19:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 174 transitions. [2024-12-02 14:19:00,123 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 174 transitions. Word has length 121 [2024-12-02 14:19:00,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:00,124 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 174 transitions. [2024-12-02 14:19:00,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:19:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 174 transitions. [2024-12-02 14:19:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 14:19:00,125 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:00,125 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:00,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 14:19:00,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:00,325 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:00,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:00,326 INFO L85 PathProgramCache]: Analyzing trace with hash -400466835, now seen corresponding path program 1 times [2024-12-02 14:19:00,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:00,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561032742] [2024-12-02 14:19:00,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:00,326 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:00,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:00,328 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:00,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 14:19:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:00,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:19:00,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:01,007 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:19:01,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 67 [2024-12-02 14:19:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 14:19:01,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:19:01,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:01,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561032742] [2024-12-02 14:19:01,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561032742] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:01,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:01,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:19:01,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133032580] [2024-12-02 14:19:01,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:01,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:19:01,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:01,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:19:01,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:19:01,039 INFO L87 Difference]: Start difference. First operand 129 states and 174 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:19:03,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:03,772 INFO L93 Difference]: Finished difference Result 255 states and 345 transitions. [2024-12-02 14:19:03,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:19:03,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-12-02 14:19:03,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:03,782 INFO L225 Difference]: With dead ends: 255 [2024-12-02 14:19:03,782 INFO L226 Difference]: Without dead ends: 129 [2024-12-02 14:19:03,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:19:03,783 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 103 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:03,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 428 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 14:19:03,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-12-02 14:19:03,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2024-12-02 14:19:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 113 states have (on average 1.3008849557522124) internal successors, (147), 113 states have internal predecessors, (147), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:19:03,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 171 transitions. [2024-12-02 14:19:03,789 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 171 transitions. Word has length 123 [2024-12-02 14:19:03,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:03,789 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 171 transitions. [2024-12-02 14:19:03,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:19:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 171 transitions. [2024-12-02 14:19:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 14:19:03,790 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:03,790 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:03,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 14:19:03,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:03,991 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:03,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:03,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1974855131, now seen corresponding path program 1 times [2024-12-02 14:19:03,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:03,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1781677405] [2024-12-02 14:19:03,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:03,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:03,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:03,993 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:03,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 14:19:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:04,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:19:04,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:04,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:19:04,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-12-02 14:19:04,710 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:19:04,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:19:04,710 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:04,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1781677405] [2024-12-02 14:19:04,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1781677405] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:04,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:04,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:19:04,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407682155] [2024-12-02 14:19:04,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:04,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:19:04,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:04,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:19:04,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:19:04,712 INFO L87 Difference]: Start difference. First operand 127 states and 171 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:19:06,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:06,709 INFO L93 Difference]: Finished difference Result 252 states and 340 transitions. [2024-12-02 14:19:06,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:19:06,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2024-12-02 14:19:06,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:06,719 INFO L225 Difference]: With dead ends: 252 [2024-12-02 14:19:06,719 INFO L226 Difference]: Without dead ends: 128 [2024-12-02 14:19:06,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:19:06,720 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 93 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:06,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 421 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 14:19:06,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-12-02 14:19:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2024-12-02 14:19:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 113 states have (on average 1.2920353982300885) internal successors, (146), 113 states have internal predecessors, (146), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:19:06,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 170 transitions. [2024-12-02 14:19:06,725 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 170 transitions. Word has length 125 [2024-12-02 14:19:06,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:06,725 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 170 transitions. [2024-12-02 14:19:06,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 14:19:06,725 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 170 transitions. [2024-12-02 14:19:06,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:06,725 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:06,726 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:06,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 14:19:06,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:06,926 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:06,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:06,926 INFO L85 PathProgramCache]: Analyzing trace with hash -898930325, now seen corresponding path program 1 times [2024-12-02 14:19:06,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:06,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026988662] [2024-12-02 14:19:06,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:06,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:06,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:06,928 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:06,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 14:19:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:07,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 14:19:07,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:07,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 14:19:08,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 33 [2024-12-02 14:19:08,328 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 132 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:19:08,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:08,479 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:08,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026988662] [2024-12-02 14:19:08,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026988662] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:08,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:19:08,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2024-12-02 14:19:08,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578903752] [2024-12-02 14:19:08,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:08,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:19:08,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:08,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:19:08,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:19:08,481 INFO L87 Difference]: Start difference. First operand 127 states and 170 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:09,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:09,285 INFO L93 Difference]: Finished difference Result 251 states and 337 transitions. [2024-12-02 14:19:09,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:19:09,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2024-12-02 14:19:09,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:09,287 INFO L225 Difference]: With dead ends: 251 [2024-12-02 14:19:09,287 INFO L226 Difference]: Without dead ends: 127 [2024-12-02 14:19:09,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:19:09,288 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:09,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 265 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:19:09,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-12-02 14:19:09,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-12-02 14:19:09,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 113 states have (on average 1.2743362831858407) internal successors, (144), 113 states have internal predecessors, (144), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:19:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 168 transitions. [2024-12-02 14:19:09,294 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 168 transitions. Word