./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX --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 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:29:14,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:29:14,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:29:14,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:29:14,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:29:14,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:29:14,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:29:14,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:29:14,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:29:14,399 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:29:14,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:29:14,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:29:14,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:29:14,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:29:14,404 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:29:14,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:29:14,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:29:14,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:29:14,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:29:14,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:29:14,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:29:14,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:29:14,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:29:14,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:29:14,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:29:14,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:29:14,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:29:14,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:29:14,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:29:14,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:29:14,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:29:14,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:29:14,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:29:14,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:29:14,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:29:14,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:29:14,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:29:14,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:29:14,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:29:14,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:29:14,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:29:14,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:29:14,418 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b [2024-11-08 18:29:14,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:29:14,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:29:14,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:29:14,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:29:14,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:29:14,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i Unable to find full path for "g++" [2024-11-08 18:29:17,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:29:17,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:29:17,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-11-08 18:29:17,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/data/ad83ca71b/1457c4cb34914ea2a557b20672e38bb7/FLAG93a4dd403 [2024-11-08 18:29:17,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/data/ad83ca71b/1457c4cb34914ea2a557b20672e38bb7 [2024-11-08 18:29:17,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:29:17,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:29:17,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:29:17,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:29:17,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:29:17,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:17,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e841f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17, skipping insertion in model container [2024-11-08 18:29:17,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:17,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:29:17,707 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_f3ce82ce-c01e-4188-9170-894dae76fbfb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-11-08 18:29:17,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:29:17,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:29:17,829 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_f3ce82ce-c01e-4188-9170-894dae76fbfb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-11-08 18:29:17,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:29:17,884 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:29:17,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17 WrapperNode [2024-11-08 18:29:17,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:29:17,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:29:17,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:29:17,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:29:17,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:17,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:17,949 INFO L138 Inliner]: procedures = 29, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 472 [2024-11-08 18:29:17,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:29:17,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:29:17,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:29:17,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:29:17,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:17,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:17,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:18,022 INFO L175 MemorySlicer]: Split 116 memory accesses to 16 slices as follows [2, 7, 8, 6, 6, 7, 8, 10, 11, 8, 6, 7, 6, 9, 8, 7]. 9 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 3, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-11-08 18:29:18,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:18,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:18,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:18,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:18,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:18,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:18,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:29:18,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:29:18,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:29:18,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:29:18,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (1/1) ... [2024-11-08 18:29:18,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:29:18,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:29:18,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:29:18,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:29:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:29:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 18:29:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 18:29:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 18:29:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 18:29:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 18:29:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 18:29:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 18:29:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-08 18:29:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-08 18:29:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-08 18:29:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-08 18:29:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-08 18:29:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-08 18:29:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-08 18:29:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-08 18:29:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-08 18:29:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 18:29:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 18:29:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 18:29:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 18:29:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 18:29:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 18:29:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 18:29:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 18:29:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 18:29:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 18:29:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 18:29:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 18:29:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 18:29:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 18:29:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 18:29:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 18:29:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 18:29:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 18:29:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 18:29:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 18:29:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 18:29:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 18:29:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 18:29:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-08 18:29:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-08 18:29:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-08 18:29:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-08 18:29:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-08 18:29:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-08 18:29:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-08 18:29:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-08 18:29:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-08 18:29:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 18:29:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 18:29:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 18:29:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 18:29:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 18:29:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 18:29:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 18:29:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 18:29:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 18:29:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 18:29:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 18:29:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 18:29:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 18:29:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 18:29:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 18:29:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 18:29:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 18:29:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 18:29:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 18:29:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 18:29:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 18:29:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 18:29:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 18:29:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-08 18:29:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-08 18:29:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-08 18:29:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-08 18:29:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-08 18:29:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-08 18:29:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-08 18:29:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-08 18:29:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-08 18:29:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:29:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:29:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:29:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:29:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 18:29:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 18:29:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 18:29:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 18:29:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 18:29:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 18:29:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 18:29:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 18:29:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 18:29:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 18:29:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 18:29:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 18:29:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 18:29:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 18:29:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:29:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:29:18,452 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:29:18,455 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:29:19,125 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-11-08 18:29:19,126 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:29:19,154 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:29:19,158 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:29:19,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:29:19 BoogieIcfgContainer [2024-11-08 18:29:19,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:29:19,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:29:19,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:29:19,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:29:19,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:29:17" (1/3) ... [2024-11-08 18:29:19,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181a7da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:29:19, skipping insertion in model container [2024-11-08 18:29:19,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:17" (2/3) ... [2024-11-08 18:29:19,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181a7da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:29:19, skipping insertion in model container [2024-11-08 18:29:19,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:29:19" (3/3) ... [2024-11-08 18:29:19,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-97.i [2024-11-08 18:29:19,202 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:29:19,203 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:29:19,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:29:19,336 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;@104c8a83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:29:19,336 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:29:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 89 states have internal predecessors, (123), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:19,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:29:19,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:19,359 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:19,360 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:19,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:19,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1412749686, now seen corresponding path program 1 times [2024-11-08 18:29:19,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:19,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196755352] [2024-11-08 18:29:19,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:19,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:19,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196755352] [2024-11-08 18:29:19,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196755352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:19,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:19,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:19,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097668568] [2024-11-08 18:29:19,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:19,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:29:19,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:20,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:29:20,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:29:20,016 INFO L87 Difference]: Start difference. First operand has 108 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 89 states have internal predecessors, (123), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:29:20,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:20,053 INFO L93 Difference]: Finished difference Result 209 states and 325 transitions. [2024-11-08 18:29:20,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:29:20,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-11-08 18:29:20,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:20,065 INFO L225 Difference]: With dead ends: 209 [2024-11-08 18:29:20,065 INFO L226 Difference]: Without dead ends: 104 [2024-11-08 18:29:20,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:29:20,073 INFO L432 NwaCegarLoop]: 150 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, 150 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 [2024-11-08 18:29:20,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:29:20,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-08 18:29:20,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-08 18:29:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 150 transitions. [2024-11-08 18:29:20,139 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 150 transitions. Word has length 134 [2024-11-08 18:29:20,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:20,139 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 150 transitions. [2024-11-08 18:29:20,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:29:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2024-11-08 18:29:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:29:20,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:20,146 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:20,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:29:20,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:20,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:20,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1266732696, now seen corresponding path program 1 times [2024-11-08 18:29:20,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:20,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423612226] [2024-11-08 18:29:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:20,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:20,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:20,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423612226] [2024-11-08 18:29:20,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423612226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:20,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:20,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:29:20,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689703961] [2024-11-08 18:29:20,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:20,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:29:20,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:20,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:29:20,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:29:20,899 INFO L87 Difference]: Start difference. First operand 104 states and 150 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:20,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:20,967 INFO L93 Difference]: Finished difference Result 207 states and 300 transitions. [2024-11-08 18:29:20,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:29:20,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-11-08 18:29:20,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:20,970 INFO L225 Difference]: With dead ends: 207 [2024-11-08 18:29:20,971 INFO L226 Difference]: Without dead ends: 106 [2024-11-08 18:29:20,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:29:20,973 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 433 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 [2024-11-08 18:29:20,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 433 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:29:20,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-08 18:29:20,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-08 18:29:20,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2024-11-08 18:29:20,988 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 134 [2024-11-08 18:29:20,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:20,989 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2024-11-08 18:29:20,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2024-11-08 18:29:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:29:20,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:20,992 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:20,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:29:20,993 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:20,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:20,994 INFO L85 PathProgramCache]: Analyzing trace with hash 288836570, now seen corresponding path program 1 times [2024-11-08 18:29:20,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:20,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268943207] [2024-11-08 18:29:20,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:20,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:21,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:21,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268943207] [2024-11-08 18:29:21,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268943207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:21,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:21,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:29:21,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692768719] [2024-11-08 18:29:21,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:21,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:29:21,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:21,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:29:21,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:29:21,351 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:21,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:21,393 INFO L93 Difference]: Finished difference Result 212 states and 305 transitions. [2024-11-08 18:29:21,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:29:21,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-08 18:29:21,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:21,396 INFO L225 Difference]: With dead ends: 212 [2024-11-08 18:29:21,396 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 18:29:21,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:29:21,399 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 430 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 [2024-11-08 18:29:21,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 430 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:29:21,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 18:29:21,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-08 18:29:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2024-11-08 18:29:21,410 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 136 [2024-11-08 18:29:21,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:21,411 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2024-11-08 18:29:21,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:21,412 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2024-11-08 18:29:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:29:21,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:21,414 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:21,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:29:21,415 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:21,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:21,415 INFO L85 PathProgramCache]: Analyzing trace with hash 968894940, now seen corresponding path program 1 times [2024-11-08 18:29:21,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:21,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520771201] [2024-11-08 18:29:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:21,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:21,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:21,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520771201] [2024-11-08 18:29:21,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520771201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:21,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:21,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:29:21,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672047806] [2024-11-08 18:29:21,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:21,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:29:21,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:21,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:29:21,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:29:21,674 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:21,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:21,731 INFO L93 Difference]: Finished difference Result 216 states and 309 transitions. [2024-11-08 18:29:21,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:29:21,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-08 18:29:21,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:21,737 INFO L225 Difference]: With dead ends: 216 [2024-11-08 18:29:21,737 INFO L226 Difference]: Without dead ends: 111 [2024-11-08 18:29:21,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:29:21,743 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:21,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 431 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:29:21,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-08 18:29:21,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-08 18:29:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 156 transitions. [2024-11-08 18:29:21,761 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 156 transitions. Word has length 136 [2024-11-08 18:29:21,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:21,762 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 156 transitions. [2024-11-08 18:29:21,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2024-11-08 18:29:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:29:21,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:21,765 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:21,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:29:21,766 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:21,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:21,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1551064994, now seen corresponding path program 1 times [2024-11-08 18:29:21,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:21,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183495705] [2024-11-08 18:29:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:21,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:22,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:22,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183495705] [2024-11-08 18:29:22,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183495705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:22,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:22,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:29:22,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340295820] [2024-11-08 18:29:22,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:22,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:29:22,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:22,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:29:22,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:29:22,125 INFO L87 Difference]: Start difference. First operand 110 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:22,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:22,166 INFO L93 Difference]: Finished difference Result 220 states and 313 transitions. [2024-11-08 18:29:22,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:29:22,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-08 18:29:22,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:22,169 INFO L225 Difference]: With dead ends: 220 [2024-11-08 18:29:22,169 INFO L226 Difference]: Without dead ends: 113 [2024-11-08 18:29:22,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:29:22,174 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 433 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 [2024-11-08 18:29:22,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 433 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:29:22,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-08 18:29:22,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-08 18:29:22,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-11-08 18:29:22,195 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 136 [2024-11-08 18:29:22,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:22,195 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-11-08 18:29:22,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-11-08 18:29:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:29:22,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:22,204 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:22,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:29:22,204 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:22,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:22,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1549217952, now seen corresponding path program 1 times [2024-11-08 18:29:22,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:22,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048247323] [2024-11-08 18:29:22,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:22,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:23,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:23,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048247323] [2024-11-08 18:29:23,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048247323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:23,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:23,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:29:23,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578378857] [2024-11-08 18:29:23,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:23,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:29:23,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:23,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:29:23,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:23,140 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:23,551 INFO L93 Difference]: Finished difference Result 312 states and 439 transitions. [2024-11-08 18:29:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:29:23,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-08 18:29:23,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:23,554 INFO L225 Difference]: With dead ends: 312 [2024-11-08 18:29:23,554 INFO L226 Difference]: Without dead ends: 203 [2024-11-08 18:29:23,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:29:23,556 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 261 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:23,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 653 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:29:23,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-08 18:29:23,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 114. [2024-11-08 18:29:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 95 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-11-08 18:29:23,589 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 136 [2024-11-08 18:29:23,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:23,590 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-11-08 18:29:23,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-11-08 18:29:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:29:23,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:23,595 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:23,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:29:23,596 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:23,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash -622954711, now seen corresponding path program 1 times [2024-11-08 18:29:23,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:23,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124194531] [2024-11-08 18:29:23,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:23,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:29:24,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:24,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124194531] [2024-11-08 18:29:24,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124194531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:29:24,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154353961] [2024-11-08 18:29:24,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:24,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:29:24,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:29:24,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:29:24,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:29:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:25,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 18:29:25,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:29:25,876 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 15 treesize of output 1 [2024-11-08 18:29:26,048 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 37 treesize of output 25 [2024-11-08 18:29:26,076 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 11 treesize of output 7 [2024-11-08 18:29:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 4 proven. 252 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:29:26,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:29:26,186 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 [2024-11-08 18:29:26,203 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:29:26,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 36 [2024-11-08 18:29:26,509 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 32 [2024-11-08 18:29:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:29:26,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154353961] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:29:26,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:29:26,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 18 [2024-11-08 18:29:26,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053629852] [2024-11-08 18:29:26,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:29:26,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 18:29:26,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:26,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 18:29:26,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:29:26,738 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 18 states, 15 states have (on average 5.066666666666666) internal successors, (76), 17 states have internal predecessors, (76), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-08 18:29:28,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:28,050 INFO L93 Difference]: Finished difference Result 348 states and 484 transitions. [2024-11-08 18:29:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 18:29:28,051 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.066666666666666) internal successors, (76), 17 states have internal predecessors, (76), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) Word has length 136 [2024-11-08 18:29:28,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:28,055 INFO L225 Difference]: With dead ends: 348 [2024-11-08 18:29:28,055 INFO L226 Difference]: Without dead ends: 237 [2024-11-08 18:29:28,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 297 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=287, Invalid=1119, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 18:29:28,057 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 600 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:28,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 1443 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 18:29:28,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-08 18:29:28,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 129. [2024-11-08 18:29:28,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 109 states have internal predecessors, (145), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:28,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 179 transitions. [2024-11-08 18:29:28,092 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 179 transitions. Word has length 136 [2024-11-08 18:29:28,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:28,094 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 179 transitions. [2024-11-08 18:29:28,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.066666666666666) internal successors, (76), 17 states have internal predecessors, (76), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-08 18:29:28,095 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 179 transitions. [2024-11-08 18:29:28,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:29:28,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:28,096 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:28,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:29:28,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:29:28,297 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:28,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:28,298 INFO L85 PathProgramCache]: Analyzing trace with hash -756968217, now seen corresponding path program 1 times [2024-11-08 18:29:28,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:28,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489102570] [2024-11-08 18:29:28,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:28,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:28,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:29,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:29,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:29,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:29,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:29,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:29,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:29:29,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:29,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489102570] [2024-11-08 18:29:29,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489102570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:29:29,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968038244] [2024-11-08 18:29:29,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:29,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:29:29,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:29:29,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:29:29,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:29:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:29,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 18:29:29,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:29:29,780 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 15 treesize of output 1 [2024-11-08 18:29:29,996 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 37 treesize of output 25 [2024-11-08 18:29:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 6 proven. 