./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af611b85592e3bfdb76cb3d02db14972ec0514184947c9ed0792744d9af89e7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:26:01,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:26:01,853 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:26:01,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:26:01,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:26:01,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:26:01,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:26:01,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:26:01,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:26:01,903 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:26:01,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:26:01,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:26:01,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:26:01,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:26:01,905 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:26:01,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:26:01,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:26:01,906 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:26:01,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:26:01,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:26:01,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:26:01,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:26:01,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:26:01,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:26:01,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:26:01,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:26:01,907 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:26:01,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:26:01,907 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:26:01,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:26:01,908 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:26:01,908 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:26:01,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:26:01,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:26:01,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:26:01,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:26:01,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:26:01,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:26:01,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:26:01,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:26:01,909 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:26:01,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:26:01,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:26:01,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:26:01,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:26:01,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:26:01,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:26:01,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:26:01,910 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af611b85592e3bfdb76cb3d02db14972ec0514184947c9ed0792744d9af89e7a [2024-11-24 01:26:02,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:26:02,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:26:02,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:26:02,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:26:02,199 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:26:02,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i [2024-11-24 01:26:05,088 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data/1b7486ce0/d6b1ffc919674ed6920c03c8dd476226/FLAG3847b95c2 [2024-11-24 01:26:05,372 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:26:05,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i [2024-11-24 01:26:05,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data/1b7486ce0/d6b1ffc919674ed6920c03c8dd476226/FLAG3847b95c2 [2024-11-24 01:26:05,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data/1b7486ce0/d6b1ffc919674ed6920c03c8dd476226 [2024-11-24 01:26:05,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:26:05,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:26:05,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:26:05,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:26:05,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:26:05,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b40e423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05, skipping insertion in model container [2024-11-24 01:26:05,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:26:05,580 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_be52a9ec-3805-40f9-9e05-1225f1eec28c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i[916,929] [2024-11-24 01:26:05,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:26:05,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:26:05,692 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_be52a9ec-3805-40f9-9e05-1225f1eec28c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i[916,929] [2024-11-24 01:26:05,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:26:05,792 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:26:05,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05 WrapperNode [2024-11-24 01:26:05,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:26:05,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:26:05,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:26:05,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:26:05,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,863 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 500 [2024-11-24 01:26:05,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:26:05,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:26:05,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:26:05,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:26:05,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,920 INFO L175 MemorySlicer]: Split 127 memory accesses to 6 slices as follows [2, 16, 51, 25, 10, 23]. 40 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 2, 5, 2, 1, 2]. The 16 writes are split as follows [0, 2, 6, 4, 1, 3]. [2024-11-24 01:26:05,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,967 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:05,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:26:06,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:26:06,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:26:06,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:26:06,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (1/1) ... [2024-11-24 01:26:06,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:26:06,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:26:06,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:26:06,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:26:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:26:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:26:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 01:26:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 01:26:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-24 01:26:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-24 01:26:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-24 01:26:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-24 01:26:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-24 01:26:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-24 01:26:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:26:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:26:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:26:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:26:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:26:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:26:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:26:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:26:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:26:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:26:06,219 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:26:06,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:26:06,781 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-24 01:26:06,781 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:26:06,797 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:26:06,800 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:26:06,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:26:06 BoogieIcfgContainer [2024-11-24 01:26:06,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:26:06,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:26:06,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:26:06,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:26:06,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:26:05" (1/3) ... [2024-11-24 01:26:06,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52548260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:26:06, skipping insertion in model container [2024-11-24 01:26:06,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:26:05" (2/3) ... [2024-11-24 01:26:06,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52548260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:26:06, skipping insertion in model container [2024-11-24 01:26:06,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:26:06" (3/3) ... [2024-11-24 01:26:06,826 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-15.i [2024-11-24 01:26:06,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:26:06,843 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-15.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:26:06,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:26:06,920 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;@110316b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:26:06,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:26:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:26:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:26:06,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:06,935 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:06,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:06,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:06,940 INFO L85 PathProgramCache]: Analyzing trace with hash 31279224, now seen corresponding path program 1 times [2024-11-24 01:26:06,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:06,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10816655] [2024-11-24 01:26:06,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:06,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-24 01:26:07,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:07,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10816655] [2024-11-24 01:26:07,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10816655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:26:07,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338183058] [2024-11-24 01:26:07,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:07,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:26:07,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:26:07,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:26:07,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:26:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:07,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:26:07,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:26:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-24 