has length 127 [2024-12-02 14:19:09,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:09,295 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 168 transitions. [2024-12-02 14:19:09,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 168 transitions. [2024-12-02 14:19:09,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:09,295 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:09,296 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:09,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 14:19:09,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:09,496 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:09,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:09,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1707093229, now seen corresponding path program 1 times [2024-12-02 14:19:09,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:09,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411098298] [2024-12-02 14:19:09,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:09,497 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:09,499 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:09,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-12-02 14:19:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:10,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 14:19:10,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:10,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 14:19:10,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-12-02 14:19:10,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-12-02 14:19:10,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 51 [2024-12-02 14:19:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 132 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:19:10,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:10,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-12-02 14:19:11,050 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:11,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411098298] [2024-12-02 14:19:11,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411098298] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:11,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [505180290] [2024-12-02 14:19:11,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:11,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:19:11,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:19:11,052 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:19:11,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-02 14:19:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:13,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 14:19:13,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:13,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 14:19:15,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 14:19:15,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 52 [2024-12-02 14:19:15,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 63 [2024-12-02 14:19:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 132 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 14:19:15,374 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:15,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-12-02 14:19:15,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [505180290] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:15,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:19:15,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2024-12-02 14:19:15,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916609017] [2024-12-02 14:19:15,575 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:19:15,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 14:19:15,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:15,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 14:19:15,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2024-12-02 14:19:15,576 INFO L87 Difference]: Start difference. First operand 127 states and 168 transitions. Second operand has 21 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 5 states have call predecessors, (24), 7 states have call successors, (24) [2024-12-02 14:19:17,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:17,759 INFO L93 Difference]: Finished difference Result 325 states and 425 transitions. [2024-12-02 14:19:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 14:19:17,760 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 5 states have call predecessors, (24), 7 states have call successors, (24) Word has length 127 [2024-12-02 14:19:17,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:17,760 INFO L225 Difference]: With dead ends: 325 [2024-12-02 14:19:17,761 INFO L226 Difference]: Without dead ends: 201 [2024-12-02 14:19:17,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 291 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=330, Invalid=1310, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 14:19:17,761 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 355 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:17,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 972 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 14:19:17,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-12-02 14:19:17,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 193. [2024-12-02 14:19:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 175 states have (on average 1.28) internal successors, (224), 176 states have internal predecessors, (224), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:19:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 252 transitions. [2024-12-02 14:19:17,771 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 252 transitions. Word has length 127 [2024-12-02 14:19:17,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:17,771 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 252 transitions. [2024-12-02 14:19:17,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 5 states have call predecessors, (24), 7 states have call successors, (24) [2024-12-02 14:19:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 252 transitions. [2024-12-02 14:19:17,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:17,772 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:17,772 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:17,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-02 14:19:17,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-12-02 14:19:18,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:18,173 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:18,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:18,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1573079723, now seen corresponding path program 1 times [2024-12-02 14:19:18,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:18,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282788164] [2024-12-02 14:19:18,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:18,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:18,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:18,175 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:18,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-12-02 14:19:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:18,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 14:19:18,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:19,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 14:19:19,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 14:19:19,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-12-02 14:19:19,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 81 [2024-12-02 14:19:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 132 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:19:19,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:21,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 50 [2024-12-02 14:19:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:21,104 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:21,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282788164] [2024-12-02 14:19:21,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282788164] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:21,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:19:21,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [17] total 26 [2024-12-02 14:19:21,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085916063] [2024-12-02 14:19:21,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:21,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:19:21,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:21,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:19:21,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:19:21,106 INFO L87 Difference]: Start difference. First operand 193 states and 252 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:23,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:23,523 INFO L93 Difference]: Finished difference Result 505 states and 654 transitions. [2024-12-02 14:19:23,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:19:23,524 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2024-12-02 14:19:23,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:23,525 INFO L225 Difference]: With dead ends: 505 [2024-12-02 14:19:23,526 INFO L226 Difference]: Without dead ends: 315 [2024-12-02 14:19:23,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=159, Invalid=1101, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 14:19:23,527 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 379 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:23,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1576 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 14:19:23,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-12-02 14:19:23,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 296. [2024-12-02 14:19:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 263 states have (on average 1.2699619771863118) internal successors, (334), 265 states have internal predecessors, (334), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:19:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 386 transitions. [2024-12-02 14:19:23,544 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 386 transitions. Word has length 127 [2024-12-02 14:19:23,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:23,544 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 386 transitions. [2024-12-02 14:19:23,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:23,544 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 386 transitions. [2024-12-02 14:19:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:23,545 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:23,545 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:23,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-12-02 14:19:23,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:23,745 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:23,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:23,746 INFO L85 PathProgramCache]: Analyzing trace with hash 552011369, now seen corresponding path program 1 times [2024-12-02 14:19:23,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:23,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77957882] [2024-12-02 14:19:23,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:23,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:23,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:23,748 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:23,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-12-02 14:19:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:24,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 14:19:24,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:24,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 14:19:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 132 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:19:24,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:24,881 