298 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-08 18:29:30,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:29:30,260 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 32 [2024-11-08 18:29:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:29:30,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968038244] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:29:30,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:29:30,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2024-11-08 18:29:30,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773013762] [2024-11-08 18:29:30,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:29:30,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 18:29:30,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:30,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 18:29:30,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:29:30,436 INFO L87 Difference]: Start difference. First operand 129 states and 179 transitions. Second operand has 13 states, 10 states have (on average 6.9) internal successors, (69), 12 states have internal predecessors, (69), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-08 18:29:31,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:31,057 INFO L93 Difference]: Finished difference Result 282 states and 391 transitions. [2024-11-08 18:29:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:29:31,058 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 12 states have internal predecessors, (69), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) Word has length 136 [2024-11-08 18:29:31,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:31,060 INFO L225 Difference]: With dead ends: 282 [2024-11-08 18:29:31,060 INFO L226 Difference]: Without dead ends: 156 [2024-11-08 18:29:31,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 299 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:29:31,062 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 210 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:31,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 784 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:29:31,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-08 18:29:31,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2024-11-08 18:29:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 123 states have internal predecessors, (157), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 18:29:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 211 transitions. [2024-11-08 18:29:31,084 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 211 transitions. Word has length 136 [2024-11-08 18:29:31,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:31,085 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 211 transitions. [2024-11-08 18:29:31,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 12 states have internal predecessors, (69), 5 states have call successors, (35), 3 states have call predecessors, (35), 5 states have return successors, (35), 3 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-08 18:29:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2024-11-08 18:29:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:29:31,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:31,087 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:31,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:29:31,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:29:31,288 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:31,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:31,288 INFO L85 PathProgramCache]: Analyzing trace with hash -128084654, now seen corresponding path program 1 times [2024-11-08 18:29:31,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:31,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67279441] [2024-11-08 18:29:31,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:31,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:31,848 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:31,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:31,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67279441] [2024-11-08 18:29:31,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67279441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:31,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:31,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:29:31,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606488250] [2024-11-08 18:29:31,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:31,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:29:31,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:31,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:29:31,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:29:31,851 INFO L87 Difference]: Start difference. First operand 153 states and 211 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:31,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:31,971 INFO L93 Difference]: Finished difference Result 401 states and 550 transitions. [2024-11-08 18:29:31,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:29:31,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-08 18:29:31,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:31,976 INFO L225 Difference]: With dead ends: 401 [2024-11-08 18:29:31,976 INFO L226 Difference]: Without dead ends: 272 [2024-11-08 18:29:31,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:29:31,978 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 143 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:31,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 759 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:29:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-08 18:29:32,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 262. [2024-11-08 18:29:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 211 states have (on average 1.2938388625592416) internal successors, (273), 213 states have internal predecessors, (273), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 18:29:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 361 transitions. [2024-11-08 18:29:32,024 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 361 transitions. Word has length 136 [2024-11-08 18:29:32,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:32,024 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 361 transitions. [2024-11-08 18:29:32,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 361 transitions. [2024-11-08 18:29:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:29:32,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:32,027 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:32,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:29:32,027 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:32,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash -262098160, now seen corresponding path program 1 times [2024-11-08 18:29:32,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:32,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496843762] [2024-11-08 18:29:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:32,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:32,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:32,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:32,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:29:33,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:33,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496843762] [2024-11-08 18:29:33,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496843762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:29:33,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644567039] [2024-11-08 18:29:33,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:33,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:29:33,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:29:33,154 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:29:33,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:29:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:33,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 18:29:33,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:29:33,783 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 15 treesize of output 1 [2024-11-08 18:29:33,963 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 37 treesize of output 25 [2024-11-08 18:29:33,980 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 11 treesize of output 7 [2024-11-08 18:29:34,007 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 6 proven. 298 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-08 18:29:34,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:29:34,310 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 32 [2024-11-08 18:29:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:29:34,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644567039] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:29:34,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:29:34,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 19 [2024-11-08 18:29:34,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652019046] [2024-11-08 18:29:34,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:29:34,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 18:29:34,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:34,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 18:29:34,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:29:34,461 INFO L87 Difference]: Start difference. First operand 262 states and 361 transitions. Second operand has 19 states, 15 states have (on average 5.066666666666666) internal successors, (76), 18 states have internal predecessors, (76), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) [2024-11-08 18:29:36,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:36,106 INFO L93 Difference]: Finished difference Result 613 states and 838 transitions. [2024-11-08 18:29:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 18:29:36,107 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 5.066666666666666) internal successors, (76), 18 states have internal predecessors, (76), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) Word has length 136 [2024-11-08 18:29:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:36,110 INFO L225 Difference]: With dead ends: 613 [2024-11-08 18:29:36,114 INFO L226 Difference]: Without dead ends: 375 [2024-11-08 18:29:36,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 298 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=319, Invalid=1321, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 18:29:36,119 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 474 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:36,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 1906 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 18:29:36,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-08 18:29:36,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 250. [2024-11-08 18:29:36,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 199 states have (on average 1.2814070351758795) internal successors, (255), 201 states have internal predecessors, (255), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 18:29:36,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 343 transitions. [2024-11-08 18:29:36,175 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 343 transitions. Word has length 136 [2024-11-08 18:29:36,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:36,176 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 343 transitions. [2024-11-08 18:29:36,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 5.066666666666666) internal successors, (76), 18 states have internal predecessors, (76), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 3 states have call predecessors, (36), 6 states have call successors, (36) [2024-11-08 18:29:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 343 transitions. [2024-11-08 18:29:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 18:29:36,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:36,178 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:36,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 18:29:36,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 18:29:36,383 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:36,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:36,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1116883536, now seen corresponding path program 1 times [2024-11-08 18:29:36,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:36,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486974258] [2024-11-08 18:29:36,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:36,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:36,815 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:36,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:36,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486974258] [2024-11-08 18:29:36,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486974258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:36,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:36,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:29:36,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184860652] [2024-11-08 18:29:36,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:36,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:29:36,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:36,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:29:36,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:36,818 INFO L87 Difference]: Start difference. First operand 250 states and 343 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:36,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:36,963 INFO L93 Difference]: Finished difference Result 708 states and 969 transitions. [2024-11-08 18:29:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:29:36,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-11-08 18:29:36,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:36,967 INFO L225 Difference]: With dead ends: 708 [2024-11-08 18:29:36,968 INFO L226 Difference]: Without dead ends: 482 [2024-11-08 18:29:36,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:29:36,969 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 143 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:36,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1048 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:29:36,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-08 18:29:37,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 254. [2024-11-08 18:29:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 205 states have internal predecessors, (261), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 18:29:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 349 transitions. [2024-11-08 18:29:37,011 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 349 transitions. Word has length 137 [2024-11-08 18:29:37,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:37,011 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 349 transitions. [2024-11-08 18:29:37,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:37,012 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 349 transitions. [2024-11-08 18:29:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 18:29:37,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:37,014 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:37,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 18:29:37,014 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:37,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:37,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2043146777, now seen corresponding path program 1 times [2024-11-08 18:29:37,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:37,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982862633] [2024-11-08 18:29:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:37,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:37,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:37,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982862633] [2024-11-08 18:29:37,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982862633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:37,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:37,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:29:37,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699367183] [2024-11-08 18:29:37,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:37,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:29:37,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:37,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:29:37,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:37,553 INFO L87 Difference]: Start difference. First operand 254 states and 349 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:37,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:37,758 INFO L93 Difference]: Finished difference Result 482 states and 662 transitions. [2024-11-08 18:29:37,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:29:37,759 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-11-08 18:29:37,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:37,761 INFO L225 Difference]: With dead ends: 482 [2024-11-08 18:29:37,761 INFO L226 Difference]: Without dead ends: 252 [2024-11-08 18:29:37,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:29:37,762 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 234 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:37,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 379 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:29:37,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-08 18:29:37,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2024-11-08 18:29:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 201 states have (on average 1.2736318407960199) internal successors, (256), 203 states have internal predecessors, (256), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 18:29:37,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 344 transitions. [2024-11-08 18:29:37,793 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 344 transitions. Word has length 137 [2024-11-08 18:29:37,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:37,794 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 344 transitions. [2024-11-08 18:29:37,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 344 transitions. [2024-11-08 18:29:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:29:37,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:37,796 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:37,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 18:29:37,797 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:37,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:37,797 INFO L85 PathProgramCache]: Analyzing trace with hash -363902251, now seen corresponding path program 1 times [2024-11-08 18:29:37,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:37,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930822117] [2024-11-08 18:29:37,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:37,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:38,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:38,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930822117] [2024-11-08 18:29:38,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930822117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:38,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:38,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:29:38,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998780327] [2024-11-08 18:29:38,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:38,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:29:38,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:38,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:29:38,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:29:38,097 INFO L87 Difference]: Start difference. First operand 252 states and 344 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:38,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:38,357 INFO L93 Difference]: Finished difference Result 606 states and 818 transitions. [2024-11-08 18:29:38,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:29:38,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-08 18:29:38,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:38,363 INFO L225 Difference]: With dead ends: 606 [2024-11-08 18:29:38,363 INFO L226 Difference]: Without dead ends: 378 [2024-11-08 18:29:38,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:38,365 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 116 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:38,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 841 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:29:38,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-08 18:29:38,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 176. [2024-11-08 18:29:38,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 135 states have (on average 1.2296296296296296) internal successors, (166), 136 states have internal predecessors, (166), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:29:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 234 transitions. [2024-11-08 18:29:38,422 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 234 transitions. Word has length 138 [2024-11-08 18:29:38,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:38,423 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 234 transitions. [2024-11-08 18:29:38,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 234 transitions. [2024-11-08 18:29:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 18:29:38,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:38,428 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:38,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 18:29:38,428 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:38,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:38,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1953512459, now seen corresponding path program 1 times [2024-11-08 18:29:38,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:38,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302508361] [2024-11-08 18:29:38,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:38,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:39,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:39,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302508361] [2024-11-08 18:29:39,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302508361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:39,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:39,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:29:39,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39578769] [2024-11-08 18:29:39,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:39,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:29:39,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:39,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:29:39,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:39,580 INFO L87 Difference]: Start difference. First operand 176 states and 234 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:39,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:39,808 INFO L93 Difference]: Finished difference Result 372 states and 494 transitions. [2024-11-08 18:29:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:29:39,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-08 18:29:39,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:39,811 INFO L225 Difference]: With dead ends: 372 [2024-11-08 18:29:39,811 INFO L226 Difference]: Without dead ends: 251 [2024-11-08 18:29:39,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:29:39,813 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 75 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:39,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 756 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:29:39,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-08 18:29:39,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 248. [2024-11-08 18:29:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 200 states have (on average 1.245) internal successors, (249), 202 states have internal predecessors, (249), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:29:39,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 329 transitions. [2024-11-08 18:29:39,851 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 329 transitions. Word has length 139 [2024-11-08 18:29:39,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:39,852 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 329 transitions. [2024-11-08 18:29:39,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:39,852 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 329 transitions. [2024-11-08 18:29:39,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 18:29:39,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:39,854 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:39,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 18:29:39,855 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:39,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:39,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1214738057, now seen corresponding path program 1 times [2024-11-08 18:29:39,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:39,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325012749] [2024-11-08 18:29:39,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:39,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,148 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:40,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:40,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325012749] [2024-11-08 18:29:40,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325012749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:40,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:40,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:29:40,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063875828] [2024-11-08 18:29:40,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:40,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:29:40,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:40,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:29:40,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:29:40,151 INFO L87 Difference]: Start difference. First operand 248 states and 329 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:40,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:40,397 INFO L93 Difference]: Finished difference Result 585 states and 777 transitions. [2024-11-08 18:29:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:29:40,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-08 18:29:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:40,401 INFO L225 Difference]: With dead ends: 585 [2024-11-08 18:29:40,401 INFO L226 Difference]: Without dead ends: 392 [2024-11-08 18:29:40,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:40,404 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 113 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:40,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 538 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:29:40,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-08 18:29:40,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 248. [2024-11-08 18:29:40,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 200 states have (on average 1.235) internal successors, (247), 202 states have internal predecessors, (247), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:29:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 327 transitions. [2024-11-08 18:29:40,454 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 327 transitions. Word has length 139 [2024-11-08 18:29:40,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:40,455 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 327 transitions. [2024-11-08 18:29:40,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 327 transitions. [2024-11-08 18:29:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:29:40,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:40,457 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:40,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 18:29:40,459 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:40,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:40,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1679262908, now seen corresponding path program 1 times [2024-11-08 18:29:40,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:40,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448014268] [2024-11-08 18:29:40,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:40,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:40,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:41,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:41,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448014268] [2024-11-08 18:29:41,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448014268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:41,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:41,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:29:41,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339463713] [2024-11-08 18:29:41,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:41,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:29:41,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:41,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:29:41,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:41,031 INFO L87 Difference]: Start difference. First operand 248 states and 327 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:41,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:41,324 INFO L93 Difference]: Finished difference Result 441 states and 582 transitions. [2024-11-08 18:29:41,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:29:41,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-08 18:29:41,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:41,329 INFO L225 Difference]: With dead ends: 441 [2024-11-08 18:29:41,329 INFO L226 Difference]: Without dead ends: 248 [2024-11-08 18:29:41,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:29:41,330 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 136 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:41,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 376 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:29:41,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-08 18:29:41,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2024-11-08 18:29:41,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 200 states have (on average 1.225) internal successors, (245), 202 states have internal predecessors, (245), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:29:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 325 transitions. [2024-11-08 18:29:41,374 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 325 transitions. Word has length 140 [2024-11-08 18:29:41,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:41,376 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 325 transitions. [2024-11-08 18:29:41,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 325 transitions. [2024-11-08 18:29:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:29:41,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:41,378 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:41,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 18:29:41,379 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:41,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:41,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1027356486, now seen corresponding path program 1 times [2024-11-08 18:29:41,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:41,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569224410] [2024-11-08 18:29:41,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:41,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:42,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:42,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569224410] [2024-11-08 18:29:42,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569224410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:42,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:42,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:29:42,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983572085] [2024-11-08 18:29:42,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:42,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:29:42,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:42,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:29:42,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:29:42,470 INFO L87 Difference]: Start difference. First operand 248 states and 325 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:42,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:42,743 INFO L93 Difference]: Finished difference Result 534 states and 698 transitions. [2024-11-08 18:29:42,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:29:42,744 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-08 18:29:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:42,746 INFO L225 Difference]: With dead ends: 534 [2024-11-08 18:29:42,747 INFO L226 Difference]: Without dead ends: 341 [2024-11-08 18:29:42,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:29:42,748 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 48 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:42,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 1042 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:29:42,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-08 18:29:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 258. [2024-11-08 18:29:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 210 states have (on average 1.2142857142857142) internal successors, (255), 212 states have internal predecessors, (255), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:29:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 335 transitions. [2024-11-08 18:29:42,794 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 335 transitions. Word has length 140 [2024-11-08 18:29:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:42,795 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 335 transitions. [2024-11-08 18:29:42,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 335 transitions. [2024-11-08 18:29:42,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:29:42,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:42,798 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:42,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 18:29:42,798 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:42,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:42,799 INFO L85 PathProgramCache]: Analyzing trace with hash -604654660, now seen corresponding path program 1 times [2024-11-08 18:29:42,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:42,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677442202] [2024-11-08 18:29:42,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:42,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:43,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:43,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677442202] [2024-11-08 18:29:43,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677442202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:43,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:43,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:29:43,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439227627] [2024-11-08 18:29:43,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:43,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:29:43,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:43,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:29:43,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:43,386 INFO L87 Difference]: Start difference. First operand 258 states and 335 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:43,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:43,568 INFO L93 Difference]: Finished difference Result 445 states and 580 transitions. [2024-11-08 18:29:43,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:29:43,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-08 18:29:43,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:43,573 INFO L225 Difference]: With dead ends: 445 [2024-11-08 18:29:43,573 INFO L226 Difference]: Without dead ends: 242 [2024-11-08 18:29:43,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:29:43,574 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 137 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:43,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 371 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:29:43,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-08 18:29:43,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2024-11-08 18:29:43,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 194 states have (on average 1.211340206185567) internal successors, (235), 196 states have internal predecessors, (235), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:29:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 315 transitions. [2024-11-08 18:29:43,615 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 315 transitions. Word has length 140 [2024-11-08 18:29:43,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:43,615 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 315 transitions. [2024-11-08 18:29:43,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 315 transitions. [2024-11-08 18:29:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 18:29:43,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:43,617 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:43,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 18:29:43,618 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:43,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:43,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1279335197, now seen corresponding path program 1 times [2024-11-08 18:29:43,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:43,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998289183] [2024-11-08 