01:26:07,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:26:07,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338183058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:07,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:26:07,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:26:07,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473183353] [2024-11-24 01:26:07,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:07,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:26:07,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:07,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:26:07,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:26:07,642 INFO L87 Difference]: Start difference. First operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:07,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:07,669 INFO L93 Difference]: Finished difference Result 219 states and 338 transitions. [2024-11-24 01:26:07,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:26:07,671 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-11-24 01:26:07,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:07,681 INFO L225 Difference]: With dead ends: 219 [2024-11-24 01:26:07,682 INFO L226 Difference]: Without dead ends: 109 [2024-11-24 01:26:07,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:26:07,688 INFO L435 NwaCegarLoop]: 157 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, 157 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 [2024-11-24 01:26:07,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:26:07,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-24 01:26:07,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-24 01:26:07,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:26:07,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-11-24 01:26:07,729 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 115 [2024-11-24 01:26:07,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:07,729 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-11-24 01:26:07,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-11-24 01:26:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:26:07,733 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:07,734 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:07,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:26:07,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:26:07,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:07,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:07,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1829017178, now seen corresponding path program 1 times [2024-11-24 01:26:07,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:07,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479430171] [2024-11-24 01:26:07,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:07,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:08,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:08,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479430171] [2024-11-24 01:26:08,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479430171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:08,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:08,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:26:08,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114003730] [2024-11-24 01:26:08,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:08,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:26:08,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:08,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:26:08,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:26:08,319 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:08,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:08,376 INFO L93 Difference]: Finished difference Result 217 states and 314 transitions. [2024-11-24 01:26:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:26:08,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-11-24 01:26:08,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:08,379 INFO L225 Difference]: With dead ends: 217 [2024-11-24 01:26:08,381 INFO L226 Difference]: Without dead ends: 111 [2024-11-24 01:26:08,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:26:08,383 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 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 [2024-11-24 01:26:08,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:26:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-24 01:26:08,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-24 01:26:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:26:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2024-11-24 01:26:08,407 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 115 [2024-11-24 01:26:08,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:08,409 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2024-11-24 01:26:08,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:08,409 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2024-11-24 01:26:08,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:26:08,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:08,415 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:08,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:26:08,415 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:08,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:08,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1512009960, now seen corresponding path program 1 times [2024-11-24 01:26:08,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:08,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183471736] [2024-11-24 01:26:08,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:08,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:08,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:08,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183471736] [2024-11-24 01:26:08,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183471736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:08,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:08,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:26:08,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315088509] [2024-11-24 01:26:08,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:08,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:26:08,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:08,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:26:08,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:26:08,652 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:08,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:08,676 INFO L93 Difference]: Finished difference Result 220 states and 317 transitions. [2024-11-24 01:26:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:26:08,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 01:26:08,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:08,678 INFO L225 Difference]: With dead ends: 220 [2024-11-24 01:26:08,678 INFO L226 Difference]: Without dead ends: 112 [2024-11-24 01:26:08,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:26:08,680 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:08,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:26:08,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-24 01:26:08,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-24 01:26:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:26:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2024-11-24 01:26:08,694 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 115 [2024-11-24 01:26:08,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:08,695 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2024-11-24 01:26:08,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2024-11-24 01:26:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:26:08,696 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:08,696 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:08,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:26:08,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:08,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:08,701 INFO L85 PathProgramCache]: Analyzing trace with hash -176933782, now seen corresponding path program 1 times [2024-11-24 01:26:08,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:08,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401138458] [2024-11-24 01:26:08,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:08,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:08,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:08,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401138458] [2024-11-24 01:26:08,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401138458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:08,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:08,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:26:08,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631310469] [2024-11-24 01:26:08,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:08,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:26:08,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:08,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:26:08,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:26:08,879 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:08,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:08,908 INFO L93 Difference]: Finished difference Result 222 states and 319 transitions. [2024-11-24 01:26:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:26:08,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 01:26:08,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:08,913 INFO L225 Difference]: With dead ends: 222 [2024-11-24 01:26:08,914 INFO L226 Difference]: Without dead ends: 113 [2024-11-24 01:26:08,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:26:08,915 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:08,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:26:08,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-24 01:26:08,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-24 01:26:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 99 states have internal predecessors, (137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:26:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 161 transitions. [2024-11-24 01:26:08,932 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 161 transitions. Word has length 115 [2024-11-24 01:26:08,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:08,933 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 161 transitions. [2024-11-24 01:26:08,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2024-11-24 01:26:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:26:08,935 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:08,935 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:08,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:26:08,935 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:08,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:08,936 INFO L85 PathProgramCache]: Analyzing trace with hash 81231656, now seen corresponding path program 1 times [2024-11-24 01:26:08,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:08,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20390354] [2024-11-24 01:26:08,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:08,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:09,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:09,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20390354] [2024-11-24 