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:24,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77957882] [2024-12-02 14:19:24,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [77957882] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:24,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:19:24,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 14:19:24,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484591105] [2024-12-02 14:19:24,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:24,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:19:24,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:24,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:19:24,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:19:24,882 INFO L87 Difference]: Start difference. First operand 296 states and 386 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:25,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:25,084 INFO L93 Difference]: Finished difference Result 596 states and 775 transitions. [2024-12-02 14:19:25,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:19:25,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2024-12-02 14:19:25,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:25,088 INFO L225 Difference]: With dead ends: 596 [2024-12-02 14:19:25,088 INFO L226 Difference]: Without dead ends: 303 [2024-12-02 14:19:25,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:19:25,088 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 57 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:25,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 560 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:19:25,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-12-02 14:19:25,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2024-12-02 14:19:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 258 states have (on average 1.2635658914728682) internal successors, (326), 260 states have internal predecessors, (326), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:19:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 378 transitions. [2024-12-02 14:19:25,107 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 378 transitions. Word has length 127 [2024-12-02 14:19:25,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:25,107 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 378 transitions. [2024-12-02 14:19:25,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:25,107 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 378 transitions. [2024-12-02 14:19:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:25,108 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:25,108 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:25,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2024-12-02 14:19:25,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:25,308 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:25,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:25,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1354225005, now seen corresponding path program 1 times [2024-12-02 14:19:25,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:25,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989699849] [2024-12-02 14:19:25,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:25,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:25,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:25,311 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:25,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-12-02 14:19:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:25,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 14:19:25,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:25,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 14:19:26,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-12-02 14:19:26,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 67 [2024-12-02 14:19:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:26,231 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:19:26,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:26,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989699849] [2024-12-02 14:19:26,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989699849] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:19:26,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:19:26,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 14:19:26,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763068823] [2024-12-02 14:19:26,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:26,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:19:26,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:26,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:19:26,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:19:26,232 INFO L87 Difference]: Start difference. First operand 291 states and 378 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:27,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:27,956 INFO L93 Difference]: Finished difference Result 747 states and 965 transitions. [2024-12-02 14:19:27,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:19:27,957 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2024-12-02 14:19:27,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:27,959 INFO L225 Difference]: With dead ends: 747 [2024-12-02 14:19:27,959 INFO L226 Difference]: Without dead ends: 459 [2024-12-02 14:19:27,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:19:27,960 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 234 mSDsluCounter, 1734 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 2062 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:27,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 2062 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 14:19:27,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-12-02 14:19:27,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 259. [2024-12-02 14:19:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 226 states have (on average 1.2566371681415929) internal successors, (284), 228 states have internal predecessors, (284), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:19:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 336 transitions. [2024-12-02 14:19:27,993 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 336 transitions. Word has length 127 [2024-12-02 14:19:27,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:27,993 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 336 transitions. [2024-12-02 14:19:27,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 336 transitions. [2024-12-02 14:19:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:27,994 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:27,994 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:28,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-12-02 14:19:28,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:28,194 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:28,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:28,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1197620139, now seen corresponding path program 1 times [2024-12-02 14:19:28,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:28,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967423259] [2024-12-02 14:19:28,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:28,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:28,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:28,197 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:28,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-12-02 14:19:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:28,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 14:19:28,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:29,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-02 14:19:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 132 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:19:29,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:29,995 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:29,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967423259] [2024-12-02 14:19:29,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967423259] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:29,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:19:29,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-12-02 14:19:29,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619226036] [2024-12-02 14:19:29,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:29,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:19:29,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:29,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:19:29,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:19:29,996 INFO L87 Difference]: Start difference. First operand 259 states and 336 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:30,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:30,164 INFO L93 Difference]: Finished difference Result 543 states and 704 transitions. [2024-12-02 14:19:30,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:19:30,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2024-12-02 14:19:30,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:30,165 INFO L225 Difference]: With dead ends: 543 [2024-12-02 14:19:30,165 INFO L226 Difference]: Without dead ends: 296 [2024-12-02 14:19:30,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:19:30,166 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 60 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:30,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 543 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:19:30,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-12-02 14:19:30,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 284. [2024-12-02 14:19:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 251 states have (on average 1.2589641434262948) internal successors, (316), 253 states have internal predecessors, (316), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:19:30,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 368 transitions. [2024-12-02 14:19:30,186 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 368 transitions. Word has length 127 [2024-12-02 14:19:30,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:30,186 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 368 transitions. [2024-12-02 14:19:30,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 368 transitions. [2024-12-02 14:19:30,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:30,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:30,187 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:30,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-12-02 14:19:30,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:30,388 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:30,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:30,388 INFO L85 PathProgramCache]: Analyzing trace with hash 176551785, now seen corresponding path program 1 times [2024-12-02 14:19:30,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:30,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861529982] [2024-12-02 14:19:30,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:30,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:30,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:30,390 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:30,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-12-02 14:19:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:30,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 14:19:30,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:31,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-12-02 14:19:31,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2024-12-02 14:19:31,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-12-02 14:19:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 14 proven. 