18:29:43,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:43,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:44,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:44,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998289183] [2024-11-08 18:29:44,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998289183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:44,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:44,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:29:44,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142157132] [2024-11-08 18:29:44,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:44,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:29:44,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:44,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:29:44,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:44,395 INFO L87 Difference]: Start difference. First operand 242 states and 315 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:44,723 INFO L93 Difference]: Finished difference Result 431 states and 559 transitions. [2024-11-08 18:29:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:29:44,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 142 [2024-11-08 18:29:44,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:44,726 INFO L225 Difference]: With dead ends: 431 [2024-11-08 18:29:44,726 INFO L226 Difference]: Without dead ends: 244 [2024-11-08 18:29:44,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:29:44,727 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 198 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:44,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 598 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:29:44,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-08 18:29:44,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 242. [2024-11-08 18:29:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 194 states have (on average 1.2061855670103092) internal successors, (234), 196 states have internal predecessors, (234), 40 states have call successors, (40), 7 states have call predecessors, (40), 7 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:29:44,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 314 transitions. [2024-11-08 18:29:44,771 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 314 transitions. Word has length 142 [2024-11-08 18:29:44,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:44,771 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 314 transitions. [2024-11-08 18:29:44,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 314 transitions. [2024-11-08 18:29:44,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:29:44,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:44,774 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:44,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 18:29:44,774 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:44,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:44,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1062343917, now seen corresponding path program 1 times [2024-11-08 18:29:44,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:44,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166160291] [2024-11-08 18:29:44,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:44,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:29:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:29:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 18:29:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:29:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 18:29:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 18:29:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 18:29:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 18:29:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 18:29:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:29:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:29:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 18:29:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:29:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:29:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:29:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:29:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 18:29:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:29:45,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:45,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166160291] [2024-11-08 18:29:45,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166160291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:45,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:45,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:29:45,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500185577] [2024-11-08 18:29:45,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:45,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:29:45,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:45,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:29:45,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:29:45,321 INFO L87 Difference]: Start difference. First operand 242 states and 314 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:45,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:45,450 INFO L93 Difference]: Finished difference Result 254 states and 326 transitions. [2024-11-08 18:29:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:29:45,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-08 18:29:45,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:45,453 INFO L225 Difference]: With dead ends: 254 [2024-11-08 18:29:45,453 INFO L226 Difference]: Without dead ends: 252 [2024-11-08 18:29:45,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:29:45,454 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 80 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:29:45,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 698 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:29:45,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-08 18:29:45,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2024-11-08 18:29:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 203 states have (on average 1.1970443349753694) internal successors, (243), 205 states have internal predecessors, (243), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:29:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 323 transitions. [2024-11-08 18:29:45,499 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 323 transitions. Word has length 143 [2024-11-08 18:29:45,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:45,500 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 323 transitions. [2024-11-08 18:29:45,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:29:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 323 transitions. [2024-11-08 18:29:45,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:29:45,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:45,503 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:45,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 18:29:45,503 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:45,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:45,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1060496875, now seen corresponding path program 1 times [2024-11-08 18:29:45,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:45,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713333359] [2024-11-08 18:29:45,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:45,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:29:45,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:29:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:29:45,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:29:45,936 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:29:45,937 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:29:45,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 18:29:45,942 INFO L407 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] [2024-11-08 18:29:46,240 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:29:46,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:29:46 BoogieIcfgContainer [2024-11-08 18:29:46,245 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:29:46,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:29:46,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:29:46,246 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:29:46,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:29:19" (3/4) ... [2024-11-08 18:29:46,249 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:29:46,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:29:46,252 INFO L158 Benchmark]: Toolchain (without parser) took 28884.52ms. Allocated memory was 159.4MB in the beginning and 490.7MB in the end (delta: 331.4MB). Free memory was 116.4MB in the beginning and 446.0MB in the end (delta: -329.5MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-11-08 18:29:46,252 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 159.4MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:29:46,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.76ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 100.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:29:46,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.50ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 97.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:29:46,254 INFO L158 Benchmark]: Boogie Preprocessor took 130.12ms. Allocated memory is still 159.4MB. Free memory was 97.1MB in the beginning and 91.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:29:46,255 INFO L158 Benchmark]: RCFGBuilder took 1077.79ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 91.3MB in the beginning and 142.9MB in the end (delta: -51.6MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-11-08 18:29:46,255 INFO L158 Benchmark]: TraceAbstraction took 27083.41ms. Allocated memory was 195.0MB in the beginning and 490.7MB in the end (delta: 295.7MB). Free memory was 141.8MB in the beginning and 447.0MB in the end (delta: -305.2MB). Peak memory consumption was 279.9MB. Max. memory is 16.1GB. [2024-11-08 18:29:46,255 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 490.7MB. Free memory was 447.0MB in the beginning and 446.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:29:46,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 159.4MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.76ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 100.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.50ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 97.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.12ms. Allocated memory is still 159.4MB. Free memory was 97.1MB in the beginning and 91.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1077.79ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 91.3MB in the beginning and 142.9MB in the end (delta: -51.6MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * TraceAbstraction took 27083.41ms. Allocated memory was 195.0MB in the beginning and 490.7MB in the end (delta: 295.7MB). Free memory was 141.8MB in the beginning and 447.0MB in the end (delta: -305.2MB). Peak memory consumption was 279.9MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 490.7MB. Free memory was 447.0MB in the beginning and 446.0MB in the end (delta: 1.0MB). 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 someBinaryFLOATComparisonOperation at line 115. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L22] signed short int var_1_1 = 16; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_7 = 32; [L24] signed short int var_1_7 = 32; [L25] signed short int* var_1_7_Pointer = &(var_1_7); [L26] signed short int var_1_8 = 20113; [L26] signed short int var_1_8 = 20113; [L27] signed short int* var_1_8_Pointer = &(var_1_8); [L28] signed short int var_1_9 = 100; [L28] signed short int var_1_9 = 100; [L29] signed short int* var_1_9_Pointer = &(var_1_9); [L30] signed char var_1_10 = 100; [L30] signed char var_1_10 = 100; [L31] signed char* var_1_10_Pointer = &(var_1_10); [L32] signed char var_1_11 = -1; [L32] signed char var_1_11 = -1; [L33] signed char* var_1_11_Pointer = &(var_1_11); [L34] signed char var_1_12 = 16; [L34] signed char var_1_12 = 16; [L35] signed char* var_1_12_Pointer = &(var_1_12); [L36] unsigned char var_1_13 = 1; [L36] unsigned char var_1_13 = 1; [L37] unsigned char* var_1_13_Pointer = &(var_1_13); [L38] unsigned char var_1_15 = 0; [L38] unsigned char var_1_15 = 0; [L39] unsigned char* var_1_15_Pointer = &(var_1_15); [L40] unsigned char var_1_16 = 1; [L40] unsigned char var_1_16 = 1; [L41] unsigned char* var_1_16_Pointer = &(var_1_16); [L42] unsigned short int var_1_18 = 10; [L42] unsigned short int var_1_18 = 10; [L43] unsigned short int* var_1_18_Pointer = &(var_1_18); [L44] unsigned short int var_1_19 = 256; [L44] unsigned short int var_1_19 = 256; [L45] unsigned short int* var_1_19_Pointer = &(var_1_19); [L46] float var_1_20 = 32.5; [L46] float var_1_20 = 32.5; [L47] float* var_1_20_Pointer = &(var_1_20); [L48] float var_1_21 = 127.4; [L48] float var_1_21 = 127.4; [L49] float* var_1_21_Pointer = &(var_1_21); [L50] signed short int var_1_22 = 128; [L50] signed short int var_1_22 = 128; [L51] signed short int* var_1_22_Pointer = &(var_1_22); VAL [isInitial=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L119] isInitial = 1 [L120] FCALL initially() [L121] COND TRUE 1 [L122] FCALL updateLastVariables() [L123] CALL updateVariables() [L85] var_1_7 = __VERIFIER_nondet_short() [L86] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L86] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L86] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L87] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L87] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L87] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L88] var_1_8 = __VERIFIER_nondet_short() [L89] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L90] EXPR \read(var_1_8) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L90] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L90] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L91] var_1_9 = __VERIFIER_nondet_short() [L92] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L92] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L92] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L93] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L93] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L93] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L94] var_1_11 = __VERIFIER_nondet_char() [L95] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L95] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L95] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L96] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L96] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L96] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L97] var_1_12 = __VERIFIER_nondet_char() [L98] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L98] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L98] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L99] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L100] var_1_15 = __VERIFIER_nondet_uchar() [L101] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L101] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L101] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L102] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L102] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L102] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L103] var_1_16 = __VERIFIER_nondet_uchar() [L104] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L104] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L104] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L105] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L105] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L105] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L106] var_1_19 = __VERIFIER_nondet_ushort() [L107] EXPR \read(var_1_19) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L107] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L107] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L108] EXPR \read(var_1_19) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L108] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L108] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L109] var_1_21 = __VERIFIER_nondet_float() [L110] EXPR \read(var_1_21) [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F [L110] EXPR \read(var_1_21) [L110] EXPR var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] EXPR (var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] EXPR (var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L110] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L123] RET updateVariables() [L124] CALL step() [L55] EXPR \read(*var_1_19_Pointer) [L55] (*(var_1_18_Pointer)) = (*(var_1_19_Pointer)) [L56] EXPR \read(*var_1_21_Pointer) [L56] (*(var_1_20_Pointer)) = (*(var_1_21_Pointer)) [L57] EXPR \read(*var_1_12_Pointer) [L57] (*(var_1_22_Pointer)) = (*(var_1_12_Pointer)) [L58] EXPR \read(*var_1_20_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L58] COND TRUE 127.5f > (*(var_1_20_Pointer)) [L59] EXPR \read(*var_1_15_Pointer) [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) [L59] EXPR \read(*var_1_16_Pointer) [L59] EXPR (*(var_1_15_Pointer)) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L59] (*(var_1_13_Pointer)) = ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))) [L63] EXPR \read(*var_1_18_Pointer) [L63] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L63] COND TRUE (*(var_1_18_Pointer)) == (*(var_1_7_Pointer)) [L64] EXPR \read(*var_1_11_Pointer) [L64] EXPR \read(*var_1_12_Pointer) [L64] (*(var_1_10_Pointer)) = ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)) [L72] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L72] COND TRUE (*(var_1_13_Pointer)) [L73] EXPR \read(*var_1_10_Pointer) [L73] EXPR \read(*var_1_22_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] COND FALSE !((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) [L80] (*(var_1_1_Pointer)) = 8 VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L124] RET step() [L125] CALL, EXPR property() [L115] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1 [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_22_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8)) [L115] EXPR \read(*var_1_1_Pointer) [L115] EXPR ((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1 VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) [L115] EXPR \read(*var_1_18_Pointer) [L115] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1) [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_11_Pointer) [L115] EXPR \read(*var_1_12_Pointer) [L115] EXPR ((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) [L115] EXPR \read(*var_1_20_Pointer) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))) [L115] EXPR \read(*var_1_13_Pointer) [L115] EXPR \read(*var_1_20_Pointer) [L115] EXPR \read(*var_1_20_Pointer) [L115] EXPR ((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer)))))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) [L115] EXPR \read(*var_1_18_Pointer) [L115] EXPR \read(*var_1_19_Pointer) [L115] EXPR ((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) [L115] EXPR \read(*var_1_20_Pointer) [L115] EXPR \read(*var_1_21_Pointer) [L115] EXPR (((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115] EXPR ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L115-L116] return ((((((*(var_1_13_Pointer)) ? (((*(var_1_10_Pointer)) > (*(var_1_22_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_7_Pointer)) - ((*(var_1_8_Pointer)) - (*(var_1_9_Pointer)))))) : ((*(var_1_1_Pointer)) == ((signed short int) (*(var_1_18_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed short int) 8))) : 1) && (((*(var_1_18_Pointer)) == (*(var_1_7_Pointer))) ? ((*(var_1_10_Pointer)) == ((signed char) ((*(var_1_11_Pointer)) + ((*(var_1_12_Pointer)) + -25)))) : ((((32 * -25) | (*(var_1_22_Pointer))) >= (*(var_1_11_Pointer))) ? ((*(var_1_13_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed char) (*(var_1_12_Pointer)))) : 1) : 1))) && ((127.5f > (*(var_1_20_Pointer))) ? ((*(var_1_13_Pointer)) == ((unsigned char) ((*(var_1_15_Pointer)) && (*(var_1_16_Pointer))))) : ((*(var_1_13_Pointer)) == ((unsigned char) (((*(var_1_20_Pointer)) >= (*(var_1_20_Pointer))) || (*(var_1_15_Pointer))))))) && ((*(var_1_18_Pointer)) == ((unsigned short int) (*(var_1_19_Pointer))))) && ((*(var_1_20_Pointer)) == ((float) (*(var_1_21_Pointer))))) && ((*(var_1_22_Pointer)) == ((signed short int) (*(var_1_12_Pointer)))) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_16={13:0}, var_1_16_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_19={15:0}, var_1_19_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={16:0}, var_1_20_Pointer={16:0}, var_1_21={17:0}, var_1_21_Pointer={17:0}, var_1_22={18:0}, var_1_22_Pointer={18:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.7s, OverallIterations: 21, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2971 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2971 mSDsluCounter, 14069 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10640 mSDsCounter, 411 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2681 IncrementalHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 411 mSolverCounterUnsat, 3429 mSDtfsCounter, 2681 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1706 GetRequests, 1524 SyntacticMatches, 6 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=9, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 1000 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 3302 NumberOfCodeBlocks, 3302 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3541 ConstructedInterpolants, 0 QuantifiedInterpolants, 10865 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1846 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 26 InterpolantComputations, 17 PerfectInterpolantSequences, 13200/14144 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:29:46,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX --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 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:29:48,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:29:49,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:29:49,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:29:49,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:29:49,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:29:49,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:29:49,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:29:49,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:29:49,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:29:49,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:29:49,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:29:49,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:29:49,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:29:49,098 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:29:49,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:29:49,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:29:49,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:29:49,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:29:49,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:29:49,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:29:49,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:29:49,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:29:49,100 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:29:49,100 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:29:49,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:29:49,101 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:29:49,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:29:49,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:29:49,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:29:49,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:29:49,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:29:49,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:29:49,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:29:49,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:29:49,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:29:49,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:29:49,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:29:49,106 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:29:49,106 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:29:49,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:29:49,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:29:49,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:29:49,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:29:49,108 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7188c6f24541aba260187a36aa9df009a62318807d29ed8104d2cc5db8c5a63b [2024-11-08 18:29:49,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:29:49,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:29:49,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:29:49,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:29:49,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:29:49,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i Unable to find full path for "g++" [2024-11-08 18:29:51,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:29:52,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:29:52,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i [2024-11-08 18:29:52,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/data/8648399fa/434520e7556148cf91b3374837d8e90e/FLAG3f3b9aa7b [2024-11-08 18:29:52,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/data/8648399fa/434520e7556148cf91b3374837d8e90e [2024-11-08 18:29:52,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:29:52,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:29:52,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:29:52,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:29:52,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:29:52,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43899bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52, skipping insertion in model container [2024-11-08 18:29:52,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:29:52,395 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_f3ce82ce-c01e-4188-9170-894dae76fbfb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-11-08 18:29:52,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:29:52,561 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:29:52,603 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_f3ce82ce-c01e-4188-9170-894dae76fbfb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-97.i[916,929] [2024-11-08 18:29:52,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:29:52,676 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:29:52,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52 WrapperNode [2024-11-08 18:29:52,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:29:52,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:29:52,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:29:52,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:29:52,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,777 INFO L138 Inliner]: procedures = 33, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 449 [2024-11-08 18:29:52,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:29:52,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:29:52,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:29:52,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:29:52,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,849 INFO L175 MemorySlicer]: Split 116 memory accesses to 16 slices as follows [2, 7, 8, 6, 6, 7, 8, 10, 11, 8, 6, 7, 6, 9, 8, 7]. 9 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 3, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-11-08 18:29:52,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:29:52,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:29:52,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:29:52,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:29:52,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (1/1) ... [2024-11-08 18:29:52,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:29:52,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:29:52,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:29:52,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:29:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:29:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 18:29:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 18:29:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 18:29:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 18:29:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 18:29:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 18:29:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-08 18:29:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-08 18:29:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-08 18:29:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-08 18:29:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-08 18:29:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-08 18:29:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-08 18:29:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-08 18:29:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-08 18:29:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-08 18:29:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 18:29:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 18:29:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 18:29:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 18:29:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 18:29:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 18:29:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-08 18:29:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-08 18:29:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-08 18:29:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-08 18:29:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-08 18:29:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-08 18:29:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-08 18:29:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-08 18:29:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-11-08 18:29:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-11-08 18:29:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:29:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 18:29:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 18:29:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 18:29:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 18:29:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 18:29:53,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 18:29:53,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 18:29:53,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 18:29:53,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 18:29:53,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-08 18:29:53,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-08 18:29:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-08 18:29:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-08 18:29:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-08 18:29:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-08 18:29:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 18:29:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 18:29:53,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 18:29:53,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 18:29:53,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 18:29:53,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 18:29:53,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 18:29:53,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-08 18:29:53,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-08 18:29:53,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-08 18:29:53,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-08 18:29:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-08 18:29:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-08 18:29:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-08 18:29:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-08 18:29:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-08 18:29:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 18:29:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 18:29:53,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 18:29:53,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 18:29:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 18:29:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 18:29:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-08 18:29:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-08 18:29:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-08 18:29:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-08 18:29:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-08 18:29:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-08 18:29:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-08 18:29:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-08 18:29:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-08 18:29:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-11-08 18:29:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 18:29:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 18:29:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 18:29:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 18:29:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 18:29:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 18:29:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 18:29:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-08 18:29:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-08 18:29:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-08 18:29:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-08 18:29:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-08 18:29:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-08 18:29:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-08 18:29:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-08 18:29:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-08 18:29:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 18:29:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 18:29:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 18:29:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 18:29:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 18:29:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 18:29:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 18:29:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-08 18:29:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-08 18:29:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-08 18:29:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-08 18:29:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-08 18:29:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-08 18:29:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-08 18:29:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-08 18:29:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-08 18:29:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:29:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:29:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:29:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:29:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 18:29:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 18:29:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 18:29:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 18:29:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 18:29:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 18:29:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-08 18:29:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-08 18:29:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-08 18:29:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-08 18:29:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-08 18:29:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-08 18:29:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-08 18:29:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-08 18:29:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-08 18:29:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-08 18:29:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 18:29:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 18:29:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 18:29:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 18:29:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 18:29:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 18:29:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-08 18:29:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-08 18:29:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-08 18:29:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-08 18:29:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-08 18:29:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-08 18:29:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-08 18:29:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-08 18:29:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-08 18:29:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-11-08 18:29:53,385 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:29:53,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:29:53,950 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2024-11-08 18:29:53,950 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:29:53,969 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:29:53,970 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:29:53,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:29:53 BoogieIcfgContainer [2024-11-08 18:29:53,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:29:53,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:29:53,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:29:53,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:29:53,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:29:52" (1/3) ... [2024-11-08 18:29:53,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2107a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:29:53, skipping insertion in model container [2024-11-08 18:29:53,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:52" (2/3) ... [2024-11-08 18:29:53,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2107a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:29:53, skipping insertion in model container [2024-11-08 