01:26:09,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20390354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:09,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:09,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:26:09,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695571767] [2024-11-24 01:26:09,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:09,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:26:09,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:09,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:26:09,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:26:09,467 INFO L87 Difference]: Start difference. First operand 113 states and 161 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:09,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:09,783 INFO L93 Difference]: Finished difference Result 443 states and 635 transitions. [2024-11-24 01:26:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:26:09,784 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 01:26:09,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:09,786 INFO L225 Difference]: With dead ends: 443 [2024-11-24 01:26:09,787 INFO L226 Difference]: Without dead ends: 333 [2024-11-24 01:26:09,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:26:09,788 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 372 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:09,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 779 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:26:09,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-24 01:26:09,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 218. [2024-11-24 01:26:09,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 191 states have (on average 1.387434554973822) internal successors, (265), 191 states have internal predecessors, (265), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:26:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 313 transitions. [2024-11-24 01:26:09,836 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 313 transitions. Word has length 115 [2024-11-24 01:26:09,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:09,836 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 313 transitions. [2024-11-24 01:26:09,836 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 313 transitions. [2024-11-24 01:26:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 01:26:09,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:09,841 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:09,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:26:09,841 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:09,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:09,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2143462140, now seen corresponding path program 1 times [2024-11-24 01:26:09,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:09,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595916020] [2024-11-24 01:26:09,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:09,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:10,130 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:10,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:10,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595916020] [2024-11-24 01:26:10,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595916020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:10,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:10,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:26:10,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258873432] [2024-11-24 01:26:10,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:10,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:26:10,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:10,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:26:10,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:26:10,134 INFO L87 Difference]: Start difference. First operand 218 states and 313 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:10,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:10,208 INFO L93 Difference]: Finished difference Result 437 states and 627 transitions. [2024-11-24 01:26:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:26:10,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-11-24 01:26:10,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:10,213 INFO L225 Difference]: With dead ends: 437 [2024-11-24 01:26:10,214 INFO L226 Difference]: Without dead ends: 222 [2024-11-24 01:26:10,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:26:10,215 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 106 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:10,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 516 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:26:10,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-24 01:26:10,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 217. [2024-11-24 01:26:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 190 states have (on average 1.3842105263157896) internal successors, (263), 190 states have internal predecessors, (263), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:26:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 311 transitions. [2024-11-24 01:26:10,246 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 311 transitions. Word has length 117 [2024-11-24 01:26:10,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:10,247 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 311 transitions. [2024-11-24 01:26:10,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 311 transitions. [2024-11-24 01:26:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 01:26:10,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:10,249 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:10,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:26:10,250 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:10,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:10,250 INFO L85 PathProgramCache]: Analyzing trace with hash 635553891, now seen corresponding path program 1 times [2024-11-24 01:26:10,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:10,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703704346] [2024-11-24 01:26:10,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:10,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:11,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:11,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703704346] [2024-11-24 01:26:11,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703704346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:11,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:11,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:26:11,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217113056] [2024-11-24 01:26:11,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:11,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:26:11,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:11,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:26:11,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:26:11,123 INFO L87 Difference]: Start difference. First operand 217 states and 311 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:11,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:11,360 INFO L93 Difference]: Finished difference Result 498 states and 713 transitions. [2024-11-24 01:26:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:26:11,361 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-11-24 01:26:11,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:11,364 INFO L225 Difference]: With dead ends: 498 [2024-11-24 01:26:11,366 INFO L226 Difference]: Without dead ends: 388 [2024-11-24 01:26:11,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:26:11,367 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 114 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:11,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 1618 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:26:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-24 01:26:11,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 384. [2024-11-24 01:26:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 339 states have (on average 1.3893805309734513) internal successors, (471), 341 states have internal predecessors, (471), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-24 01:26:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 551 transitions. [2024-11-24 01:26:11,411 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 551 transitions. Word has length 117 [2024-11-24 01:26:11,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:11,412 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 551 transitions. [2024-11-24 01:26:11,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:11,412 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 551 transitions. [2024-11-24 01:26:11,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 01:26:11,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:11,415 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:11,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:26:11,415 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:11,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:11,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1552103804, now seen corresponding path program 1 times [2024-11-24 01:26:11,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:11,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288534782] [2024-11-24 01:26:11,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:11,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:11,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:11,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288534782] [2024-11-24 01:26:11,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288534782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:11,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:11,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:26:11,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965404283] [2024-11-24 01:26:11,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:11,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:26:11,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:11,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:26:11,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:11,981 INFO L87 Difference]: Start difference. First operand 384 states and 551 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:12,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:12,221 INFO L93 Difference]: Finished difference Result 985 states and 1415 transitions. [2024-11-24 01:26:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:26:12,222 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 01:26:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:12,230 INFO L225 Difference]: With dead ends: 985 [2024-11-24 01:26:12,230 INFO L226 Difference]: Without dead ends: 604 [2024-11-24 01:26:12,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:26:12,232 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 146 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:12,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1343 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:26:12,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-24 01:26:12,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 602. [2024-11-24 01:26:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 