132 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-12-02 14:19:31,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:32,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-02 14:19:32,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:32,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861529982] [2024-12-02 14:19:32,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861529982] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:32,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1751647259] [2024-12-02 14:19:32,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:32,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:19:32,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:19:32,515 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:19:32,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-02 14:19:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:34,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 14:19:34,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:34,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 14:19:36,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-12-02 14:19:36,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 69 [2024-12-02 14:19:36,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 85 [2024-12-02 14:19:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 14:19:36,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:36,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2024-12-02 14:19:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:37,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1751647259] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:37,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:19:37,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15, 11] total 28 [2024-12-02 14:19:37,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616234666] [2024-12-02 14:19:37,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:37,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:19:37,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:37,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:19:37,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1053, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 14:19:37,018 INFO L87 Difference]: Start difference. First operand 284 states and 368 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:37,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:37,788 INFO L93 Difference]: Finished difference Result 579 states and 747 transitions. [2024-12-02 14:19:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:19:37,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2024-12-02 14:19:37,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:37,790 INFO L225 Difference]: With dead ends: 579 [2024-12-02 14:19:37,791 INFO L226 Difference]: Without dead ends: 298 [2024-12-02 14:19:37,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 376 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=148, Invalid=1184, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 14:19:37,792 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 70 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:37,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 646 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:19:37,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-12-02 14:19:37,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 283. [2024-12-02 14:19:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 250 states have (on average 1.256) internal successors, (314), 252 states have internal predecessors, (314), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:19:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 366 transitions. [2024-12-02 14:19:37,816 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 366 transitions. Word has length 127 [2024-12-02 14:19:37,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:37,817 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 366 transitions. [2024-12-02 14:19:37,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 366 transitions. [2024-12-02 14:19:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:37,817 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:37,817 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:37,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-02 14:19:38,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-12-02 14:19:38,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:38,218 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:38,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:38,218 INFO L85 PathProgramCache]: Analyzing trace with hash 42538279, now seen corresponding path program 1 times [2024-12-02 14:19:38,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:38,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198994437] [2024-12-02 14:19:38,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:38,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:38,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:38,220 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:38,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-12-02 14:19:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:38,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 14:19:38,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:39,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-12-02 14:19:40,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2024-12-02 14:19:40,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2024-12-02 14:19:40,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 93 [2024-12-02 14:19:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 14 proven. 132 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-12-02 14:19:40,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:41,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 64 [2024-12-02 14:19:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:41,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:41,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198994437] [2024-12-02 14:19:41,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198994437] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:41,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:19:41,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [21] total 31 [2024-12-02 14:19:41,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717304253] [2024-12-02 14:19:41,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:41,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:19:41,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:41,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:19:41,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=820, Unknown=0, NotChecked=0, Total=930 [2024-12-02 14:19:41,919 INFO L87 Difference]: Start difference. First operand 283 states and 366 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:44,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:44,317 INFO L93 Difference]: Finished difference Result 629 states and 810 transitions. [2024-12-02 14:19:44,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:19:44,318 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2024-12-02 14:19:44,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:44,320 INFO L225 Difference]: With dead ends: 629 [2024-12-02 14:19:44,320 INFO L226 Difference]: Without dead ends: 349 [2024-12-02 14:19:44,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=189, Invalid=1451, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 14:19:44,321 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 161 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:44,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1381 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 14:19:44,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-12-02 14:19:44,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 290. [2024-12-02 14:19:44,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 257 states have (on average 1.2568093385214008) internal successors, (323), 259 states have internal predecessors, (323), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:19:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 375 transitions. [2024-12-02 14:19:44,350 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 375 transitions. Word has length 127 [2024-12-02 14:19:44,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:44,350 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 375 transitions. [2024-12-02 14:19:44,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 375 transitions. [2024-12-02 14:19:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:44,351 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:44,352 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:44,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-12-02 14:19:44,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:44,552 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:44,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:44,552 INFO L85 PathProgramCache]: Analyzing trace with hash -176316439, now seen corresponding path program 1 times [2024-12-02 14:19:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:44,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227761344] [2024-12-02 14:19:44,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:44,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:44,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:44,555 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:44,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-12-02 14:19:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:45,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 14:19:45,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:45,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-12-02 14:19:46,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2024-12-02 14:19:46,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2024-12-02 14:19:46,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 79 [2024-12-02 14:19:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 14 proven. 132 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-12-02 14:19:46,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:48,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 80 [2024-12-02 14:19:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:48,617 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:48,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227761344] [2024-12-02 14:19:48,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227761344] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:48,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:19:48,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [21] total 32 [2024-12-02 14:19:48,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351431532] [2024-12-02 14:19:48,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:48,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:19:48,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:48,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:19:48,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2024-12-02 14:19:48,620 INFO L87 Difference]: Start difference. First operand 290 states and 375 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:52,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:52,990 INFO L93 Difference]: Finished difference Result 711 states and 912 transitions. [2024-12-02 14:19:52,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 14:19:52,991 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2024-12-02 14:19:52,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:52,993 INFO L225 Difference]: With dead ends: 711 [2024-12-02 14:19:52,993 INFO L226 Difference]: Without dead ends: 424 [2024-12-02 14:19:52,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=216, Invalid=1590, Unknown=0, NotChecked=0, Total=1806 [2024-12-02 14:19:52,995 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 275 mSDsluCounter, 1425 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:52,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1633 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-12-02 14:19:52,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-12-02 