18:29:53,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:29:53" (3/3) ... [2024-11-08 18:29:53,983 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-97.i [2024-11-08 18:29:54,001 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:29:54,002 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:29:54,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:29:54,115 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;@6e784e8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:29:54,115 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:29:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 80 states have (on average 1.3875) internal successors, (111), 81 states have internal predecessors, (111), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:29:54,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:54,138 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:54,139 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:54,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:54,146 INFO L85 PathProgramCache]: Analyzing trace with hash 941616531, now seen corresponding path program 1 times [2024-11-08 18:29:54,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:29:54,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343843040] [2024-11-08 18:29:54,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:54,166 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 [2024-11-08 18:29:54,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:29:54,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:29:54,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:29:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:54,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:29:54,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:29:54,782 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-08 18:29:54,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:29:54,783 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:29:54,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343843040] [2024-11-08 18:29:54,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1343843040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:54,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:54,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:54,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828914084] [2024-11-08 18:29:54,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:54,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:29:54,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:29:54,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:29:54,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:29:54,825 INFO L87 Difference]: Start difference. First operand has 100 states, 80 states have (on average 1.3875) internal successors, (111), 81 states have internal predecessors, (111), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:29:54,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:29:54,864 INFO L93 Difference]: Finished difference Result 193 states and 301 transitions. [2024-11-08 18:29:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:29:54,866 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-11-08 18:29:54,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:29:54,876 INFO L225 Difference]: With dead ends: 193 [2024-11-08 18:29:54,876 INFO L226 Difference]: Without dead ends: 96 [2024-11-08 18:29:54,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:29:54,884 INFO L432 NwaCegarLoop]: 138 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, 138 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 [2024-11-08 18:29:54,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:29:54,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-08 18:29:54,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-08 18:29:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:29:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2024-11-08 18:29:54,942 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 134 [2024-11-08 18:29:54,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:29:54,943 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2024-11-08 18:29:54,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:29:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2024-11-08 18:29:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:29:54,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:29:54,947 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:54,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:29:55,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:29:55,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:29:55,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:55,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1087633521, now seen corresponding path program 1 times [2024-11-08 18:29:55,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:29:55,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083584549] [2024-11-08 18:29:55,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:55,155 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 [2024-11-08 18:29:55,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:29:55,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:29:55,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:29:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:55,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:29:55,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:29:56,921 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 42 treesize of output 26 [2024-11-08 18:29:56,964 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 [2024-11-08 18:29:57,008 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 17 treesize of output 9 [2024-11-08 18:29:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:29:57,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:29:57,836 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:29:57,837 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 30 treesize of output 25 [2024-11-08 18:29:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:29:58,129 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:29:58,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083584549] [2024-11-08 18:29:58,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083584549] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:29:58,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:29:58,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-08 18:29:58,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199972806] [2024-11-08 18:29:58,130 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:29:58,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:29:58,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:29:58,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:29:58,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:29:58,135 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 24 states, 20 states have (on average 4.35) internal successors, (87), 22 states have internal predecessors, (87), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:00,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:00,713 INFO L93 Difference]: Finished difference Result 304 states and 426 transitions. [2024-11-08 18:30:00,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:30:00,714 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.35) internal successors, (87), 22 states have internal predecessors, (87), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 134 [2024-11-08 18:30:00,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:00,718 INFO L225 Difference]: With dead ends: 304 [2024-11-08 18:30:00,721 INFO L226 Difference]: Without dead ends: 211 [2024-11-08 18:30:00,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:30:00,724 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 653 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:00,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 1454 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 18:30:00,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-08 18:30:00,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 111. [2024-11-08 18:30:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:30:00,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2024-11-08 18:30:00,771 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 134 [2024-11-08 18:30:00,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:00,777 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2024-11-08 18:30:00,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.35) internal successors, (87), 22 states have internal predecessors, (87), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:00,777 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2024-11-08 18:30:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:30:00,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:00,783 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:00,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:00,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:00,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:00,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:00,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1306488239, now seen corresponding path program 1 times [2024-11-08 18:30:00,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:00,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679018929] [2024-11-08 18:30:00,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:00,988 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 [2024-11-08 18:30:00,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:00,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:00,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:01,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 18:30:01,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:02,372 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 42 treesize of output 26 [2024-11-08 18:30:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 18:30:02,392 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:02,879 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:30:02,879 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 30 treesize of output 25 [2024-11-08 18:30:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:30:03,064 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:03,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679018929] [2024-11-08 18:30:03,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679018929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:30:03,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:30:03,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2024-11-08 18:30:03,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133431864] [2024-11-08 18:30:03,068 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:30:03,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 18:30:03,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:03,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 18:30:03,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:30:03,071 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand has 20 states, 16 states have (on average 5.1875) internal successors, (83), 18 states have internal predecessors, (83), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:04,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:04,240 INFO L93 Difference]: Finished difference Result 250 states and 344 transitions. [2024-11-08 18:30:04,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 18:30:04,241 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 18 states have internal predecessors, (83), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 134 [2024-11-08 18:30:04,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:04,244 INFO L225 Difference]: With dead ends: 250 [2024-11-08 18:30:04,247 INFO L226 Difference]: Without dead ends: 142 [2024-11-08 18:30:04,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=257, Invalid=613, Unknown=0, NotChecked=0, Total=870 [2024-11-08 18:30:04,250 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 696 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:04,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 904 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 18:30:04,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-08 18:30:04,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 139. [2024-11-08 18:30:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 106 states have (on average 1.2735849056603774) internal successors, (135), 107 states have internal predecessors, (135), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 18:30:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 189 transitions. [2024-11-08 18:30:04,295 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 189 transitions. Word has length 134 [2024-11-08 18:30:04,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:04,297 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 189 transitions. [2024-11-08 18:30:04,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 18 states have internal predecessors, (83), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 189 transitions. [2024-11-08 18:30:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:30:04,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:04,304 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:04,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:04,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:04,505 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:04,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:04,505 INFO L85 PathProgramCache]: Analyzing trace with hash 145132762, now seen corresponding path program 1 times [2024-11-08 18:30:04,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:04,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861392991] [2024-11-08 18:30:04,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:04,507 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 [2024-11-08 18:30:04,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:04,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:04,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:04,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:30:04,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:04,903 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 [2024-11-08 18:30:04,923 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 17 treesize of output 9 [2024-11-08 18:30:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:04,935 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:30:04,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:04,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861392991] [2024-11-08 18:30:04,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861392991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:30:04,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:30:04,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:30:04,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969528511] [2024-11-08 18:30:04,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:04,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:30:04,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:04,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:30:04,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:30:04,940 INFO L87 Difference]: Start difference. First operand 139 states and 189 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:05,102 INFO L93 Difference]: Finished difference Result 365 states and 492 transitions. [2024-11-08 18:30:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:30:05,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2024-11-08 18:30:05,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:05,106 INFO L225 Difference]: With dead ends: 365 [2024-11-08 18:30:05,106 INFO L226 Difference]: Without dead ends: 250 [2024-11-08 18:30:05,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:30:05,108 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 131 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:05,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 675 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:30:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-08 18:30:05,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 240. [2024-11-08 18:30:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 185 states have (on average 1.281081081081081) internal successors, (237), 187 states have internal predecessors, (237), 44 states have call successors, (44), 10 states have call predecessors, (44), 10 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 18:30:05,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 325 transitions. [2024-11-08 18:30:05,151 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 325 transitions. Word has length 134 [2024-11-08 18:30:05,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:05,152 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 325 transitions. [2024-11-08 18:30:05,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 325 transitions. [2024-11-08 18:30:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 18:30:05,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:05,155 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:05,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:05,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:05,359 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:05,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash 363987480, now seen corresponding path program 1 times [2024-11-08 18:30:05,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:05,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332662900] [2024-11-08 18:30:05,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:05,361 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 [2024-11-08 18:30:05,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:05,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:05,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:05,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:30:05,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:06,461 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 42 treesize of output 26 [2024-11-08 18:30:06,484 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 [2024-11-08 18:30:06,517 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 17 treesize of output 9 [2024-11-08 18:30:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 18:30:06,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:07,099 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:30:07,100 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 30 treesize of output 25 [2024-11-08 18:30:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:30:07,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:07,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332662900] [2024-11-08 18:30:07,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332662900] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:30:07,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:30:07,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-08 18:30:07,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444156723] [2024-11-08 18:30:07,275 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:30:07,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:30:07,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:07,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:30:07,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:30:07,278 INFO L87 Difference]: Start difference. First operand 240 states and 325 transitions. Second operand has 24 states, 20 states have (on average 4.45) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:09,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:09,682 INFO L93 Difference]: Finished difference Result 567 states and 760 transitions. [2024-11-08 18:30:09,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:30:09,683 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.45) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 134 [2024-11-08 18:30:09,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:09,686 INFO L225 Difference]: With dead ends: 567 [2024-11-08 18:30:09,687 INFO L226 Difference]: Without dead ends: 351 [2024-11-08 18:30:09,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:30:09,690 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 620 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:09,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 1893 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 18:30:09,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-08 18:30:09,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 234. [2024-11-08 18:30:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 179 states have (on average 1.2681564245810055) internal successors, (227), 181 states have internal predecessors, (227), 44 states have call successors, (44), 10 states have call predecessors, (44), 10 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 18:30:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 315 transitions. [2024-11-08 18:30:09,739 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 315 transitions. Word has length 134 [2024-11-08 18:30:09,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:09,740 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 315 transitions. [2024-11-08 18:30:09,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.45) internal successors, (89), 22 states have internal predecessors, (89), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:09,740 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 315 transitions. [2024-11-08 18:30:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:30:09,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:09,742 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:09,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 18:30:09,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:09,943 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:09,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:09,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1325654996, now seen corresponding path program 1 times [2024-11-08 18:30:09,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:09,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607700204] [2024-11-08 18:30:09,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:09,945 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 [2024-11-08 18:30:09,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:09,951 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:09,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:10,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:30:10,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:11,036 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 42 treesize of output 26 [2024-11-08 18:30:11,057 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 [2024-11-08 18:30:11,097 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 17 treesize of output 9 [2024-11-08 18:30:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:30:11,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:11,657 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:30:11,658 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 30 treesize of output 25 [2024-11-08 18:30:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:30:11,861 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:11,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607700204] [2024-11-08 18:30:11,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607700204] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:30:11,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:30:11,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-08 18:30:11,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022339739] [2024-11-08 18:30:11,862 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:30:11,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:30:11,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:30:11,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:30:11,864 INFO L87 Difference]: Start difference. First operand 234 states and 315 transitions. Second operand has 24 states, 20 states have (on average 4.55) internal successors, (91), 22 states have internal predecessors, (91), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:13,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:13,806 INFO L93 Difference]: Finished difference Result 601 states and 794 transitions. [2024-11-08 18:30:13,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:30:13,806 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.55) internal successors, (91), 22 states have internal predecessors, (91), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 135 [2024-11-08 18:30:13,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:13,810 INFO L225 Difference]: With dead ends: 601 [2024-11-08 18:30:13,810 INFO L226 Difference]: Without dead ends: 391 [2024-11-08 18:30:13,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 247 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:30:13,812 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 1144 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:13,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1251 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 18:30:13,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-08 18:30:13,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 182. [2024-11-08 18:30:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 137 states have (on average 1.2408759124087592) internal successors, (170), 138 states have internal predecessors, (170), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:30:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 238 transitions. [2024-11-08 18:30:13,853 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 238 transitions. Word has length 135 [2024-11-08 18:30:13,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:13,854 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 238 transitions. [2024-11-08 18:30:13,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.55) internal successors, (91), 22 states have internal predecessors, (91), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 238 transitions. [2024-11-08 18:30:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:30:13,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:13,857 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:13,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:14,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:14,058 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:14,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:14,059 INFO L85 PathProgramCache]: Analyzing trace with hash -478407453, now seen corresponding path program 1 times [2024-11-08 18:30:14,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:14,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526010023] [2024-11-08 18:30:14,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:14,059 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 [2024-11-08 18:30:14,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:14,060 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:14,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:14,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:30:14,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:14,384 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 [2024-11-08 18:30:14,405 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 17 treesize of output 9 [2024-11-08 18:30:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:14,414 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:30:14,415 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:14,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526010023] [2024-11-08 18:30:14,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526010023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:30:14,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:30:14,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:30:14,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684035029] [2024-11-08 18:30:14,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:14,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:30:14,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:14,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:30:14,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:30:14,417 INFO L87 Difference]: Start difference. First operand 182 states and 238 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:14,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:14,599 INFO L93 Difference]: Finished difference Result 412 states and 545 transitions. [2024-11-08 18:30:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:30:14,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2024-11-08 18:30:14,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:14,603 INFO L225 Difference]: With dead ends: 412 [2024-11-08 18:30:14,603 INFO L226 Difference]: Without dead ends: 293 [2024-11-08 18:30:14,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:30:14,605 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 127 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:14,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 666 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:30:14,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-08 18:30:14,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 183. [2024-11-08 18:30:14,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 138 states have (on average 1.2391304347826086) internal successors, (171), 139 states have internal predecessors, (171), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:30:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 239 transitions. [2024-11-08 18:30:14,641 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 239 transitions. Word has length 135 [2024-11-08 18:30:14,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:14,641 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 239 transitions. [2024-11-08 18:30:14,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2024-11-08 18:30:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:30:14,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:14,644 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:14,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:14,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:14,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:14,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:14,845 INFO L85 PathProgramCache]: Analyzing trace with hash 2011121509, now seen corresponding path program 1 times [2024-11-08 18:30:14,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:14,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042589972] [2024-11-08 18:30:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:14,846 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 [2024-11-08 18:30:14,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:14,847 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:14,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:15,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:30:15,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:16,052 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 42 treesize of output 26 [2024-11-08 18:30:16,074 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 [2024-11-08 18:30:16,116 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 17 treesize of output 9 [2024-11-08 18:30:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 18:30:16,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:16,705 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:30:16,705 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 30 treesize of output 25 [2024-11-08 18:30:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:30:16,902 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:16,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042589972] [2024-11-08 18:30:16,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042589972] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:30:16,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:30:16,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-08 18:30:16,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715625905] [2024-11-08 18:30:16,903 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:30:16,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:30:16,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:16,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:30:16,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:30:16,905 INFO L87 Difference]: Start difference. First operand 183 states and 239 transitions. Second operand has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:19,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:19,314 INFO L93 Difference]: Finished difference Result 419 states and 551 transitions. [2024-11-08 18:30:19,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:30:19,315 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 135 [2024-11-08 18:30:19,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:19,317 INFO L225 Difference]: With dead ends: 419 [2024-11-08 18:30:19,317 INFO L226 Difference]: Without dead ends: 299 [2024-11-08 18:30:19,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:30:19,319 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 502 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1781 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:19,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1781 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 18:30:19,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-08 18:30:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 172. [2024-11-08 18:30:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 127 states have (on average 1.2125984251968505) internal successors, (154), 128 states have internal predecessors, (154), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:30:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 222 transitions. [2024-11-08 18:30:19,354 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 222 transitions. Word has length 135 [2024-11-08 18:30:19,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:19,354 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 222 transitions. [2024-11-08 18:30:19,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2024-11-08 18:30:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 18:30:19,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:19,357 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:19,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:19,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:19,558 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:19,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:19,558 INFO L85 PathProgramCache]: Analyzing trace with hash 735038782, now seen corresponding path program 1 times [2024-11-08 18:30:19,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:19,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842390331] [2024-11-08 18:30:19,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:19,559 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 [2024-11-08 18:30:19,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:19,560 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:19,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:19,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 18:30:19,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:19,927 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 [2024-11-08 18:30:19,946 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 37 treesize of output 25 [2024-11-08 18:30:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:19,972 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:30:19,972 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:19,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842390331] [2024-11-08 18:30:19,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842390331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:30:19,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:30:19,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:30:19,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364894240] [2024-11-08 18:30:19,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:19,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:30:19,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:19,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:30:19,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:30:19,974 INFO L87 Difference]: Start difference. First operand 172 states and 222 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:20,135 INFO L93 Difference]: Finished difference Result 393 states and 514 transitions. [2024-11-08 18:30:20,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:30:20,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 137 [2024-11-08 18:30:20,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:20,137 INFO L225 Difference]: With dead ends: 393 [2024-11-08 18:30:20,137 INFO L226 Difference]: Without dead ends: 284 [2024-11-08 18:30:20,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:30:20,139 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 130 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:20,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1063 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:30:20,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-08 18:30:20,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 178. [2024-11-08 18:30:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 134 states have internal predecessors, (161), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:30:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 229 transitions. [2024-11-08 18:30:20,174 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 229 transitions. Word has length 137 [2024-11-08 18:30:20,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:20,175 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 229 transitions. [2024-11-08 18:30:20,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:20,175 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 229 transitions. [2024-11-08 18:30:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:30:20,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:20,177 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:20,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 18:30:20,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:20,378 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:20,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:20,379 INFO L85 PathProgramCache]: Analyzing trace with hash -5133158, now seen corresponding path program 1 times [2024-11-08 18:30:20,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:20,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497069982] [2024-11-08 18:30:20,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:20,380 