531 states have (on average 1.3860640301318268) internal successors, (736), 533 states have internal predecessors, (736), 64 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 864 transitions. [2024-11-24 01:26:12,304 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 864 transitions. Word has length 118 [2024-11-24 01:26:12,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:12,305 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 864 transitions. [2024-11-24 01:26:12,305 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 864 transitions. [2024-11-24 01:26:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 01:26:12,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:12,307 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:12,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:26:12,307 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:12,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:12,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1309316045, now seen corresponding path program 1 times [2024-11-24 01:26:12,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:12,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308879389] [2024-11-24 01:26:12,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:12,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:12,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:12,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308879389] [2024-11-24 01:26:12,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308879389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:12,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:12,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:26:12,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054059404] [2024-11-24 01:26:12,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:12,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:26:12,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:12,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:26:12,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:26:12,955 INFO L87 Difference]: Start difference. First operand 602 states and 864 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:13,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:13,148 INFO L93 Difference]: Finished difference Result 1540 states and 2191 transitions. [2024-11-24 01:26:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:26:13,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-24 01:26:13,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:13,155 INFO L225 Difference]: With dead ends: 1540 [2024-11-24 01:26:13,156 INFO L226 Difference]: Without dead ends: 941 [2024-11-24 01:26:13,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:13,159 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 71 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:13,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 830 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:26:13,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2024-11-24 01:26:13,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 930. [2024-11-24 01:26:13,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 841 states have (on average 1.3816884661117717) internal successors, (1162), 849 states have internal predecessors, (1162), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-24 01:26:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1314 transitions. [2024-11-24 01:26:13,258 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1314 transitions. Word has length 118 [2024-11-24 01:26:13,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:13,259 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1314 transitions. [2024-11-24 01:26:13,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1314 transitions. [2024-11-24 01:26:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 01:26:13,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:13,266 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:13,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:26:13,266 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:13,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:13,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1732196226, now seen corresponding path program 1 times [2024-11-24 01:26:13,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:13,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031482971] [2024-11-24 01:26:13,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:13,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:13,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:13,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031482971] [2024-11-24 01:26:13,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031482971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:13,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:13,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:26:13,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592552664] [2024-11-24 01:26:13,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:13,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:26:13,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:13,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:26:13,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:26:13,800 INFO L87 Difference]: Start difference. First operand 930 states and 1314 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:13,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:13,989 INFO L93 Difference]: Finished difference Result 1431 states and 2003 transitions. [2024-11-24 01:26:13,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:26:13,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-24 01:26:13,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:13,995 INFO L225 Difference]: With dead ends: 1431 [2024-11-24 01:26:13,995 INFO L226 Difference]: Without dead ends: 958 [2024-11-24 01:26:13,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:13,997 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 79 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:13,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 911 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:26:14,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-24 01:26:14,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 704. [2024-11-24 01:26:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 627 states have (on average 1.3779904306220097) internal successors, (864), 629 states have internal predecessors, (864), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 992 transitions. [2024-11-24 01:26:14,064 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 992 transitions. Word has length 118 [2024-11-24 01:26:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:14,065 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 992 transitions. [2024-11-24 01:26:14,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 992 transitions. [2024-11-24 01:26:14,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 01:26:14,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:14,068 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:14,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:26:14,069 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:14,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:14,070 INFO L85 PathProgramCache]: Analyzing trace with hash -364021403, now seen corresponding path program 1 times [2024-11-24 01:26:14,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:14,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125778388] [2024-11-24 01:26:14,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:14,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:14,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:14,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125778388] [2024-11-24 01:26:14,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125778388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:14,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:14,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:26:14,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682249326] [2024-11-24 01:26:14,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:14,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:26:14,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:14,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:26:14,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:14,901 INFO L87 Difference]: Start difference. First operand 704 states and 992 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:15,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:15,503 INFO L93 Difference]: Finished difference Result 1584 states and 2228 transitions. [2024-11-24 01:26:15,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:26:15,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-11-24 01:26:15,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:15,508 INFO L225 Difference]: With dead ends: 1584 [2024-11-24 01:26:15,508 INFO L226 Difference]: Without dead ends: 883 [2024-11-24 01:26:15,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:26:15,511 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 213 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:15,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 1336 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:26:15,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-24 01:26:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 722. [2024-11-24 01:26:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 645 states have (on average 1.3751937984496123) internal successors, (887), 647 states have internal predecessors, (887), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:15,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1015 transitions. [2024-11-24 01:26:15,586 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1015 transitions. Word has length 119 [2024-11-24 01:26:15,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:15,586 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1015 transitions. [2024-11-24 01:26:15,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:15,586 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1015 transitions. [2024-11-24 01:26:15,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 01:26:15,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:15,589 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:15,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:26:15,589 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:15,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:15,589 INFO L85 PathProgramCache]: Analyzing trace with hash -2023782025, now seen corresponding path program 1 times [2024-11-24 01:26:15,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:15,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990116524] [2024-11-24 01:26:15,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:15,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:16,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:16,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990116524] [2024-11-24 01:26:16,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990116524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:16,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:16,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:26:16,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557944883] [2024-11-24 