14:19:53,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 296. [2024-12-02 14:19:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 263 states have (on average 1.2623574144486691) internal successors, (332), 265 states have internal predecessors, (332), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:19:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 384 transitions. [2024-12-02 14:19:53,027 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 384 transitions. Word has length 127 [2024-12-02 14:19:53,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:53,027 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 384 transitions. [2024-12-02 14:19:53,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 384 transitions. [2024-12-02 14:19:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 14:19:53,029 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:53,029 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:53,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-12-02 14:19:53,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:53,229 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:53,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:53,230 INFO L85 PathProgramCache]: Analyzing trace with hash -35767829, now seen corresponding path program 1 times [2024-12-02 14:19:53,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:53,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269304012] [2024-12-02 14:19:53,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:53,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:53,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:53,232 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:53,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-12-02 14:19:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:53,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 14:19:53,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 14:19:54,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:54,421 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:54,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269304012] [2024-12-02 14:19:54,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269304012] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:54,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:19:54,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-12-02 14:19:54,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463482118] [2024-12-02 14:19:54,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:54,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:19:54,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:54,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:19:54,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:19:54,421 INFO L87 Difference]: Start difference. First operand 296 states and 384 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:54,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:54,514 INFO L93 Difference]: Finished difference Result 589 states and 762 transitions. [2024-12-02 14:19:54,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:19:54,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 127 [2024-12-02 14:19:54,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:54,517 INFO L225 Difference]: With dead ends: 589 [2024-12-02 14:19:54,517 INFO L226 Difference]: Without dead ends: 296 [2024-12-02 14:19:54,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:19:54,518 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 58 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:54,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 548 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:19:54,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-12-02 14:19:54,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 292. [2024-12-02 14:19:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 259 states have (on average 1.250965250965251) internal successors, (324), 261 states have internal predecessors, (324), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:19:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 376 transitions. [2024-12-02 14:19:54,548 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 376 transitions. Word has length 127 [2024-12-02 14:19:54,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:54,548 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 376 transitions. [2024-12-02 14:19:54,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 376 transitions. [2024-12-02 14:19:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 14:19:54,549 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:54,549 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:54,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2024-12-02 14:19:54,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:54,750 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:54,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:54,750 INFO L85 PathProgramCache]: Analyzing trace with hash 168050004, now seen corresponding path program 1 times [2024-12-02 14:19:54,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:54,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013625910] [2024-12-02 14:19:54,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:54,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:54,752 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:54,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-12-02 14:19:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:55,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 14:19:55,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:55,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 14:19:56,028 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 14:19:56,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:19:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:19:56,262 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:19:56,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013625910] [2024-12-02 14:19:56,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013625910] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:19:56,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:19:56,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 14:19:56,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038397216] [2024-12-02 14:19:56,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:19:56,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:19:56,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:19:56,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:19:56,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:19:56,263 INFO L87 Difference]: Start difference. First operand 292 states and 376 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:56,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:19:56,372 INFO L93 Difference]: Finished difference Result 585 states and 752 transitions. [2024-12-02 14:19:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:19:56,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2024-12-02 14:19:56,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:19:56,374 INFO L225 Difference]: With dead ends: 585 [2024-12-02 14:19:56,374 INFO L226 Difference]: Without dead ends: 296 [2024-12-02 14:19:56,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:19:56,375 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 98 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:19:56,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 435 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:19:56,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-12-02 14:19:56,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 292. [2024-12-02 14:19:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 259 states have (on average 1.2355212355212355) internal successors, (320), 261 states have internal predecessors, (320), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:19:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 372 transitions. [2024-12-02 14:19:56,411 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 372 transitions. Word has length 128 [2024-12-02 14:19:56,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:19:56,411 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 372 transitions. [2024-12-02 14:19:56,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:19:56,411 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 372 transitions. [2024-12-02 14:19:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:19:56,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:19:56,412 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:19:56,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-12-02 14:19:56,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:56,613 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:19:56,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:19:56,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1219232742, now seen corresponding path program 1 times [2024-12-02 14:19:56,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:19:56,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895860563] [2024-12-02 14:19:56,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:19:56,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:19:56,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:19:56,615 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:19:56,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-12-02 14:19:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:19:57,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 14:19:57,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:19:57,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 14:19:58,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 14:19:58,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-12-02 14:19:58,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 68 [2024-12-02 14:19:59,058 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 132 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:19:59,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:20:00,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 50 [2024-12-02 14:20:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:20:00,569 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:20:00,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895860563] [2024-12-02 14:20:00,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895860563] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:20:00,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:20:00,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [17] total 26 [2024-12-02 14:20:00,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678214341] [2024-12-02 14:20:00,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:20:00,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:20:00,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:20:00,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:20:00,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:20:00,571 INFO L87 Difference]: Start difference. First operand 292 states and 372 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:20:04,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:20:04,065 INFO L93 Difference]: Finished difference Result 684 states and 870 transitions. [2024-12-02 14:20:04,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:20:04,066 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 129 [2024-12-02 14:20:04,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:20:04,067 INFO L225 Difference]: With dead ends: 684 [2024-12-02 14:20:04,067 INFO L226 Difference]: Without dead ends: 395 [2024-12-02 14:20:04,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=148, Invalid=974, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 14:20:04,068 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 187 mSDsluCounter, 1742 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:20:04,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 1991 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 