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 [2024-11-08 18:30:20,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:20,383 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:20,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:20,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:30:20,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:21,462 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 42 treesize of output 26 [2024-11-08 18:30:21,481 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 [2024-11-08 18:30:21,516 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 17 treesize of output 9 [2024-11-08 18:30:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:30:21,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:22,018 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:30:22,018 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 30 treesize of output 25 [2024-11-08 18:30:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:30:22,218 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:22,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497069982] [2024-11-08 18:30:22,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497069982] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:30:22,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:30:22,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-08 18:30:22,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392567889] [2024-11-08 18:30:22,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:30:22,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:30:22,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:22,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:30:22,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:30:22,221 INFO L87 Difference]: Start difference. First operand 178 states and 229 transitions. Second operand has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:24,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:24,033 INFO L93 Difference]: Finished difference Result 414 states and 537 transitions. [2024-11-08 18:30:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:30:24,033 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 138 [2024-11-08 18:30:24,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:24,036 INFO L225 Difference]: With dead ends: 414 [2024-11-08 18:30:24,036 INFO L226 Difference]: Without dead ends: 299 [2024-11-08 18:30:24,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:30:24,038 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 808 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:24,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 1002 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 18:30:24,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-08 18:30:24,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 186. [2024-11-08 18:30:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 141 states have (on average 1.2269503546099292) internal successors, (173), 142 states have internal predecessors, (173), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:30:24,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2024-11-08 18:30:24,080 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 138 [2024-11-08 18:30:24,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:24,080 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2024-11-08 18:30:24,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.65) internal successors, (93), 22 states have internal predecessors, (93), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:24,081 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2024-11-08 18:30:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:30:24,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:24,083 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:24,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 18:30:24,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:24,284 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:24,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:24,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1683810584, now seen corresponding path program 1 times [2024-11-08 18:30:24,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:24,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162904340] [2024-11-08 18:30:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:24,285 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 [2024-11-08 18:30:24,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:24,286 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:24,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:24,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:30:24,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:24,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:30:24,665 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:24,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162904340] [2024-11-08 18:30:24,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162904340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:30:24,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:30:24,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:30:24,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049048241] [2024-11-08 18:30:24,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:24,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:30:24,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:24,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:30:24,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:30:24,667 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:24,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:24,745 INFO L93 Difference]: Finished difference Result 314 states and 411 transitions. [2024-11-08 18:30:24,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:30:24,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-08 18:30:24,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:24,748 INFO L225 Difference]: With dead ends: 314 [2024-11-08 18:30:24,748 INFO L226 Difference]: Without dead ends: 191 [2024-11-08 18:30:24,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:30:24,751 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:24,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 504 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:30:24,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-08 18:30:24,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 190. [2024-11-08 18:30:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 145 states have (on average 1.2206896551724138) internal successors, (177), 146 states have internal predecessors, (177), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:30:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 245 transitions. [2024-11-08 18:30:24,791 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 245 transitions. Word has length 138 [2024-11-08 18:30:24,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:24,791 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 245 transitions. [2024-11-08 18:30:24,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:24,792 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 245 transitions. [2024-11-08 18:30:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:30:24,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:24,795 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:24,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:24,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:24,996 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:24,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:24,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1931098342, now seen corresponding path program 1 times [2024-11-08 18:30:24,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:24,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191748968] [2024-11-08 18:30:24,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:24,997 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 [2024-11-08 18:30:24,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:25,000 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:25,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:25,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:30:25,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:25,467 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:25,468 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:30:25,468 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:25,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191748968] [2024-11-08 18:30:25,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191748968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:30:25,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:30:25,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:30:25,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118636993] [2024-11-08 18:30:25,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:25,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:30:25,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:25,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:30:25,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:30:25,471 INFO L87 Difference]: Start difference. First operand 190 states and 245 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:25,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:25,567 INFO L93 Difference]: Finished difference Result 322 states and 419 transitions. [2024-11-08 18:30:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:30:25,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-08 18:30:25,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:25,571 INFO L225 Difference]: With dead ends: 322 [2024-11-08 18:30:25,571 INFO L226 Difference]: Without dead ends: 195 [2024-11-08 18:30:25,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:30:25,573 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:25,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 737 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:30:25,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-08 18:30:25,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 194. [2024-11-08 18:30:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 149 states have (on average 1.2147651006711409) internal successors, (181), 150 states have internal predecessors, (181), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:30:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 249 transitions. [2024-11-08 18:30:25,608 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 249 transitions. Word has length 138 [2024-11-08 18:30:25,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:25,609 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 249 transitions. [2024-11-08 18:30:25,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 249 transitions. [2024-11-08 18:30:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:30:25,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:25,611 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:25,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 18:30:25,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:25,812 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:25,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:25,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1929251300, now seen corresponding path program 1 times [2024-11-08 18:30:25,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:25,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146459683] [2024-11-08 18:30:25,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:25,813 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 [2024-11-08 18:30:25,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:25,814 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:25,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:26,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 18:30:26,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:26,877 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 37 treesize of output 25 [2024-11-08 18:30:26,880 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 14 treesize of output 10 [2024-11-08 18:30:27,237 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 16 [2024-11-08 18:30:27,244 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 30 treesize of output 18 [2024-11-08 18:30:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 31 proven. 309 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-08 18:30:29,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:29,893 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:29,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146459683] [2024-11-08 18:30:29,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146459683] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:30:29,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:30:29,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-08 18:30:29,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377120371] [2024-11-08 18:30:29,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:29,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:30:29,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:29,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:30:29,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:30:29,895 INFO L87 Difference]: Start difference. First operand 194 states and 249 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:30,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:30,320 INFO L93 Difference]: Finished difference Result 426 states and 548 transitions. [2024-11-08 18:30:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:30:30,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-08 18:30:30,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:30,323 INFO L225 Difference]: With dead ends: 426 [2024-11-08 18:30:30,323 INFO L226 Difference]: Without dead ends: 295 [2024-11-08 18:30:30,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:30:30,324 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 186 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:30,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 584 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:30:30,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-08 18:30:30,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 194. [2024-11-08 18:30:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 149 states have (on average 1.2080536912751678) internal successors, (180), 150 states have internal predecessors, (180), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 18:30:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 248 transitions. [2024-11-08 18:30:30,356 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 248 transitions. Word has length 138 [2024-11-08 18:30:30,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:30,356 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 248 transitions. [2024-11-08 18:30:30,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 248 transitions. [2024-11-08 18:30:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 18:30:30,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:30,358 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:30,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:30,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:30,559 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:30,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:30,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1604962659, now seen corresponding path program 1 times [2024-11-08 18:30:30,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:30,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37570838] [2024-11-08 18:30:30,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:30,561 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 [2024-11-08 18:30:30,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:30,565 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:30,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:30,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 18:30:31,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:31,361 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 28 treesize of output 24 [2024-11-08 18:30:31,447 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 75 [2024-11-08 18:30:31,450 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 [2024-11-08 18:30:31,457 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 [2024-11-08 18:30:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-08 18:30:31,499 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:31,628 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 39 treesize of output 31 [2024-11-08 18:30:31,731 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:31,731 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:31,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37570838] [2024-11-08 18:30:31,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37570838] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:30:31,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:30:31,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2024-11-08 18:30:31,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601858312] [2024-11-08 18:30:31,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:31,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:30:31,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:31,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:30:31,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:30:31,734 INFO L87 Difference]: Start difference. First operand 194 states and 248 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:32,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:32,000 INFO L93 Difference]: Finished difference Result 402 states and 517 transitions. [2024-11-08 18:30:32,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:30:32,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-08 18:30:32,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:32,004 INFO L225 Difference]: With dead ends: 402 [2024-11-08 18:30:32,004 INFO L226 Difference]: Without dead ends: 271 [2024-11-08 18:30:32,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:30:32,005 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 69 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:32,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 696 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:30:32,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-08 18:30:32,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 268. [2024-11-08 18:30:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 216 states have (on average 1.2222222222222223) internal successors, (264), 218 states have internal predecessors, (264), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:30:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 344 transitions. [2024-11-08 18:30:32,055 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 344 transitions. Word has length 139 [2024-11-08 18:30:32,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:32,055 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 344 transitions. [2024-11-08 18:30:32,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:32,056 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 344 transitions. [2024-11-08 18:30:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 18:30:32,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:32,058 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:32,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 18:30:32,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:32,259 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:32,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:32,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1110102023, now seen corresponding path program 1 times [2024-11-08 18:30:32,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:32,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125481932] [2024-11-08 18:30:32,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:32,261 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 [2024-11-08 18:30:32,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:32,262 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:32,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:32,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 18:30:32,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:33,495 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 37 treesize of output 25 [2024-11-08 18:30:33,499 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 14 treesize of output 10 [2024-11-08 18:30:33,811 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 25 treesize of output 17 [2024-11-08 18:30:33,818 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 31 treesize of output 19 [2024-11-08 18:30:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 31 proven. 309 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-08 18:30:35,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:36,573 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:36,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125481932] [2024-11-08 18:30:36,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125481932] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:30:36,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:30:36,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-08 18:30:36,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490031748] [2024-11-08 18:30:36,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:36,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:30:36,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:36,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:30:36,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:30:36,576 INFO L87 Difference]: Start difference. First operand 268 states and 344 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:36,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:36,998 INFO L93 Difference]: Finished difference Result 617 states and 795 transitions. [2024-11-08 18:30:36,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:30:36,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 139 [2024-11-08 18:30:37,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:37,002 INFO L225 Difference]: With dead ends: 617 [2024-11-08 18:30:37,002 INFO L226 Difference]: Without dead ends: 412 [2024-11-08 18:30:37,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:30:37,004 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 180 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:37,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 390 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:30:37,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-08 18:30:37,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 268. [2024-11-08 18:30:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 216 states have (on average 1.212962962962963) internal successors, (262), 218 states have internal predecessors, (262), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:30:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 342 transitions. [2024-11-08 18:30:37,062 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 342 transitions. Word has length 139 [2024-11-08 18:30:37,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:37,063 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 342 transitions. [2024-11-08 18:30:37,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 342 transitions. [2024-11-08 18:30:37,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:30:37,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:37,066 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:37,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:37,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:37,267 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:37,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1948230303, now seen corresponding path program 1 times [2024-11-08 18:30:37,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:37,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549909421] [2024-11-08 18:30:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:37,269 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 [2024-11-08 18:30:37,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:37,272 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:37,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:37,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 18:30:37,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:40,732 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 37 treesize of output 33 [2024-11-08 18:30:40,974 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 132 treesize of output 112 [2024-11-08 18:30:40,984 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 111 treesize of output 95 [2024-11-08 18:30:41,006 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 109 treesize of output 89 [2024-11-08 18:30:41,013 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 66 [2024-11-08 18:30:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 19 proven. 304 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-08 18:30:41,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:41,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:41,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549909421] [2024-11-08 18:30:41,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549909421] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:30:41,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:30:41,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [28] total 33 [2024-11-08 18:30:41,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943416200] [2024-11-08 18:30:41,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:41,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:30:41,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:41,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:30:41,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 18:30:41,662 INFO L87 Difference]: Start difference. First operand 268 states and 342 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:42,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:42,122 INFO L93 Difference]: Finished difference Result 570 states and 730 transitions. [2024-11-08 18:30:42,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:30:42,123 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-08 18:30:42,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:42,125 INFO L225 Difference]: With dead ends: 570 [2024-11-08 18:30:42,125 INFO L226 Difference]: Without dead ends: 365 [2024-11-08 18:30:42,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=115, Invalid=1217, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 18:30:42,127 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 48 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:42,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 883 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:30:42,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-08 18:30:42,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 278. [2024-11-08 18:30:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 226 states have (on average 1.2123893805309736) internal successors, (274), 228 states have internal predecessors, (274), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:30:42,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 354 transitions. [2024-11-08 18:30:42,182 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 354 transitions. Word has length 140 [2024-11-08 18:30:42,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:42,183 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 354 transitions. [2024-11-08 18:30:42,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 354 transitions. [2024-11-08 18:30:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:30:42,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:42,185 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:42,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:42,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:42,385 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:42,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:42,386 INFO L85 PathProgramCache]: Analyzing trace with hash 758389091, now seen corresponding path program 1 times [2024-11-08 18:30:42,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:42,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324592813] [2024-11-08 18:30:42,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:42,387 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 [2024-11-08 18:30:42,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:42,388 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:42,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (18)] Waiting until timeout for monitored process [2024-11-08 18:30:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:42,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:30:42,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:43,566 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 42 treesize of output 26 [2024-11-08 18:30:43,589 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 [2024-11-08 18:30:43,635 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 17 treesize of output 9 [2024-11-08 18:30:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:30:43,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:30:44,210 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:30:44,211 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 30 treesize of output 25 [2024-11-08 18:30:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:30:44,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:44,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324592813] [2024-11-08 18:30:44,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1324592813] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:30:44,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:30:44,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-08 18:30:44,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953299491] [2024-11-08 18:30:44,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:30:44,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:30:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:44,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:30:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:30:44,399 INFO L87 Difference]: Start difference. First operand 278 states and 354 transitions. Second operand has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:46,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:30:46,288 INFO L93 Difference]: Finished difference Result 670 states and 852 transitions. [2024-11-08 18:30:46,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:30:46,289 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 140 [2024-11-08 18:30:46,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:30:46,291 INFO L225 Difference]: With dead ends: 670 [2024-11-08 18:30:46,291 INFO L226 Difference]: Without dead ends: 455 [2024-11-08 18:30:46,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 257 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:30:46,294 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 953 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 954 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:30:46,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [954 Valid, 1100 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 18:30:46,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-08 18:30:46,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 286. [2024-11-08 18:30:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 234 states have (on average 1.205128205128205) internal successors, (282), 236 states have internal predecessors, (282), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:30:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 362 transitions. [2024-11-08 18:30:46,344 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 362 transitions. Word has length 140 [2024-11-08 18:30:46,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:30:46,345 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 362 transitions. [2024-11-08 18:30:46,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:30:46,345 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 362 transitions. [2024-11-08 18:30:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:30:46,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:30:46,347 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:30:46,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (18)] Forceful destruction successful, exit code 0 [2024-11-08 18:30:46,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:46,548 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:30:46,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:30:46,548 INFO L85 PathProgramCache]: Analyzing trace with hash -952102880, now seen corresponding path program 1 times [2024-11-08 18:30:46,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:30:46,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392797276] [2024-11-08 18:30:46,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:30:46,549 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 [2024-11-08 18:30:46,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:30:46,550 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:30:46,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:30:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:30:46,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:30:46,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:30:47,045 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 25 treesize of output 17 [2024-11-08 18:30:47,049 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 21 treesize of output 13 [2024-11-08 18:30:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:30:47,093 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:30:47,094 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:30:47,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1392797276] [2024-11-08 18:30:47,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1392797276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:30:47,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:30:47,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:30:47,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947613099] [2024-11-08 18:30:47,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:30:47,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:30:47,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:30:47,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:30:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:30:47,099 INFO L87 Difference]: Start difference. First operand 286 states and 362 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:30:54,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:30:56,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:31:00,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 18:31:00,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:00,404 INFO L93 Difference]: Finished difference Result 511 states and 647 transitions. [2024-11-08 18:31:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:31:00,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-08 18:31:00,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:00,408 INFO L225 Difference]: With dead ends: 511 [2024-11-08 18:31:00,408 INFO L226 Difference]: Without dead ends: 288 [2024-11-08 18:31:00,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=23, Invalid=48, Unknown=1, NotChecked=0, Total=72 [2024-11-08 18:31:00,409 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 182 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:00,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 500 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2024-11-08 18:31:00,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-08 18:31:00,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 286. [2024-11-08 18:31:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 234 states have (on average 1.2008547008547008) internal successors, (281), 236 states have internal predecessors, (281), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:31:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 361 transitions. [2024-11-08 18:31:00,462 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 361 transitions. Word has length 140 [2024-11-08 18:31:00,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:00,463 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 361 transitions. [2024-11-08 18:31:00,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 361 transitions. [2024-11-08 18:31:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:31:00,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:00,465 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:00,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:00,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:00,666 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:00,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:00,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1810617844, now seen corresponding path program 1 times [2024-11-08 18:31:00,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:00,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970915929] [2024-11-08 18:31:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:00,668 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 [2024-11-08 18:31:00,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:00,671 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:00,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:01,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:31:01,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:01,048 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 [2024-11-08 18:31:01,068 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 17 treesize of output 9 [2024-11-08 18:31:01,077 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:01,077 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:31:01,078 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:01,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970915929] [2024-11-08 18:31:01,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970915929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:01,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:01,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:31:01,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150246402] [2024-11-08 18:31:01,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:01,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:31:01,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:01,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:31:01,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:31:01,080 INFO L87 Difference]: Start difference. First operand 286 states and 361 