01:26:16,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:16,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:26:16,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:16,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:26:16,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:26:16,045 INFO L87 Difference]: Start difference. First operand 722 states and 1015 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:16,233 INFO L93 Difference]: Finished difference Result 1697 states and 2362 transitions. [2024-11-24 01:26:16,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:26:16,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-24 01:26:16,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:16,239 INFO L225 Difference]: With dead ends: 1697 [2024-11-24 01:26:16,239 INFO L226 Difference]: Without dead ends: 978 [2024-11-24 01:26:16,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:16,241 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 77 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:16,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 681 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:26:16,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-11-24 01:26:16,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 720. [2024-11-24 01:26:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 643 states have (on average 1.3670295489891136) internal successors, (879), 645 states have internal predecessors, (879), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:16,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1007 transitions. [2024-11-24 01:26:16,310 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1007 transitions. Word has length 119 [2024-11-24 01:26:16,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:16,310 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 1007 transitions. [2024-11-24 01:26:16,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:16,310 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1007 transitions. [2024-11-24 01:26:16,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 01:26:16,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:16,312 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:16,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:26:16,313 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:16,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:16,313 INFO L85 PathProgramCache]: Analyzing trace with hash -754090431, now seen corresponding path program 1 times [2024-11-24 01:26:16,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:16,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659205453] [2024-11-24 01:26:16,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:16,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:16,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:16,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659205453] [2024-11-24 01:26:16,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659205453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:16,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:16,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:26:16,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885698888] [2024-11-24 01:26:16,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:16,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:26:16,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:16,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:26:16,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:26:16,709 INFO L87 Difference]: Start difference. First operand 720 states and 1007 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:16,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:16,915 INFO L93 Difference]: Finished difference Result 1533 states and 2133 transitions. [2024-11-24 01:26:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:26:16,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-24 01:26:16,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:16,920 INFO L225 Difference]: With dead ends: 1533 [2024-11-24 01:26:16,920 INFO L226 Difference]: Without dead ends: 816 [2024-11-24 01:26:16,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:16,922 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 79 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:16,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 926 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:26:16,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-24 01:26:16,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 670. [2024-11-24 01:26:16,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 593 states have (on average 1.3642495784148398) internal successors, (809), 595 states have internal predecessors, (809), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 937 transitions. [2024-11-24 01:26:16,987 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 937 transitions. Word has length 120 [2024-11-24 01:26:16,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:16,988 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 937 transitions. [2024-11-24 01:26:16,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:16,988 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 937 transitions. [2024-11-24 01:26:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 01:26:16,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:16,990 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:16,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:26:16,990 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:16,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:16,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1906837686, now seen corresponding path program 1 times [2024-11-24 01:26:16,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:16,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537874062] [2024-11-24 01:26:16,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:17,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537874062] [2024-11-24 01:26:17,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537874062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:17,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:17,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:26:17,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092444602] [2024-11-24 01:26:17,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:17,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:26:17,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:17,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:26:17,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:26:17,440 INFO L87 Difference]: Start difference. First operand 670 states and 937 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:17,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:17,636 INFO L93 Difference]: Finished difference Result 1473 states and 2049 transitions. [2024-11-24 01:26:17,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:26:17,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-24 01:26:17,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:17,641 INFO L225 Difference]: With dead ends: 1473 [2024-11-24 01:26:17,642 INFO L226 Difference]: Without dead ends: 806 [2024-11-24 01:26:17,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:17,644 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 76 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:17,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 714 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:26:17,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-24 01:26:17,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 668. [2024-11-24 01:26:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 591 states have (on average 1.3587140439932317) internal successors, (803), 593 states have internal predecessors, (803), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:17,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 931 transitions. [2024-11-24 01:26:17,726 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 931 transitions. Word has length 120 [2024-11-24 01:26:17,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:17,727 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 931 transitions. [2024-11-24 01:26:17,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 931 transitions. [2024-11-24 01:26:17,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 01:26:17,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:17,729 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:17,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:26:17,730 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:17,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:17,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1772824180, now seen corresponding path program 1 times [2024-11-24 01:26:17,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:17,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878730227] [2024-11-24 01:26:17,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:17,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:18,156 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:18,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:18,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878730227] [2024-11-24 01:26:18,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878730227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:18,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:18,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:26:18,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459111234] [2024-11-24 01:26:18,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:18,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:26:18,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:18,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:26:18,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:26:18,158 INFO L87 Difference]: Start difference. First operand 668 states and 931 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:18,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:18,334 INFO L93 Difference]: Finished difference Result 1468 states and 2036 transitions. [2024-11-24 01:26:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:26:18,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-24 01:26:18,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:18,341 INFO L225 Difference]: With dead ends: 1468 [2024-11-24 01:26:18,341 INFO L226 Difference]: Without dead ends: 803 [2024-11-24 01:26:18,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:18,344 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 130 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:18,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 581 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:26:18,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-24 01:26:18,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 668. [2024-11-24 01:26:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 591 states have (on average 1.3468697123519457) internal successors, (796), 593 states have internal predecessors, (796), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 924 transitions. [2024-11-24 01:26:18,406 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 924 transitions. Word has length 120 [2024-11-24 01:26:18,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:18,406 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 924 transitions. [2024-11-24 01:26:18,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 924 transitions. [2024-11-24 