14:20:04,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-12-02 14:20:04,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 279. [2024-12-02 14:20:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 246 states have (on average 1.2357723577235773) internal successors, (304), 248 states have internal predecessors, (304), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:20:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 356 transitions. [2024-12-02 14:20:04,097 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 356 transitions. Word has length 129 [2024-12-02 14:20:04,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:20:04,097 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 356 transitions. [2024-12-02 14:20:04,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:20:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 356 transitions. [2024-12-02 14:20:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:20:04,098 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:20:04,098 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:20:04,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-12-02 14:20:04,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:20:04,299 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:20:04,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:20:04,299 INFO L85 PathProgramCache]: Analyzing trace with hash 220796642, now seen corresponding path program 1 times [2024-12-02 14:20:04,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:20:04,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276924558] [2024-12-02 14:20:04,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:20:04,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:20:04,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:20:04,301 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:20:04,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-12-02 14:20:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:20:04,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 14:20:04,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:20:04,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-12-02 14:20:05,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2024-12-02 14:20:05,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-12-02 14:20:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-02 14:20:05,243 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:20:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:20:05,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:20:05,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276924558] [2024-12-02 14:20:05,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276924558] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:20:05,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:20:05,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 15 [2024-12-02 14:20:05,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415319815] [2024-12-02 14:20:05,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:20:05,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:20:05,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:20:05,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:20:05,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:20:05,686 INFO L87 Difference]: Start difference. First operand 279 states and 356 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:20:06,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:20:06,935 INFO L93 Difference]: Finished difference Result 565 states and 719 transitions. [2024-12-02 14:20:06,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:20:06,936 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 129 [2024-12-02 14:20:06,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:20:06,937 INFO L225 Difference]: With dead ends: 565 [2024-12-02 14:20:06,937 INFO L226 Difference]: Without dead ends: 289 [2024-12-02 14:20:06,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:20:06,938 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 55 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:20:06,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 1126 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 14:20:06,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-12-02 14:20:06,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 266. [2024-12-02 14:20:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 233 states have (on average 1.2360515021459229) internal successors, (288), 235 states have internal predecessors, (288), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:20:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 340 transitions. [2024-12-02 14:20:06,961 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 340 transitions. Word has length 129 [2024-12-02 14:20:06,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:20:06,961 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 340 transitions. [2024-12-02 14:20:06,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:20:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 340 transitions. [2024-12-02 14:20:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 14:20:06,962 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:20:06,962 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:20:06,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-12-02 14:20:07,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:20:07,162 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:20:07,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:20:07,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2039460416, now seen corresponding path program 1 times [2024-12-02 14:20:07,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:20:07,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270800313] [2024-12-02 14:20:07,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:20:07,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:20:07,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:20:07,165 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:20:07,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-12-02 14:20:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:20:07,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 14:20:07,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:20:09,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-12-02 14:20:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 14 proven. 132 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-12-02 14:20:10,438 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:20:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:20:10,745 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:20:10,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270800313] [2024-12-02 14:20:10,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270800313] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:20:10,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:20:10,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 20 [2024-12-02 14:20:10,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319425348] [2024-12-02 14:20:10,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:20:10,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:20:10,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:20:10,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:20:10,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:20:10,746 INFO L87 Difference]: Start difference. First operand 266 states and 340 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:20:11,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:20:11,259 INFO L93 Difference]: Finished difference Result 681 states and 864 transitions. [2024-12-02 14:20:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:20:11,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 129 [2024-12-02 14:20:11,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:20:11,261 INFO L225 Difference]: With dead ends: 681 [2024-12-02 14:20:11,261 INFO L226 Difference]: Without dead ends: 418 [2024-12-02 14:20:11,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:20:11,262 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 45 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:20:11,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 596 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:20:11,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-12-02 14:20:11,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 317. [2024-12-02 14:20:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 284 states have (on average 1.2288732394366197) internal successors, (349), 286 states have internal predecessors, (349), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:20:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 401 transitions. [2024-12-02 14:20:11,280 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 401 transitions. Word has length 129 [2024-12-02 14:20:11,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:20:11,280 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 401 transitions. [2024-12-02 14:20:11,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:20:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 401 transitions. [2024-12-02 14:20:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:20:11,281 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:20:11,281 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:20:11,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2024-12-02 14:20:11,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:20:11,482 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:20:11,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:20:11,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1951172711, now seen corresponding path program 1 times [2024-12-02 14:20:11,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:20:11,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771965498] [2024-12-02 14:20:11,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:20:11,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:20:11,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:20:11,484 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:20:11,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-12-02 14:20:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:20:12,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 14:20:12,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:20:12,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 14:20:12,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-12-02 14:20:12,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-12-02 14:20:12,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 51 [2024-12-02 14:20:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 132 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:20:12,963 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:20:13,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-12-02 14:20:13,414 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:20:13,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771965498] [2024-12-02 14:20:13,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771965498] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:20:13,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1738707603] [2024-12-02 14:20:13,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:20:13,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:20:13,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:20:13,416 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:20:13,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-02 14:20:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:20:15,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 14:20:15,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:20:15,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 14:20:17,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 14:20:18,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2024-12-02 14:20:18,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2024-12-02 