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:01,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:01,247 INFO L93 Difference]: Finished difference Result 706 states and 894 transitions. [2024-11-08 18:31:01,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:31:01,248 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-08 18:31:01,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:01,250 INFO L225 Difference]: With dead ends: 706 [2024-11-08 18:31:01,250 INFO L226 Difference]: Without dead ends: 483 [2024-11-08 18:31:01,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:31:01,252 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 127 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:01,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 616 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:31:01,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-08 18:31:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 299. [2024-11-08 18:31:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 247 states have (on average 1.2105263157894737) internal successors, (299), 249 states have internal predecessors, (299), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:31:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 379 transitions. [2024-11-08 18:31:01,308 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 379 transitions. Word has length 140 [2024-11-08 18:31:01,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:01,309 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 379 transitions. [2024-11-08 18:31:01,309 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 379 transitions. [2024-11-08 18:31:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:31:01,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:01,311 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:01,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 18:31:01,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:01,511 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:01,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:01,512 INFO L85 PathProgramCache]: Analyzing trace with hash 473299724, now seen corresponding path program 1 times [2024-11-08 18:31:01,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:01,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351252194] [2024-11-08 18:31:01,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:01,513 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 [2024-11-08 18:31:01,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:01,514 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:01,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:01,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:31:01,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:01,872 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 [2024-11-08 18:31:01,898 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 17 treesize of output 9 [2024-11-08 18:31:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:01,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:31:01,907 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:01,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351252194] [2024-11-08 18:31:01,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351252194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:01,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:01,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:31:01,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607300706] [2024-11-08 18:31:01,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:01,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:31:01,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:01,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:31:01,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:31:01,908 INFO L87 Difference]: Start difference. First operand 299 states and 379 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:02,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:02,128 INFO L93 Difference]: Finished difference Result 707 states and 896 transitions. [2024-11-08 18:31:02,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:31:02,129 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-08 18:31:02,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:02,132 INFO L225 Difference]: With dead ends: 707 [2024-11-08 18:31:02,132 INFO L226 Difference]: Without dead ends: 471 [2024-11-08 18:31:02,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:31:02,133 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 121 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:02,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 652 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:31:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-08 18:31:02,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 287. [2024-11-08 18:31:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 235 states have (on average 1.2) internal successors, (282), 237 states have internal predecessors, (282), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:31:02,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 362 transitions. [2024-11-08 18:31:02,190 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 362 transitions. Word has length 140 [2024-11-08 18:31:02,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:02,191 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 362 transitions. [2024-11-08 18:31:02,191 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 362 transitions. [2024-11-08 18:31:02,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:31:02,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:02,192 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:02,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:02,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:02,393 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:02,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:02,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1974876362, now seen corresponding path program 1 times [2024-11-08 18:31:02,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:02,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413781880] [2024-11-08 18:31:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:02,395 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 [2024-11-08 18:31:02,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:02,399 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:02,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:02,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:31:02,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:03,616 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 42 treesize of output 26 [2024-11-08 18:31:03,644 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 [2024-11-08 18:31:03,677 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 17 treesize of output 9 [2024-11-08 18:31:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 18:31:03,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:04,192 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:31:04,192 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 30 treesize of output 25 [2024-11-08 18:31:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:31:04,361 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:04,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413781880] [2024-11-08 18:31:04,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413781880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:31:04,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:31:04,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-08 18:31:04,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326807095] [2024-11-08 18:31:04,362 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:31:04,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:31:04,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:04,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:31:04,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:31:04,364 INFO L87 Difference]: Start difference. First operand 287 states and 362 transitions. Second operand has 24 states, 20 states have (on average 4.85) internal successors, (97), 22 states have internal predecessors, (97), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:31:06,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:06,923 INFO L93 Difference]: Finished difference Result 693 states and 873 transitions. [2024-11-08 18:31:06,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:31:06,924 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.85) internal successors, (97), 22 states have internal predecessors, (97), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 140 [2024-11-08 18:31:06,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:06,926 INFO L225 Difference]: With dead ends: 693 [2024-11-08 18:31:06,926 INFO L226 Difference]: Without dead ends: 469 [2024-11-08 18:31:06,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:31:06,927 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 921 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:06,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1401 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [327 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 18:31:06,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-08 18:31:06,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 279. [2024-11-08 18:31:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.1894273127753303) internal successors, (270), 229 states have internal predecessors, (270), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:31:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 350 transitions. [2024-11-08 18:31:06,974 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 350 transitions. Word has length 140 [2024-11-08 18:31:06,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:06,974 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 350 transitions. [2024-11-08 18:31:06,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.85) internal successors, (97), 22 states have internal predecessors, (97), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:31:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 350 transitions. [2024-11-08 18:31:06,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 18:31:06,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:06,976 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:06,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 18:31:07,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:07,177 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:07,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:07,178 INFO L85 PathProgramCache]: Analyzing trace with hash -36173366, now seen corresponding path program 1 times [2024-11-08 18:31:07,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:07,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935599326] [2024-11-08 18:31:07,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:07,179 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 [2024-11-08 18:31:07,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:07,182 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:07,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:07,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:31:07,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:08,326 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 42 treesize of output 26 [2024-11-08 18:31:08,349 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 [2024-11-08 18:31:08,395 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 17 treesize of output 9 [2024-11-08 18:31:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 18:31:08,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:08,933 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:31:08,933 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 30 treesize of output 25 [2024-11-08 18:31:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:31:09,078 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:09,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935599326] [2024-11-08 18:31:09,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935599326] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:31:09,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:31:09,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-08 18:31:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555629934] [2024-11-08 18:31:09,078 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:31:09,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:31:09,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:09,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:31:09,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:31:09,080 INFO L87 Difference]: Start difference. First operand 279 states and 350 transitions. Second operand has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:31:11,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:11,648 INFO L93 Difference]: Finished difference Result 673 states and 845 transitions. [2024-11-08 18:31:11,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:31:11,649 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 140 [2024-11-08 18:31:11,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:11,651 INFO L225 Difference]: With dead ends: 673 [2024-11-08 18:31:11,652 INFO L226 Difference]: Without dead ends: 457 [2024-11-08 18:31:11,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:31:11,654 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 767 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:11,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 1732 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 18:31:11,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-08 18:31:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 246. [2024-11-08 18:31:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:31:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 308 transitions. [2024-11-08 18:31:11,713 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 308 transitions. Word has length 140 [2024-11-08 18:31:11,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:11,714 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 308 transitions. [2024-11-08 18:31:11,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:31:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 308 transitions. [2024-11-08 18:31:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 18:31:11,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:11,715 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:11,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:11,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:11,920 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:11,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:11,922 INFO L85 PathProgramCache]: Analyzing trace with hash 94052537, now seen corresponding path program 1 times [2024-11-08 18:31:11,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:11,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277562538] [2024-11-08 18:31:11,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:11,923 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 [2024-11-08 18:31:11,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:11,926 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:11,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (24)] Waiting until timeout for monitored process [2024-11-08 18:31:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:12,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:31:12,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:12,376 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 16 [2024-11-08 18:31:12,383 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 20 treesize of output 12 [2024-11-08 18:31:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:12,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:31:12,415 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:12,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277562538] [2024-11-08 18:31:12,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277562538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:12,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:12,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:31:12,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525086043] [2024-11-08 18:31:12,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:12,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:31:12,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:12,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:31:12,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:31:12,417 INFO L87 Difference]: Start difference. First operand 246 states and 308 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:12,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:12,896 INFO L93 Difference]: Finished difference Result 422 states and 527 transitions. [2024-11-08 18:31:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:31:12,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-08 18:31:12,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:12,898 INFO L225 Difference]: With dead ends: 422 [2024-11-08 18:31:12,898 INFO L226 Difference]: Without dead ends: 239 [2024-11-08 18:31:12,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:31:12,899 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 192 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:12,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 448 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:31:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-08 18:31:12,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2024-11-08 18:31:12,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 185 states have (on average 1.162162162162162) internal successors, (215), 187 states have internal predecessors, (215), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:31:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 295 transitions. [2024-11-08 18:31:12,956 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 295 transitions. Word has length 141 [2024-11-08 18:31:12,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:12,957 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 295 transitions. [2024-11-08 18:31:12,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:12,957 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 295 transitions. [2024-11-08 18:31:12,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 18:31:12,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:12,958 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:12,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (24)] Ended with exit code 0 [2024-11-08 18:31:13,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:13,159 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:13,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:13,159 INFO L85 PathProgramCache]: Analyzing trace with hash 427074940, now seen corresponding path program 1 times [2024-11-08 18:31:13,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:13,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881116434] [2024-11-08 18:31:13,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:13,160 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 [2024-11-08 18:31:13,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:13,161 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:13,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:13,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:31:13,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:13,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:31:13,547 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:13,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881116434] [2024-11-08 18:31:13,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881116434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:13,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:13,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:31:13,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655725673] [2024-11-08 18:31:13,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:13,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:31:13,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:13,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:31:13,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:31:13,550 INFO L87 Difference]: Start difference. First operand 237 states and 295 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:13,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:13,634 INFO L93 Difference]: Finished difference Result 415 states and 517 transitions. [2024-11-08 18:31:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:31:13,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 142 [2024-11-08 18:31:13,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:13,638 INFO L225 Difference]: With dead ends: 415 [2024-11-08 18:31:13,638 INFO L226 Difference]: Without dead ends: 241 [2024-11-08 18:31:13,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:31:13,641 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:13,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 630 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:31:13,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-08 18:31:13,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-08 18:31:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 189 states have (on average 1.1587301587301588) internal successors, (219), 191 states have internal predecessors, (219), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 18:31:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 299 transitions. [2024-11-08 18:31:13,691 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 299 transitions. Word has length 142 [2024-11-08 18:31:13,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:13,692 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 299 transitions. [2024-11-08 18:31:13,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 299 transitions. [2024-11-08 18:31:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:31:13,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:13,693 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:13,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:13,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:13,894 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:13,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:13,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1494434903, now seen corresponding path program 1 times [2024-11-08 18:31:13,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:13,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951323169] [2024-11-08 18:31:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:13,895 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 [2024-11-08 18:31:13,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:13,897 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:13,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:14,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:31:14,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:14,292 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 17 treesize of output 13 [2024-11-08 18:31:14,495 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 45 [2024-11-08 18:31:14,498 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 54 treesize of output 34 [2024-11-08 18:31:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:14,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:31:14,520 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:14,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951323169] [2024-11-08 18:31:14,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951323169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:14,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:14,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:31:14,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246622632] [2024-11-08 18:31:14,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:14,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:31:14,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:14,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:31:14,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:31:14,522 INFO L87 Difference]: Start difference. First operand 241 states and 299 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:14,945 INFO L93 Difference]: Finished difference Result 462 states and 564 transitions. [2024-11-08 18:31:14,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:31:14,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-08 18:31:14,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:14,948 INFO L225 Difference]: With dead ends: 462 [2024-11-08 18:31:14,948 INFO L226 Difference]: Without dead ends: 284 [2024-11-08 18:31:14,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:31:14,949 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 175 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:14,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 780 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:31:14,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-08 18:31:15,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 224. [2024-11-08 18:31:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 176 states have (on average 1.1420454545454546) internal successors, (201), 178 states have internal predecessors, (201), 38 states have call successors, (38), 9 states have call predecessors, (38), 9 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 18:31:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 277 transitions. [2024-11-08 18:31:15,010 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 277 transitions. Word has length 143 [2024-11-08 18:31:15,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:15,011 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 277 transitions. [2024-11-08 18:31:15,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:15,011 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 277 transitions. [2024-11-08 18:31:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:31:15,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:15,012 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:15,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 18:31:15,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:15,213 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:15,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:15,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1023677989, now seen corresponding path program 1 times [2024-11-08 18:31:15,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:15,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237931707] [2024-11-08 18:31:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:15,214 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 [2024-11-08 18:31:15,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:15,217 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:15,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:15,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 18:31:15,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:16,348 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 18 treesize of output 14 [2024-11-08 18:31:16,681 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 72 treesize of output 52 [2024-11-08 18:31:16,685 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 42 treesize of output 30 [2024-11-08 18:31:16,748 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 31 proven. 309 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-08 18:31:16,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:17,027 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:17,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237931707] [2024-11-08 18:31:17,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237931707] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:31:17,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:31:17,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2024-11-08 18:31:17,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631236171] [2024-11-08 18:31:17,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:17,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:31:17,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:17,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:31:17,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:31:17,030 INFO L87 Difference]: Start difference. First operand 224 states and 277 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:17,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:17,254 INFO L93 Difference]: Finished difference Result 240 states and 292 transitions. [2024-11-08 18:31:17,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:31:17,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-08 18:31:17,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:17,256 INFO L225 Difference]: With dead ends: 240 [2024-11-08 18:31:17,256 INFO L226 Difference]: Without dead ends: 238 [2024-11-08 18:31:17,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-08 18:31:17,257 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 68 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:17,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 650 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:31:17,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-08 18:31:17,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 230. [2024-11-08 18:31:17,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 183 states have (on average 1.1366120218579234) internal successors, (208), 185 states have internal predecessors, (208), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 18:31:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 280 transitions. [2024-11-08 18:31:17,322 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 280 transitions. Word has length 143 [2024-11-08 18:31:17,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:17,323 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 280 transitions. [2024-11-08 18:31:17,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:17,323 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 280 transitions. [2024-11-08 18:31:17,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:31:17,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:17,324 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:17,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 18:31:17,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:17,525 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:17,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:17,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1025525031, now seen corresponding path program 1 times [2024-11-08 18:31:17,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:17,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750117082] [2024-11-08 18:31:17,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:17,526 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 [2024-11-08 18:31:17,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:17,529 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:17,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:17,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:31:17,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:18,016 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 45 treesize of output 21 [2024-11-08 18:31:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:18,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:31:18,045 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:18,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750117082] [2024-11-08 18:31:18,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750117082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:18,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:18,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:31:18,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397400804] [2024-11-08 18:31:18,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:18,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:31:18,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:18,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:31:18,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:31:18,047 INFO L87 Difference]: Start difference. First operand 230 states and 280 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:18,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:18,569 INFO L93 Difference]: Finished difference Result 621 states and 747 transitions. [2024-11-08 18:31:18,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:31:18,570 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-08 18:31:18,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:18,572 INFO L225 Difference]: With dead ends: 621 [2024-11-08 18:31:18,572 INFO L226 Difference]: Without dead ends: 421 [2024-11-08 18:31:18,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:31:18,573 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 105 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:18,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 406 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:31:18,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-08 18:31:18,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2024-11-08 18:31:18,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 235 states have (on average 1.1404255319148937) internal successors, (268), 237 states have internal predecessors, (268), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 18:31:18,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 340 transitions. [2024-11-08 18:31:18,643 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 340 transitions. Word has length 143 [2024-11-08 18:31:18,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:18,643 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 340 transitions. [2024-11-08 18:31:18,644 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 340 transitions. [2024-11-08 18:31:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:31:18,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:18,645 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:18,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:18,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:18,846 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:18,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:18,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1535499344, now seen corresponding path program 1 times [2024-11-08 18:31:18,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:18,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474965946] [2024-11-08 18:31:18,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:18,847 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 [2024-11-08 18:31:18,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:18,851 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:18,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:19,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 18:31:19,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:20,315 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 15 treesize of output 1 [2024-11-08 18:31:20,633 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 125 treesize of output 89 [2024-11-08 18:31:20,636 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 65 [2024-11-08 18:31:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:31:20,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:20,954 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:20,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474965946] [2024-11-08 18:31:20,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474965946] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:31:20,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:31:20,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2024-11-08 18:31:20,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36022928] [2024-11-08 18:31:20,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:20,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:31:20,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:20,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:31:20,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 18:31:20,956 INFO L87 Difference]: Start difference. First operand 282 states and 340 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:21,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:21,326 INFO L93 Difference]: Finished difference Result 665 states and 793 transitions. [2024-11-08 18:31:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:31:21,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-08 18:31:21,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:21,329 INFO L225 Difference]: With dead ends: 665 [2024-11-08 18:31:21,329 INFO L226 Difference]: Without dead ends: 413 [2024-11-08 18:31:21,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:31:21,330 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 136 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:21,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 642 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:31:21,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-08 18:31:21,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 410. [2024-11-08 18:31:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 330 states have (on average 1.1181818181818182) internal successors, (369), 334 states have internal predecessors, (369), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 18:31:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 489 transitions. [2024-11-08 18:31:21,449 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 489 transitions. Word has length 143 [2024-11-08 18:31:21,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:21,449 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 489 transitions. [2024-11-08 18:31:21,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 489 transitions. [2024-11-08 18:31:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:31:21,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:21,451 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:21,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 18:31:21,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:21,651 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:21,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:21,652 INFO L85 PathProgramCache]: Analyzing trace with hash 919566388, now seen corresponding path program 1 times [2024-11-08 18:31:21,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:21,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694629926] [2024-11-08 18:31:21,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:21,653 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 [2024-11-08 18:31:21,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:21,654 