01:26:18,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 01:26:18,408 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:18,409 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:18,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:26:18,409 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:18,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:18,410 INFO L85 PathProgramCache]: Analyzing trace with hash 751755826, now seen corresponding path program 1 times [2024-11-24 01:26:18,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:18,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868850070] [2024-11-24 01:26:18,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:18,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:18,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:18,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868850070] [2024-11-24 01:26:18,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868850070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:18,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:18,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:26:18,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919688628] [2024-11-24 01:26:18,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:18,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:26:18,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:18,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:26:18,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:18,901 INFO L87 Difference]: Start difference. First operand 668 states and 924 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:19,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:19,397 INFO L93 Difference]: Finished difference Result 1495 states and 2058 transitions. [2024-11-24 01:26:19,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:26:19,397 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-11-24 01:26:19,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:19,403 INFO L225 Difference]: With dead ends: 1495 [2024-11-24 01:26:19,403 INFO L226 Difference]: Without dead ends: 798 [2024-11-24 01:26:19,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:26:19,405 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 246 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:19,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1046 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:26:19,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-24 01:26:19,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 685. [2024-11-24 01:26:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 608 states have (on average 1.3421052631578947) internal successors, (816), 610 states have internal predecessors, (816), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:19,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 944 transitions. [2024-11-24 01:26:19,474 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 944 transitions. Word has length 120 [2024-11-24 01:26:19,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:19,475 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 944 transitions. [2024-11-24 01:26:19,475 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 944 transitions. [2024-11-24 01:26:19,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 01:26:19,477 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:19,477 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:19,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:26:19,477 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:19,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:19,478 INFO L85 PathProgramCache]: Analyzing trace with hash 2137959220, now seen corresponding path program 1 times [2024-11-24 01:26:19,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:19,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350892705] [2024-11-24 01:26:19,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:19,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:20,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:20,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350892705] [2024-11-24 01:26:20,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350892705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:20,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:20,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:26:20,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607019650] [2024-11-24 01:26:20,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:20,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:26:20,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:20,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:26:20,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:26:20,134 INFO L87 Difference]: Start difference. First operand 685 states and 944 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:20,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:20,753 INFO L93 Difference]: Finished difference Result 1532 states and 2108 transitions. [2024-11-24 01:26:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:26:20,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-24 01:26:20,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:20,758 INFO L225 Difference]: With dead ends: 1532 [2024-11-24 01:26:20,759 INFO L226 Difference]: Without dead ends: 850 [2024-11-24 01:26:20,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:26:20,761 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 255 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:20,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 1177 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:26:20,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-24 01:26:20,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 675. [2024-11-24 01:26:20,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 598 states have (on average 1.3411371237458194) internal successors, (802), 600 states have internal predecessors, (802), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 930 transitions. [2024-11-24 01:26:20,849 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 930 transitions. Word has length 120 [2024-11-24 01:26:20,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:20,850 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 930 transitions. [2024-11-24 01:26:20,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:20,850 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 930 transitions. [2024-11-24 01:26:20,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 01:26:20,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:20,852 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:20,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:26:20,855 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:20,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:20,856 INFO L85 PathProgramCache]: Analyzing trace with hash 2118823200, now seen corresponding path program 1 times [2024-11-24 01:26:20,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:20,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894089730] [2024-11-24 01:26:20,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:20,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:26,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:26,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894089730] [2024-11-24 01:26:26,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894089730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:26,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:26,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 01:26:26,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577207069] [2024-11-24 01:26:26,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:26,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:26:26,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:26,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:26:26,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=199, Unknown=1, NotChecked=0, Total=240 [2024-11-24 01:26:26,890 INFO L87 Difference]: Start difference. First operand 675 states and 930 transitions. Second operand has 16 states, 14 states have (on average 4.571428571428571) internal successors, (64), 16 states have internal predecessors, (64), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-24 01:26:44,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:44,884 INFO L93 Difference]: Finished difference Result 1551 states and 2138 transitions. [2024-11-24 01:26:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 01:26:44,885 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.571428571428571) internal successors, (64), 16 states have internal predecessors, (64), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 5 states have call successors, (12) Word has length 121 [2024-11-24 01:26:44,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:44,891 INFO L225 Difference]: With dead ends: 1551 [2024-11-24 01:26:44,891 INFO L226 Difference]: Without dead ends: 1197 [2024-11-24 01:26:44,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 18.7s TimeCoverageRelationStatistics Valid=142, Invalid=727, Unknown=1, NotChecked=0, Total=870 [2024-11-24 01:26:44,893 INFO L435 NwaCegarLoop]: 375 mSDtfsCounter, 945 mSDsluCounter, 3146 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 3521 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:44,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 3521 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-24 01:26:44,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-11-24 01:26:44,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 717. [2024-11-24 01:26:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 640 states have (on average 1.3390625) internal successors, (857), 642 states have internal predecessors, (857), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 985 transitions. [2024-11-24 01:26:44,973 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 985 transitions. Word has length 121 [2024-11-24 01:26:44,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:44,974 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 985 transitions. [2024-11-24 01:26:44,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.571428571428571) internal successors, (64), 16 states have internal predecessors, (64), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-24 01:26:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 985 transitions. [2024-11-24 01:26:44,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 01:26:44,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:44,976 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:44,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 01:26:44,976 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:44,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:44,977 INFO L85 PathProgramCache]: Analyzing trace with hash -2114104482, now seen corresponding path program 1 times [2024-11-24 01:26:44,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:44,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57418294] [2024-11-24 01:26:44,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:44,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:46,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:46,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57418294] [2024-11-24 01:26:46,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57418294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:46,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:46,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:26:46,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888838329] [2024-11-24 