14:20:18,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2024-12-02 14:20:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 132 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 14:20:18,539 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:20:19,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2024-12-02 14:20:19,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1738707603] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:20:19,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:20:19,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2024-12-02 14:20:19,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334380839] [2024-12-02 14:20:19,966 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:20:19,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 14:20:19,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:20:19,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 14:20:19,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=1090, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 14:20:19,967 INFO L87 Difference]: Start difference. First operand 317 states and 401 transitions. Second operand has 26 states, 24 states have (on average 6.125) internal successors, (147), 24 states have internal predecessors, (147), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 5 states have call predecessors, (24), 7 states have call successors, (24) [2024-12-02 14:20:23,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:20:23,527 INFO L93 Difference]: Finished difference Result 633 states and 798 transitions. [2024-12-02 14:20:23,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 14:20:23,528 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 6.125) internal successors, (147), 24 states have internal predecessors, (147), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 5 states have call predecessors, (24), 7 states have call successors, (24) Word has length 130 [2024-12-02 14:20:23,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:20:23,529 INFO L225 Difference]: With dead ends: 633 [2024-12-02 14:20:23,529 INFO L226 Difference]: Without dead ends: 319 [2024-12-02 14:20:23,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 291 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=636, Invalid=2556, Unknown=0, NotChecked=0, Total=3192 [2024-12-02 14:20:23,530 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 232 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:20:23,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1367 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 14:20:23,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-12-02 14:20:23,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 307. [2024-12-02 14:20:23,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 274 states have (on average 1.2226277372262773) internal successors, (335), 276 states have internal predecessors, (335), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 14:20:23,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 387 transitions. [2024-12-02 14:20:23,548 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 387 transitions. Word has length 130 [2024-12-02 14:20:23,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:20:23,549 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 387 transitions. [2024-12-02 14:20:23,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 6.125) internal successors, (147), 24 states have internal predecessors, (147), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 5 states have call predecessors, (24), 7 states have call successors, (24) [2024-12-02 14:20:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 387 transitions. [2024-12-02 14:20:23,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:20:23,549 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:20:23,549 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:20:23,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-02 14:20:23,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-12-02 14:20:23,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:20:23,950 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:20:23,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:20:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1356450717, now seen corresponding path program 1 times [2024-12-02 14:20:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:20:23,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102692225] [2024-12-02 14:20:23,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:20:23,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:20:23,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:20:23,953 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:20:23,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-12-02 14:20:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:20:24,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 14:20:24,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:20:25,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 67 [2024-12-02 14:20:25,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2024-12-02 14:20:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 14 proven. 132 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-12-02 14:20:25,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:20:26,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2024-12-02 14:20:26,576 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:20:26,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102692225] [2024-12-02 14:20:26,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102692225] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:20:26,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1729732040] [2024-12-02 14:20:26,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:20:26,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:20:26,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:20:26,578 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:20:26,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-02 14:20:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:20:28,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 14:20:28,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:20:28,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 14:20:32,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 82 [2024-12-02 14:20:32,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2024-12-02 14:20:32,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 62 [2024-12-02 14:20:32,380 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 107 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 14:20:32,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:20:33,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2024-12-02 14:20:37,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2024-12-02 14:20:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:20:59,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1729732040] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:20:59,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:20:59,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [17, 17] total 42 [2024-12-02 14:20:59,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049501004] [2024-12-02 14:20:59,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:20:59,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:20:59,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:20:59,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:20:59,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1944, Unknown=5, NotChecked=0, Total=2256 [2024-12-02 14:20:59,586 INFO L87 Difference]: Start difference. First operand 307 states and 387 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:21:16,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:18,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:27,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:31,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:35,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:39,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:43,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:47,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:50,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:54,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:58,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:00,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:04,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:08,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:12,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:41,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:45,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:50,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:54,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:58,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:02,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:06,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:08,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:13,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:17,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:21,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:25,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:29,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:33,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:37,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:41,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:45,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:49,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:53,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:23:57,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:24:05,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:24:09,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:24:13,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:24:22,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:24:26,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:24:35,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:24:39,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:24:48,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:24:52,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:25:04,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:25:08,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:25:17,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:25:21,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:25:23,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:25:27,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:25:31,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:25:59,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:03,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:08,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:12,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:16,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:20,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:24,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:28,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:32,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:36,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:41,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:45,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:49,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:51,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:55,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:26:56,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:00,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:04,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:08,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:12,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:17,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:21,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:25,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:29,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:33,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:37,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