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:21,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:22,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 18:31:22,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:22,844 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 [2024-11-08 18:31:23,049 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 17 treesize of output 9 [2024-11-08 18:31:23,100 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 42 treesize of output 26 [2024-11-08 18:31:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:31:23,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:23,752 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:23,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694629926] [2024-11-08 18:31:23,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694629926] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:31:23,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:31:23,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2024-11-08 18:31:23,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171606884] [2024-11-08 18:31:23,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:23,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:31:23,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:23,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:31:23,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:31:23,754 INFO L87 Difference]: Start difference. First operand 410 states and 489 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:24,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:24,326 INFO L93 Difference]: Finished difference Result 807 states and 956 transitions. [2024-11-08 18:31:24,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:31:24,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-11-08 18:31:24,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:24,329 INFO L225 Difference]: With dead ends: 807 [2024-11-08 18:31:24,329 INFO L226 Difference]: Without dead ends: 427 [2024-11-08 18:31:24,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2024-11-08 18:31:24,331 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 86 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:24,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 868 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:31:24,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-08 18:31:24,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 418. [2024-11-08 18:31:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 338 states have (on average 1.1153846153846154) internal successors, (377), 342 states have internal predecessors, (377), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 18:31:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 497 transitions. [2024-11-08 18:31:24,455 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 497 transitions. Word has length 143 [2024-11-08 18:31:24,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:24,455 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 497 transitions. [2024-11-08 18:31:24,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:24,455 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 497 transitions. [2024-11-08 18:31:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:31:24,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:24,456 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:24,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:24,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:24,657 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:24,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:24,657 INFO L85 PathProgramCache]: Analyzing trace with hash 332760374, now seen corresponding path program 1 times [2024-11-08 18:31:24,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:24,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418598571] [2024-11-08 18:31:24,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:24,658 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 [2024-11-08 18:31:24,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:24,659 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:24,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:25,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 18:31:25,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:25,830 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 42 treesize of output 26 [2024-11-08 18:31:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 18:31:25,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:26,260 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:31:26,260 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 30 treesize of output 25 [2024-11-08 18:31:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:31:26,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:26,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418598571] [2024-11-08 18:31:26,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418598571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:31:26,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:31:26,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2024-11-08 18:31:26,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312626574] [2024-11-08 18:31:26,410 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:31:26,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-08 18:31:26,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:26,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-08 18:31:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:31:26,412 INFO L87 Difference]: Start difference. First operand 418 states and 497 transitions. Second operand has 20 states, 16 states have (on average 6.875) internal successors, (110), 18 states have internal predecessors, (110), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:31:27,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:27,478 INFO L93 Difference]: Finished difference Result 795 states and 940 transitions. [2024-11-08 18:31:27,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 18:31:27,479 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 6.875) internal successors, (110), 18 states have internal predecessors, (110), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 143 [2024-11-08 18:31:27,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:27,481 INFO L225 Difference]: With dead ends: 795 [2024-11-08 18:31:27,481 INFO L226 Difference]: Without dead ends: 407 [2024-11-08 18:31:27,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=613, Unknown=0, NotChecked=0, Total=870 [2024-11-08 18:31:27,483 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 418 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:27,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 842 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 18:31:27,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-08 18:31:27,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2024-11-08 18:31:27,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 323 states have (on average 1.0990712074303406) internal successors, (355), 327 states have internal predecessors, (355), 60 states have call successors, (60), 19 states have call predecessors, (60), 19 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 18:31:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 475 transitions. [2024-11-08 18:31:27,591 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 475 transitions. Word has length 143 [2024-11-08 18:31:27,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:27,592 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 475 transitions. [2024-11-08 18:31:27,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 6.875) internal successors, (110), 18 states have internal predecessors, (110), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:31:27,592 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 475 transitions. [2024-11-08 18:31:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:31:27,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:27,593 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:27,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 18:31:27,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:27,794 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:27,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:27,794 INFO L85 PathProgramCache]: Analyzing trace with hash -921463074, now seen corresponding path program 1 times [2024-11-08 18:31:27,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:27,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631753291] [2024-11-08 18:31:27,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:27,795 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 [2024-11-08 18:31:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:27,796 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:27,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:28,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 18:31:28,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:29,389 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 88 treesize of output 52 [2024-11-08 18:31:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:31:29,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:29,597 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:29,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631753291] [2024-11-08 18:31:29,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631753291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:31:29,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070397533] [2024-11-08 18:31:29,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:29,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:31:29,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:31:29,599 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:31:29,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-08 18:31:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:29,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:31:29,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:31,054 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 88 treesize of output 52 [2024-11-08 18:31:31,078 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 15 treesize of output 1 [2024-11-08 18:31:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:31:31,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:31,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070397533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:31:31,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:31:31,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2024-11-08 18:31:31,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987979752] [2024-11-08 18:31:31,435 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:31:31,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:31:31,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:31,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:31:31,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:31:31,436 INFO L87 Difference]: Start difference. First operand 403 states and 475 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:31:33,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:33,047 INFO L93 Difference]: Finished difference Result 964 states and 1123 transitions. [2024-11-08 18:31:33,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:31:33,048 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-08 18:31:33,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:33,050 INFO L225 Difference]: With dead ends: 964 [2024-11-08 18:31:33,050 INFO L226 Difference]: Without dead ends: 591 [2024-11-08 18:31:33,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 341 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-11-08 18:31:33,052 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 209 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:33,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 654 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 18:31:33,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-08 18:31:33,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 413. [2024-11-08 18:31:33,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 331 states have (on average 1.0996978851963746) internal successors, (364), 335 states have internal predecessors, (364), 61 states have call successors, (61), 20 states have call predecessors, (61), 20 states have return successors, (61), 57 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-08 18:31:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 486 transitions. [2024-11-08 18:31:33,177 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 486 transitions. Word has length 143 [2024-11-08 18:31:33,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:33,178 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 486 transitions. [2024-11-08 18:31:33,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:31:33,178 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 486 transitions. [2024-11-08 18:31:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 18:31:33,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:33,185 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:33,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:33,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-08 18:31:33,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:31:33,586 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:33,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:33,587 INFO L85 PathProgramCache]: Analyzing trace with hash -673316580, now seen corresponding path program 1 times [2024-11-08 18:31:33,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:33,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109388554] [2024-11-08 18:31:33,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:33,588 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 [2024-11-08 18:31:33,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:33,589 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:33,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:33,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:31:33,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:31:33,986 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:31:33,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:33,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109388554] [2024-11-08 18:31:33,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109388554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:33,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:33,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:31:33,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916709409] [2024-11-08 18:31:33,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:33,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:31:33,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:33,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:31:33,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:31:33,989 INFO L87 Difference]: Start difference. First operand 413 states and 486 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:31:34,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:34,147 INFO L93 Difference]: Finished difference Result 796 states and 932 transitions. [2024-11-08 18:31:34,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:31:34,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-08 18:31:34,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:34,150 INFO L225 Difference]: With dead ends: 796 [2024-11-08 18:31:34,150 INFO L226 Difference]: Without dead ends: 413 [2024-11-08 18:31:34,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:31:34,152 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:34,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:31:34,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-08 18:31:34,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-08 18:31:34,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 331 states have (on average 1.096676737160121) internal successors, (363), 335 states have internal predecessors, (363), 61 states have call successors, (61), 20 states have call predecessors, (61), 20 states have return successors, (61), 57 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-08 18:31:34,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 485 transitions. [2024-11-08 18:31:34,294 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 485 transitions. Word has length 143 [2024-11-08 18:31:34,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:34,294 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 485 transitions. [2024-11-08 18:31:34,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:31:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 485 transitions. [2024-11-08 18:31:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 18:31:34,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:34,296 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:34,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:34,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:34,497 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:34,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:34,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1467418263, now seen corresponding path program 1 times [2024-11-08 18:31:34,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:34,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295987967] [2024-11-08 18:31:34,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:34,498 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 [2024-11-08 18:31:34,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:34,499 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:34,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (35)] Waiting until timeout for monitored process [2024-11-08 18:31:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:34,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 18:31:34,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:35,951 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 20 [2024-11-08 18:31:35,960 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 14 treesize of output 10 [2024-11-08 18:31:36,087 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 [2024-11-08 18:31:36,094 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 17 treesize of output 9 [2024-11-08 18:31:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 7 proven. 309 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-08 18:31:36,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:36,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:31:36,489 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 29 treesize of output 32 [2024-11-08 18:31:36,676 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:36,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295987967] [2024-11-08 18:31:36,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295987967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:31:36,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495234470] [2024-11-08 18:31:36,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:36,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:31:36,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:31:36,679 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:31:36,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-08 18:31:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:37,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 18:31:37,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:37,387 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 14 [2024-11-08 18:31:37,392 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 14 treesize of output 10 [2024-11-08 18:31:37,536 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 17 treesize of output 9 [2024-11-08 18:31:37,654 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 32 treesize of output 20 [2024-11-08 18:31:37,711 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:37,712 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:31:37,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495234470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:37,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:31:37,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-08 18:31:37,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066121225] [2024-11-08 18:31:37,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:37,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:31:37,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:37,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:31:37,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-08 18:31:37,714 INFO L87 Difference]: Start difference. First operand 413 states and 485 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:38,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:38,880 INFO L93 Difference]: Finished difference Result 1295 states and 1505 transitions. [2024-11-08 18:31:38,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:31:38,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-11-08 18:31:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:38,884 INFO L225 Difference]: With dead ends: 1295 [2024-11-08 18:31:38,884 INFO L226 Difference]: Without dead ends: 912 [2024-11-08 18:31:38,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:31:38,885 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 312 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:38,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 994 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 18:31:38,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-11-08 18:31:39,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 679. [2024-11-08 18:31:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 548 states have (on average 1.104014598540146) internal successors, (605), 553 states have internal predecessors, (605), 95 states have call successors, (95), 35 states have call predecessors, (95), 35 states have return successors, (95), 90 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-08 18:31:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 795 transitions. [2024-11-08 18:31:39,135 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 795 transitions. Word has length 144 [2024-11-08 18:31:39,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:39,135 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 795 transitions. [2024-11-08 18:31:39,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:39,136 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 795 transitions. [2024-11-08 18:31:39,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:31:39,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:39,137 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:39,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (35)] Ended with exit code 0 [2024-11-08 18:31:39,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-08 18:31:39,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:31:39,538 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:39,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:39,539 INFO L85 PathProgramCache]: Analyzing trace with hash -198994673, now seen corresponding path program 1 times [2024-11-08 18:31:39,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:39,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132399150] [2024-11-08 18:31:39,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:39,540 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 [2024-11-08 18:31:39,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:39,541 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:39,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (37)] Waiting until timeout for monitored process [2024-11-08 18:31:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:39,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 18:31:39,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:40,403 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 18 treesize of output 14 [2024-11-08 18:31:40,464 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 23 treesize of output 15 [2024-11-08 18:31:40,546 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 17 treesize of output 13 [2024-11-08 18:31:40,746 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 58 [2024-11-08 18:31:40,752 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 42 treesize of output 30 [2024-11-08 18:31:40,852 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 8 proven. 312 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-08 18:31:40,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:41,098 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:41,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132399150] [2024-11-08 18:31:41,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132399150] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:31:41,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:31:41,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 20 [2024-11-08 18:31:41,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986808756] [2024-11-08 18:31:41,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:41,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:31:41,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:41,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:31:41,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:31:41,100 INFO L87 Difference]: Start difference. First operand 679 states and 795 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:41,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:41,568 INFO L93 Difference]: Finished difference Result 1485 states and 1737 transitions. [2024-11-08 18:31:41,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 18:31:41,569 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-08 18:31:41,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:41,571 INFO L225 Difference]: With dead ends: 1485 [2024-11-08 18:31:41,572 INFO L226 Difference]: Without dead ends: 836 [2024-11-08 18:31:41,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-11-08 18:31:41,573 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 64 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:41,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1223 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:31:41,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-08 18:31:41,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 719. [2024-11-08 18:31:41,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 588 states have (on average 1.1071428571428572) internal successors, (651), 593 states have internal predecessors, (651), 95 states have call successors, (95), 35 states have call predecessors, (95), 35 states have return successors, (95), 90 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-08 18:31:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 841 transitions. [2024-11-08 18:31:41,733 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 841 transitions. Word has length 145 [2024-11-08 18:31:41,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:41,734 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 841 transitions. [2024-11-08 18:31:41,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 841 transitions. [2024-11-08 18:31:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:31:41,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:41,735 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:41,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (37)] Forceful destruction successful, exit code 0 [2024-11-08 18:31:41,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:41,936 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:41,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:41,936 INFO L85 PathProgramCache]: Analyzing trace with hash 735088696, now seen corresponding path program 1 times [2024-11-08 18:31:41,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:41,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365480567] [2024-11-08 18:31:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:41,937 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 [2024-11-08 18:31:41,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:41,938 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:41,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (38)] Waiting until timeout for monitored process [2024-11-08 18:31:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:42,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 18:31:42,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:43,844 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 15 treesize of output 1 [2024-11-08 18:31:46,687 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 198 treesize of output 126 [2024-11-08 18:31:46,705 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 112 treesize of output 64 [2024-11-08 18:31:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:31:46,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:47,282 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:47,282 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:47,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365480567] [2024-11-08 18:31:47,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365480567] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:31:47,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:31:47,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 17 [2024-11-08 18:31:47,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890790076] [2024-11-08 18:31:47,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:47,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:31:47,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:47,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:31:47,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:31:47,287 INFO L87 Difference]: Start difference. First operand 719 states and 841 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:48,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:48,109 INFO L93 Difference]: Finished difference Result 1740 states and 2030 transitions. [2024-11-08 18:31:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:31:48,110 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-08 18:31:48,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:48,114 INFO L225 Difference]: With dead ends: 1740 [2024-11-08 18:31:48,115 INFO L226 Difference]: Without dead ends: 1051 [2024-11-08 18:31:48,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 249 SyntacticMatches, 24 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2024-11-08 18:31:48,116 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 101 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:48,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 1030 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:31:48,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-08 18:31:48,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 858. [2024-11-08 18:31:48,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 727 states have (on average 1.125171939477304) internal successors, (818), 732 states have internal predecessors, (818), 95 states have call successors, (95), 35 states have call predecessors, (95), 35 states have return successors, (95), 90 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-08 18:31:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1008 transitions. [2024-11-08 18:31:48,352 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1008 transitions. Word has length 145 [2024-11-08 18:31:48,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:48,353 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1008 transitions. [2024-11-08 18:31:48,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1008 transitions. [2024-11-08 18:31:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:31:48,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:48,355 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:48,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (38)] Ended with exit code 0 [2024-11-08 18:31:48,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:48,556 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:48,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:48,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1104812868, now seen corresponding path program 1 times [2024-11-08 18:31:48,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:48,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060310397] [2024-11-08 18:31:48,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:48,558 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 [2024-11-08 18:31:48,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:48,561 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:48,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (39)] Waiting until timeout for monitored process [2024-11-08 18:31:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:48,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 18:31:48,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:48,999 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 [2024-11-08 18:31:49,042 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 17 treesize of output 9 [2024-11-08 18:31:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:31:49,093 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:31:49,093 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:49,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060310397] [2024-11-08 18:31:49,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060310397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:49,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:49,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:31:49,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527708551] [2024-11-08 18:31:49,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:49,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:31:49,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:49,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:31:49,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:31:49,095 INFO L87 Difference]: Start difference. First operand 858 states and 1008 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:49,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:49,601 INFO L93 Difference]: Finished difference Result 1969 states and 2299 transitions. [2024-11-08 18:31:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 18:31:49,601 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-08 18:31:49,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:49,604 INFO L225 Difference]: With dead ends: 1969 [2024-11-08 18:31:49,604 INFO L226 Difference]: Without dead ends: 1141 [2024-11-08 18:31:49,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-08 18:31:49,606 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 118 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:49,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 1090 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:31:49,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-08 18:31:49,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 991. [2024-11-08 18:31:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 825 states have (on average 1.1151515151515152) internal successors, (920), 832 states have internal predecessors, (920), 120 states have call successors, (120), 45 states have call predecessors, (120), 45 states have return successors, (120), 113 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-08 18:31:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1160 transitions. [2024-11-08 18:31:49,825 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1160 transitions. Word has length 145 [2024-11-08 18:31:49,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:49,825 INFO L471 AbstractCegarLoop]: Abstraction has 991 states and 1160 transitions. [2024-11-08 18:31:49,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:31:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1160 transitions. [2024-11-08 18:31:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:31:49,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:49,827 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:49,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (39)] Forceful destruction successful, exit code 0 [2024-11-08 18:31:50,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:50,029 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:50,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:50,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1691618882, now seen corresponding path program 1 times [2024-11-08 18:31:50,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:50,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030107548] [2024-11-08 18:31:50,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:50,031 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 [2024-11-08 18:31:50,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:50,034 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:50,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (40)] Waiting until timeout for monitored process [2024-11-08 18:31:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:50,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 18:31:50,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:51,308 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 [2024-11-08 18:31:51,488 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 17 treesize of output 9 [2024-11-08 18:31:51,538 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 42 treesize of output 26 [2024-11-08 18:31:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 18:31:51,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:52,653 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:31:52,653 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 30 treesize of output 25 [2024-11-08 18:31:52,829 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:31:52,829 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:52,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030107548] [2024-11-08 18:31:52,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030107548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:31:52,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:31:52,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2024-11-08 18:31:52,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196184872] [2024-11-08 18:31:52,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:31:52,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-08 18:31:52,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:52,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-08 18:31:52,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=773, Unknown=0, NotChecked=0, Total=930 [2024-11-08 18:31:52,832 INFO L87 Difference]: Start difference. First operand 991 states and 1160 transitions. Second operand has 31 states, 27 states have (on average 4.333333333333333) internal successors, (117), 29 states have internal predecessors, (117), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:31:56,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:31:56,135 