01:26:46,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:46,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:26:46,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:46,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:26:46,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:26:46,117 INFO L87 Difference]: Start difference. First operand 717 states and 985 transitions. Second operand has 11 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:26:47,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:47,976 INFO L93 Difference]: Finished difference Result 1491 states and 2055 transitions. [2024-11-24 01:26:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:26:47,977 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 121 [2024-11-24 01:26:47,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:47,982 INFO L225 Difference]: With dead ends: 1491 [2024-11-24 01:26:47,983 INFO L226 Difference]: Without dead ends: 1095 [2024-11-24 01:26:47,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:26:47,984 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 357 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 2386 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:47,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 2386 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:26:47,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2024-11-24 01:26:48,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 687. [2024-11-24 01:26:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 610 states have (on average 1.339344262295082) internal successors, (817), 612 states have internal predecessors, (817), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 945 transitions. [2024-11-24 01:26:48,102 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 945 transitions. Word has length 121 [2024-11-24 01:26:48,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:48,102 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 945 transitions. [2024-11-24 01:26:48,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.4) internal successors, (64), 11 states have internal predecessors, (64), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:26:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 945 transitions. [2024-11-24 01:26:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 01:26:48,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:48,106 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:48,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 01:26:48,107 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:48,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:48,107 INFO L85 PathProgramCache]: Analyzing trace with hash 417061139, now seen corresponding path program 1 times [2024-11-24 01:26:48,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:48,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878120818] [2024-11-24 01:26:48,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:48,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:48,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:48,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878120818] [2024-11-24 01:26:48,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878120818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:48,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:48,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:26:48,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707619455] [2024-11-24 01:26:48,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:48,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:26:48,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:48,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:26:48,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:26:48,637 INFO L87 Difference]: Start difference. First operand 687 states and 945 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:48,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:48,928 INFO L93 Difference]: Finished difference Result 1394 states and 1914 transitions. [2024-11-24 01:26:48,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:26:48,929 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 121 [2024-11-24 01:26:48,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:48,932 INFO L225 Difference]: With dead ends: 1394 [2024-11-24 01:26:48,932 INFO L226 Difference]: Without dead ends: 710 [2024-11-24 01:26:48,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:26:48,935 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 113 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:48,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 2140 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:26:48,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2024-11-24 01:26:49,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 698. [2024-11-24 01:26:49,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 621 states have (on average 1.3317230273752012) internal successors, (827), 623 states have internal predecessors, (827), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:49,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 955 transitions. [2024-11-24 01:26:49,023 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 955 transitions. Word has length 121 [2024-11-24 01:26:49,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:49,024 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 955 transitions. [2024-11-24 01:26:49,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:26:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 955 transitions. [2024-11-24 01:26:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 01:26:49,026 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:49,026 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:49,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 01:26:49,026 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:49,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:49,027 INFO L85 PathProgramCache]: Analyzing trace with hash 635915857, now seen corresponding path program 1 times [2024-11-24 01:26:49,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:49,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57662668] [2024-11-24 01:26:49,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:49,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:49,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:49,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57662668] [2024-11-24 01:26:49,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57662668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:49,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:49,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:26:49,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297514918] [2024-11-24 01:26:49,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:49,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:26:49,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:49,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:26:49,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:26:49,464 INFO L87 Difference]: Start difference. First operand 698 states and 955 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:49,644 INFO L93 Difference]: Finished difference Result 1458 states and 1996 transitions. [2024-11-24 01:26:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:26:49,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-11-24 01:26:49,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:49,649 INFO L225 Difference]: With dead ends: 1458 [2024-11-24 01:26:49,649 INFO L226 Difference]: Without dead ends: 763 [2024-11-24 01:26:49,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:49,651 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 53 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:49,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 924 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:26:49,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-24 01:26:49,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 700. [2024-11-24 01:26:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 623 states have (on average 1.3306581059390048) internal successors, (829), 625 states have internal predecessors, (829), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 957 transitions. [2024-11-24 01:26:49,728 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 957 transitions. Word has length 121 [2024-11-24 01:26:49,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:49,728 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 957 transitions. [2024-11-24 01:26:49,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:49,729 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 957 transitions. [2024-11-24 01:26:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 01:26:49,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:49,731 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:49,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 01:26:49,731 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:49,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:49,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1095319066, now seen corresponding path program 1 times [2024-11-24 01:26:49,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:49,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852684522] [2024-11-24 01:26:49,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:49,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:51,663 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:51,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:51,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852684522] [2024-11-24 01:26:51,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852684522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:51,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:51,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 01:26:51,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242989711] [2024-11-24 01:26:51,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:51,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:26:51,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:51,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:26:51,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:26:51,667 INFO L87 Difference]: Start difference. First operand 700 states and 957 transitions. Second operand has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-24 01:26:55,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:55,215 INFO L93 Difference]: Finished difference Result 1599 states and 2180 transitions. [2024-11-24 01:26:55,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 01:26:55,220 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 5 states have call successors, (12) Word has length 122 [2024-11-24 01:26:55,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:55,227 INFO L225 Difference]: With dead ends: 1599 [2024-11-24 01:26:55,227 INFO L226 Difference]: Without dead ends: 1217 [2024-11-24 01:26:55,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2024-11-24 01:26:55,232 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 1036 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 2500 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:55,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1036 Valid, 2500 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-24 