:41,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:45,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:49,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:50,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:54,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:27:58,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:02,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:06,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:10,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:14,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:16,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:20,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:24,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:28,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:32,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:36,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:40,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:41,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:45,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:49,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:53,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:57,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:28:59,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:03,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:07,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:11,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:15,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:19,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:23,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:28,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:32,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:36,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:40,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:44,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:48,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:52,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:29:56,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:00,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:04,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:08,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:12,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:16,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:20,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:24,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:28,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:32,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:36,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:40,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:44,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:47,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:51,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:30:55,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:00,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:04,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:08,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:12,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:16,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:20,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:24,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:28,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:32,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:36,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:40,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:44,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:48,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:52,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:31:56,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:32:00,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:32:03,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:32:03,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:03,909 INFO L93 Difference]: Finished difference Result 736 states and 920 transitions. [2024-12-02 14:32:03,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:32:03,911 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 130 [2024-12-02 14:32:03,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:03,912 INFO L225 Difference]: With dead ends: 736 [2024-12-02 14:32:03,912 INFO L226 Difference]: Without dead ends: 432 [2024-12-02 14:32:03,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1131 ImplicationChecksByTransitivity, 125.8s TimeCoverageRelationStatistics Valid=473, Invalid=2805, Unknown=28, NotChecked=0, Total=3306 [2024-12-02 14:32:03,913 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 192 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 15 mSolverCounterUnsat, 133 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 567.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 133 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 568.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:03,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 1303 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 494 Invalid, 133 Unknown, 0 Unchecked, 568.2s Time] [2024-12-02 14:32:03,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-12-02 14:32:03,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 341. [2024-12-02 14:32:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 304 states have (on average 1.2138157894736843) internal successors, (369), 307 states have internal predecessors, (369), 28 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 25 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:32:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 425 transitions. [2024-12-02 14:32:03,956 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 425 transitions. Word has length 130 [2024-12-02 14:32:03,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:03,957 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 425 transitions. [2024-12-02 14:32:03,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:32:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 425 transitions. [2024-12-02 14:32:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 14:32:03,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:03,958 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:03,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-12-02 14:32:04,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-12-02 14:32:04,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:32:04,358 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:32:04,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:04,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1215902107, now seen corresponding path program 1 times [2024-12-02 14:32:04,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:32:04,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062022691] [2024-12-02 14:32:04,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:04,359 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:32:04,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:32:04,361 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:32:04,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-12-02 14:32:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:04,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 14:32:04,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:07,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 71 [2024-12-02 14:32:08,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2024-12-02 14:32:08,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 55 [2024-12-02 14:32:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 14 proven. 132 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-12-02 14:32:08,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:32:09,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2024-12-02 14:32:10,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2024-12-02 14:32:12,046 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:32:12,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062022691] [2024-12-02 14:32:12,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062022691] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:12,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [12587758] [2024-12-02 14:32:12,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:12,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:32:12,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:32:12,048 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:32:12,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a7a00c-241c-48c4-bd92-7fa918e82649/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-02 14:32:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:14,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 14:32:14,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:15,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 71 [2024-12-02 14:32:16,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2024-12-02 14:32:16,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 51 [2024-12-02 14:32:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 14:32:16,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:32:16,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [12587758] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:16,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:32:16,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 29 [2024-12-02 14:32:16,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238730645] [2024-12-02 14:32:16,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:16,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:32:16,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:32:16,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:32:16,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1150, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 14:32:16,587 INFO L87 Difference]: Start difference. First operand 341 states and 425 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:32:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:20,317 INFO L93 Difference]: Finished difference Result 749 states and 933 transitions. [2024-12-02 14:32:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 14:32:20,318 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 130 [2024-12-02 14:32:20,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:20,319 INFO L225 Difference]: With dead ends: 749 [2024-12-02 14:32:20,319 INFO L226 Difference]: Without dead ends: 424 [2024-12-02 14:32:20,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=240, Invalid=1482, Unknown=0, NotChecked=0, Total=1722 [2024-12-02 14:32:20,320 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 183 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:20,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1272 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-02 14:32:20,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-12-02 14:32:20,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 310. [2024-12-02 14:32:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 273 states have (on average 1.2087912087912087) internal successors, (330), 276 states have internal predecessors, (330), 28 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 25 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 14:32:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 386 transitions. [2024-12-02 14:32:20,351 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 386 transitions. Word has length 130 [2024-12-02 14:32:20,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:20,351 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 386 transitions. [2024-12-02 14:32:20,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 14:32:20,351 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 386 transitions. [2024-12-02 14:32:20,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 14:32:20,352 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:20,352 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]