INFO L93 Difference]: Finished difference Result 2032 states and 2374 transitions. [2024-11-08 18:31:56,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 18:31:56,136 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 27 states have (on average 4.333333333333333) internal successors, (117), 29 states have internal predecessors, (117), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 145 [2024-11-08 18:31:56,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:31:56,139 INFO L225 Difference]: With dead ends: 2032 [2024-11-08 18:31:56,139 INFO L226 Difference]: Without dead ends: 1071 [2024-11-08 18:31:56,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=466, Invalid=1886, Unknown=0, NotChecked=0, Total=2352 [2024-11-08 18:31:56,141 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 374 mSDsluCounter, 2647 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 2841 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:31:56,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 2841 Invalid, 1760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 18:31:56,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-11-08 18:31:56,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 997. [2024-11-08 18:31:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 831 states have (on average 1.1143200962695547) internal successors, (926), 838 states have internal predecessors, (926), 120 states have call successors, (120), 45 states have call predecessors, (120), 45 states have return successors, (120), 113 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-08 18:31:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1166 transitions. [2024-11-08 18:31:56,482 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1166 transitions. Word has length 145 [2024-11-08 18:31:56,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:31:56,483 INFO L471 AbstractCegarLoop]: Abstraction has 997 states and 1166 transitions. [2024-11-08 18:31:56,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 27 states have (on average 4.333333333333333) internal successors, (117), 29 states have internal predecessors, (117), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:31:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1166 transitions. [2024-11-08 18:31:56,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:31:56,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:31:56,485 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:56,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (40)] Ended with exit code 0 [2024-11-08 18:31:56,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:31:56,686 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:31:56,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:56,686 INFO L85 PathProgramCache]: Analyzing trace with hash 629130053, now seen corresponding path program 1 times [2024-11-08 18:31:56,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:31:56,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969512522] [2024-11-08 18:31:56,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:56,687 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 [2024-11-08 18:31:56,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:31:56,688 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:31:56,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (41)] Waiting until timeout for monitored process [2024-11-08 18:31:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:57,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 18:31:57,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:31:57,894 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 [2024-11-08 18:31:58,085 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 17 treesize of output 9 [2024-11-08 18:31:58,135 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 42 treesize of output 26 [2024-11-08 18:31:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:31:58,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:31:59,245 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:31:59,246 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 30 treesize of output 25 [2024-11-08 18:31:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:31:59,449 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:31:59,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969512522] [2024-11-08 18:31:59,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969512522] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:31:59,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:31:59,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2024-11-08 18:31:59,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462952037] [2024-11-08 18:31:59,450 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:31:59,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-08 18:31:59,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:31:59,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-08 18:31:59,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=773, Unknown=0, NotChecked=0, Total=930 [2024-11-08 18:31:59,453 INFO L87 Difference]: Start difference. First operand 997 states and 1166 transitions. Second operand has 31 states, 27 states have (on average 4.2592592592592595) internal successors, (115), 29 states have internal predecessors, (115), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:32:01,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:32:01,990 INFO L93 Difference]: Finished difference Result 2038 states and 2373 transitions. [2024-11-08 18:32:01,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 18:32:01,990 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 27 states have (on average 4.2592592592592595) internal successors, (115), 29 states have internal predecessors, (115), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 145 [2024-11-08 18:32:01,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:32:01,994 INFO L225 Difference]: With dead ends: 2038 [2024-11-08 18:32:01,994 INFO L226 Difference]: Without dead ends: 1071 [2024-11-08 18:32:01,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=466, Invalid=1886, Unknown=0, NotChecked=0, Total=2352 [2024-11-08 18:32:01,995 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 274 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 2444 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:32:01,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 2444 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 18:32:01,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-11-08 18:32:02,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 979. [2024-11-08 18:32:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 813 states have (on average 1.1119311193111932) internal successors, (904), 820 states have internal predecessors, (904), 120 states have call successors, (120), 45 states have call predecessors, (120), 45 states have return successors, (120), 113 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-08 18:32:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1144 transitions. [2024-11-08 18:32:02,204 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1144 transitions. Word has length 145 [2024-11-08 18:32:02,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:32:02,204 INFO L471 AbstractCegarLoop]: Abstraction has 979 states and 1144 transitions. [2024-11-08 18:32:02,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 27 states have (on average 4.2592592592592595) internal successors, (115), 29 states have internal predecessors, (115), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:32:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1144 transitions. [2024-11-08 18:32:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:32:02,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:32:02,206 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:32:02,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (41)] Forceful destruction successful, exit code 0 [2024-11-08 18:32:02,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:32:02,407 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:32:02,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:32:02,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1436688570, now seen corresponding path program 1 times [2024-11-08 18:32:02,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:32:02,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849542047] [2024-11-08 18:32:02,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:32:02,408 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 [2024-11-08 18:32:02,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:32:02,411 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:32:02,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (42)] Waiting until timeout for monitored process [2024-11-08 18:32:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:32:02,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:32:02,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:32:03,095 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 90 treesize of output 42 [2024-11-08 18:32:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:32:03,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:32:03,126 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:32:03,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849542047] [2024-11-08 18:32:03,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849542047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:32:03,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:32:03,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:32:03,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941725909] [2024-11-08 18:32:03,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:32:03,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:32:03,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:32:03,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:32:03,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:32:03,129 INFO L87 Difference]: Start difference. First operand 979 states and 1144 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:32:03,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:32:03,887 INFO L93 Difference]: Finished difference Result 1996 states and 2323 transitions. [2024-11-08 18:32:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:32:03,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-11-08 18:32:03,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:32:03,892 INFO L225 Difference]: With dead ends: 1996 [2024-11-08 18:32:03,892 INFO L226 Difference]: Without dead ends: 1047 [2024-11-08 18:32:03,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:32:03,894 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 105 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:32:03,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 995 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:32:03,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2024-11-08 18:32:04,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 858. [2024-11-08 18:32:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 725 states have (on average 1.12) internal successors, (812), 730 states have internal predecessors, (812), 96 states have call successors, (96), 36 states have call predecessors, (96), 36 states have return successors, (96), 91 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-08 18:32:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1004 transitions. [2024-11-08 18:32:04,088 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1004 transitions. Word has length 145 [2024-11-08 18:32:04,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:32:04,089 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1004 transitions. [2024-11-08 18:32:04,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:32:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1004 transitions. [2024-11-08 18:32:04,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:32:04,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:32:04,091 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:32:04,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (42)] Ended with exit code 0 [2024-11-08 18:32:04,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:32:04,292 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:32:04,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:32:04,292 INFO L85 PathProgramCache]: Analyzing trace with hash 849882556, now seen corresponding path program 1 times [2024-11-08 18:32:04,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:32:04,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993854204] [2024-11-08 18:32:04,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:32:04,293 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 [2024-11-08 18:32:04,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:32:04,297 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:32:04,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (43)] Waiting until timeout for monitored process [2024-11-08 18:32:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:32:04,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 18:32:04,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:32:06,040 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 50 [2024-11-08 18:32:06,057 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 15 treesize of output 1 [2024-11-08 18:32:06,110 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 53 [2024-11-08 18:32:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:32:06,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:32:06,314 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:32:06,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993854204] [2024-11-08 18:32:06,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993854204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:32:06,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080422815] [2024-11-08 18:32:06,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:32:06,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:32:06,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:32:06,316 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:32:06,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-08 18:32:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:32:06,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 18:32:06,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:32:08,619 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 50 [2024-11-08 18:32:08,638 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 15 treesize of output 1 [2024-11-08 18:32:08,762 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 137 treesize of output 65 [2024-11-08 18:32:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:32:08,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:32:09,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080422815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:32:09,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:32:09,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 21 [2024-11-08 18:32:09,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173299817] [2024-11-08 18:32:09,001 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:32:09,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 18:32:09,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:32:09,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 18:32:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2024-11-08 18:32:09,002 INFO L87 Difference]: Start difference. First operand 858 states and 1004 transitions. Second operand has 22 states, 20 states have (on average 3.9) internal successors, (78), 19 states have internal predecessors, (78), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:32:15,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:32:15,390 INFO L93 Difference]: Finished difference Result 3085 states and 3577 transitions. [2024-11-08 18:32:15,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-08 18:32:15,391 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 3.9) internal successors, (78), 19 states have internal predecessors, (78), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 145 [2024-11-08 18:32:15,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:32:15,398 INFO L225 Difference]: With dead ends: 3085 [2024-11-08 18:32:15,399 INFO L226 Difference]: Without dead ends: 2257 [2024-11-08 18:32:15,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 333 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=651, Invalid=3131, Unknown=0, NotChecked=0, Total=3782 [2024-11-08 18:32:15,402 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 611 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:32:15,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 1570 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 18:32:15,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2024-11-08 18:32:15,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 1055. [2024-11-08 18:32:15,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 893 states have (on average 1.122060470324748) internal successors, (1002), 899 states have internal predecessors, (1002), 115 states have call successors, (115), 46 states have call predecessors, (115), 46 states have return successors, (115), 109 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-08 18:32:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1232 transitions. [2024-11-08 18:32:15,686 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1232 transitions. Word has length 145 [2024-11-08 18:32:15,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:32:15,686 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1232 transitions. [2024-11-08 18:32:15,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 3.9) internal successors, (78), 19 states have internal predecessors, (78), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-08 18:32:15,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1232 transitions. [2024-11-08 18:32:15,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 18:32:15,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:32:15,689 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:32:15,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (43)] Ended with exit code 0 [2024-11-08 18:32:15,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-08 18:32:16,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:32:16,093 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:32:16,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:32:16,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1273529278, now seen corresponding path program 1 times [2024-11-08 18:32:16,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:32:16,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212785189] [2024-11-08 18:32:16,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:32:16,094 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 [2024-11-08 18:32:16,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:32:16,095 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:32:16,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (45)] Waiting until timeout for monitored process [2024-11-08 18:32:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:32:16,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:32:16,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:32:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 18:32:16,544 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:32:16,545 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:32:16,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212785189] [2024-11-08 18:32:16,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1212785189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:32:16,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:32:16,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:32:16,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283630150] [2024-11-08 18:32:16,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:32:16,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:32:16,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:32:16,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:32:16,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:32:16,547 INFO L87 Difference]: Start difference. First operand 1055 states and 1232 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:32:16,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:32:16,958 INFO L93 Difference]: Finished difference Result 1695 states and 1967 transitions. [2024-11-08 18:32:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:32:16,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 145 [2024-11-08 18:32:16,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:32:16,964 INFO L225 Difference]: With dead ends: 1695 [2024-11-08 18:32:16,964 INFO L226 Difference]: Without dead ends: 652 [2024-11-08 18:32:16,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:32:16,967 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:32:16,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 512 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:32:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-11-08 18:32:17,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 516. [2024-11-08 18:32:17,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 439 states have (on average 1.1138952164009113) internal successors, (489), 441 states have internal predecessors, (489), 55 states have call successors, (55), 21 states have call predecessors, (55), 21 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-08 18:32:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 599 transitions. [2024-11-08 18:32:17,147 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 599 transitions. Word has length 145 [2024-11-08 18:32:17,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:32:17,147 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 599 transitions. [2024-11-08 18:32:17,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:32:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 599 transitions. [2024-11-08 18:32:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 18:32:17,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:32:17,149 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:32:17,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (45)] Ended with exit code 0 [2024-11-08 18:32:17,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:32:17,350 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:32:17,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:32:17,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1081863280, now seen corresponding path program 1 times [2024-11-08 18:32:17,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:32:17,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843864416] [2024-11-08 18:32:17,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:32:17,351 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 [2024-11-08 18:32:17,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:32:17,353 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:32:17,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (46)] Waiting until timeout for monitored process [2024-11-08 18:32:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:32:17,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 18:32:17,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:32:18,438 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 19 [2024-11-08 18:32:18,441 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 32 treesize of output 20 [2024-11-08 18:32:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 10 proven. 294 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-08 18:32:18,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:32:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:32:19,290 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:32:19,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843864416] [2024-11-08 18:32:19,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843864416] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:32:19,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:32:19,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-08 18:32:19,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599509203] [2024-11-08 18:32:19,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:32:19,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:32:19,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:32:19,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:32:19,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-08 18:32:19,293 INFO L87 Difference]: Start difference. First operand 516 states and 599 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:32:19,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:32:19,646 INFO L93 Difference]: Finished difference Result 1170 states and 1347 transitions. [2024-11-08 18:32:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:32:19,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-11-08 18:32:19,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:32:19,649 INFO L225 Difference]: With dead ends: 1170 [2024-11-08 18:32:19,649 INFO L226 Difference]: Without dead ends: 684 [2024-11-08 18:32:19,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:32:19,650 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 88 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:32:19,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 418 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:32:19,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-08 18:32:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 672. [2024-11-08 18:32:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 580 states have (on average 1.1) internal successors, (638), 584 states have internal predecessors, (638), 67 states have call successors, (67), 24 states have call predecessors, (67), 24 states have return successors, (67), 63 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-08 18:32:19,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 772 transitions. [2024-11-08 18:32:19,788 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 772 transitions. Word has length 147 [2024-11-08 18:32:19,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:32:19,788 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 772 transitions. [2024-11-08 18:32:19,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:32:19,789 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 772 transitions. [2024-11-08 18:32:19,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 18:32:19,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:32:19,790 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:32:19,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (46)] Forceful destruction successful, exit code 0 [2024-11-08 18:32:19,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:32:19,991 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:32:19,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:32:19,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1038934682, now seen corresponding path program 1 times [2024-11-08 18:32:19,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:32:19,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052172324] [2024-11-08 18:32:19,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:32:19,992 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 [2024-11-08 18:32:19,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:32:19,996 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:32:20,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (47)] Waiting until timeout for monitored process [2024-11-08 18:32:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:32:20,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 18:32:20,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:32:21,309 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 42 treesize of output 26 [2024-11-08 18:32:21,338 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 [2024-11-08 18:32:21,377 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 17 treesize of output 9 [2024-11-08 18:32:21,406 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 39 proven. 217 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 18:32:21,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:32:21,943 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 18:32:21,944 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 30 treesize of output 25 [2024-11-08 18:32:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 18:32:22,120 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:32:22,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052172324] [2024-11-08 18:32:22,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052172324] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:32:22,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:32:22,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2024-11-08 18:32:22,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403293557] [2024-11-08 18:32:22,121 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 18:32:22,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 18:32:22,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:32:22,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 18:32:22,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-08 18:32:22,123 INFO L87 Difference]: Start difference. First operand 672 states and 772 transitions. Second operand has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:32:24,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:32:24,336 INFO L93 Difference]: Finished difference Result 1537 states and 1754 transitions. [2024-11-08 18:32:24,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-08 18:32:24,336 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 148 [2024-11-08 18:32:24,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:32:24,339 INFO L225 Difference]: With dead ends: 1537 [2024-11-08 18:32:24,339 INFO L226 Difference]: Without dead ends: 899 [2024-11-08 18:32:24,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:32:24,341 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 992 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:32:24,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 944 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 18:32:24,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2024-11-08 18:32:24,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 652. [2024-11-08 18:32:24,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 550 states have (on average 1.0872727272727272) internal successors, (598), 555 states have internal predecessors, (598), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 70 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-08 18:32:24,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 748 transitions. [2024-11-08 18:32:24,486 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 748 transitions. Word has length 148 [2024-11-08 18:32:24,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:32:24,487 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 748 transitions. [2024-11-08 18:32:24,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 5.05) internal successors, (101), 22 states have internal predecessors, (101), 7 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-11-08 18:32:24,487 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 748 transitions. [2024-11-08 18:32:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 18:32:24,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:32:24,489 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:32:24,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (47)] Ended with exit code 0 [2024-11-08 18:32:24,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:32:24,690 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:32:24,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:32:24,690 INFO L85 PathProgramCache]: Analyzing trace with hash 364239401, now seen corresponding path program 1 times [2024-11-08 18:32:24,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:32:24,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480655151] [2024-11-08 18:32:24,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:32:24,691 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 [2024-11-08 18:32:24,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:32:24,694 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 18:32:24,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (48)] Waiting until timeout for monitored process [2024-11-08 18:32:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:32:25,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:32:25,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:32:25,198 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 [2024-11-08 18:32:25,215 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 17 treesize of output 9 [2024-11-08 18:32:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:32:25,225 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:32:25,225 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:32:25,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480655151] [2024-11-08 18:32:25,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1480655151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:32:25,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:32:25,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:32:25,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635882230] [2024-11-08 18:32:25,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:32:25,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:32:25,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:32:25,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:32:25,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:32:25,227 INFO L87 Difference]: Start difference. First operand 652 states and 748 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:32:25,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:32:25,605 INFO L93 Difference]: Finished difference Result 1403 states and 1597 transitions. [2024-11-08 18:32:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:32:25,606 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-11-08 18:32:25,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:32:25,608 INFO L225 Difference]: With dead ends: 1403 [2024-11-08 18:32:25,608 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 18:32:25,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:32:25,610 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 117 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:32:25,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 566 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:32:25,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 18:32:25,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 18:32:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:32:25,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 18:32:25,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2024-11-08 18:32:25,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:32:25,613 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:32:25,613 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:32:25,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 18:32:25,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 18:32:25,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:32:25,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 (48)] Forceful destruction successful, exit code 0 [2024-11-08 18:32:25,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ce82ce-c01e-4188-9170-894dae76fbfb/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 18:32:25,820 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:32:25,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 18:32:56,223 WARN L286 SmtUtils]: Spent 30.39s on a formula simplification. DAG size of input: 325 DAG size of output: 316 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:34:17,066 WARN L286 SmtUtils]: Spent 1.35m on a formula simplification. DAG size of input: 270 DAG size of output: 305 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:34:36,317 WARN L286 SmtUtils]: Spent 19.25s on a formula simplification. DAG size of input: 288 DAG size of output: 294 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:35:04,822 WARN L286 SmtUtils]: Spent 28.50s on a formula simplification. DAG size of input: 325 DAG size of output: 316 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:35:49,312 WARN L286 SmtUtils]: Spent 44.49s on a formula simplification. DAG size of input: 259 DAG size of output: 255 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:36:18,637 WARN L286 SmtUtils]: Spent 29.32s on a formula simplification. DAG size of input: 325 DAG size of output: 316 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:36:31,250 WARN L286 SmtUtils]: Spent 12.61s on a formula simplification. DAG size of input: 250 DAG size of output: 233 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:36:47,494 WARN L286 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 244 DAG size of output: 194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:37:23,700 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification. DAG size of input: 244 DAG size of output: 194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:38:09,321 WARN L286 SmtUtils]: Spent 9.50s on a formula simplification. DAG size of input: 240 DAG size of output: 183 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:38:38,892 WARN L286 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 243 DAG size of output: 206 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:38:50,361 WARN L286 SmtUtils]: Spent 11.47s on a formula simplification. DAG size of input: 243 DAG size of output: 206 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:39:06,537 WARN L286 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 228 DAG size of output: 180 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:40:36,263 WARN L286 SmtUtils]: Spent 24.09s on a formula simplification. DAG size of input: 255 DAG size of output: 229 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:41:13,763 WARN L286 SmtUtils]: Spent 22.17s on a formula simplification. DAG size of input: 256 DAG size of output: 194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:41:34,129 WARN L286 SmtUtils]: Spent 10.73s on a formula simplification. DAG size of input: 239 DAG size of output: 211 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:42:04,212 WARN L286 SmtUtils]: Spent 26.52s on a formula simplification. DAG size of input: 278 DAG size of output: 322 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:42:59,674 WARN L286 SmtUtils]: Spent 55.46s on a formula simplification. DAG size of input: 359 DAG size of output: 323 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:43:14,234 WARN L286 SmtUtils]: Spent 14.56s on a formula simplification. DAG size of input: 230 DAG size of output: 241 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)