01:26:55,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-24 01:26:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 720. [2024-11-24 01:26:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 643 states have (on average 1.328149300155521) internal successors, (854), 645 states have internal predecessors, (854), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:55,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 982 transitions. [2024-11-24 01:26:55,370 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 982 transitions. Word has length 122 [2024-11-24 01:26:55,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:55,370 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 982 transitions. [2024-11-24 01:26:55,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-24 01:26:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 982 transitions. [2024-11-24 01:26:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 01:26:55,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:55,372 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:55,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 01:26:55,373 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:55,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:55,374 INFO L85 PathProgramCache]: Analyzing trace with hash 827908968, now seen corresponding path program 1 times [2024-11-24 01:26:55,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:55,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989849296] [2024-11-24 01:26:55,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:55,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:56,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:56,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989849296] [2024-11-24 01:26:56,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989849296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:56,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:56,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:26:56,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337859944] [2024-11-24 01:26:56,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:56,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:26:56,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:56,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:26:56,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:26:56,295 INFO L87 Difference]: Start difference. First operand 720 states and 982 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:26:58,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:58,602 INFO L93 Difference]: Finished difference Result 1569 states and 2145 transitions. [2024-11-24 01:26:58,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 01:26:58,603 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2024-11-24 01:26:58,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:58,608 INFO L225 Difference]: With dead ends: 1569 [2024-11-24 01:26:58,608 INFO L226 Difference]: Without dead ends: 1167 [2024-11-24 01:26:58,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-24 01:26:58,610 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 504 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:58,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 1720 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:26:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2024-11-24 01:26:58,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 701. [2024-11-24 01:26:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 624 states have (on average 1.330128205128205) internal successors, (830), 626 states have internal predecessors, (830), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 958 transitions. [2024-11-24 01:26:58,730 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 958 transitions. Word has length 122 [2024-11-24 01:26:58,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:58,731 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 958 transitions. [2024-11-24 01:26:58,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:26:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 958 transitions. [2024-11-24 01:26:58,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 01:26:58,733 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:58,733 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:58,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 01:26:58,733 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:58,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:58,734 INFO L85 PathProgramCache]: Analyzing trace with hash -641394042, now seen corresponding path program 1 times [2024-11-24 01:26:58,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:58,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793052322] [2024-11-24 01:26:58,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:58,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:26:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:26:59,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:26:59,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793052322] [2024-11-24 01:26:59,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793052322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:26:59,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:26:59,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:26:59,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446849751] [2024-11-24 01:26:59,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:26:59,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:26:59,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:26:59,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:26:59,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:26:59,072 INFO L87 Difference]: Start difference. First operand 701 states and 958 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:59,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:26:59,281 INFO L93 Difference]: Finished difference Result 1516 states and 2064 transitions. [2024-11-24 01:26:59,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:26:59,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-24 01:26:59,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:26:59,285 INFO L225 Difference]: With dead ends: 1516 [2024-11-24 01:26:59,285 INFO L226 Difference]: Without dead ends: 818 [2024-11-24 01:26:59,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:26:59,288 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 112 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:26:59,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 582 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:26:59,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2024-11-24 01:26:59,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 713. [2024-11-24 01:26:59,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 636 states have (on average 1.320754716981132) internal successors, (840), 638 states have internal predecessors, (840), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:26:59,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 968 transitions. [2024-11-24 01:26:59,383 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 968 transitions. Word has length 122 [2024-11-24 01:26:59,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:26:59,384 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 968 transitions. [2024-11-24 01:26:59,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:26:59,384 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 968 transitions. [2024-11-24 01:26:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 01:26:59,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:26:59,386 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:26:59,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 01:26:59,386 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:26:59,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:26:59,387 INFO L85 PathProgramCache]: Analyzing trace with hash -240964163, now seen corresponding path program 1 times [2024-11-24 01:26:59,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:26:59,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898799330] [2024-11-24 01:26:59,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:26:59,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:26:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:00,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:00,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898799330] [2024-11-24 01:27:00,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898799330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:00,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:00,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:27:00,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230156327] [2024-11-24 01:27:00,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:00,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:27:00,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:00,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:27:00,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:27:00,146 INFO L87 Difference]: Start difference. First operand 713 states and 968 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:00,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:00,707 INFO L93 Difference]: Finished difference Result 1578 states and 2140 transitions. [2024-11-24 01:27:00,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:27:00,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-24 01:27:00,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:00,711 INFO L225 Difference]: With dead ends: 1578 [2024-11-24 01:27:00,711 INFO L226 Difference]: Without dead ends: 868 [2024-11-24 01:27:00,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:27:00,713 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 484 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:00,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 861 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:27:00,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-24 01:27:00,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 850. [2024-11-24 01:27:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 749 states have (on average 1.3190921228304406) internal successors, (988), 753 states have internal predecessors, (988), 84 states have call successors, (84), 16 states have call predecessors, (84), 16 states have return successors, (84), 80 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-24 01:27:00,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1156 transitions. [2024-11-24 01:27:00,854 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1156 transitions. Word has length 122 [2024-11-24 01:27:00,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:00,854 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1156 transitions. [2024-11-24 01:27:00,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1156 transitions. [2024-11-24 01:27:00,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 01:27:00,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:00,857 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:00,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 01:27:00,858 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:00,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:00,858 INFO L85 PathProgramCache]: Analyzing trace with hash -942028741, now seen corresponding path program 1 times [2024-11-24 01:27:00,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:00,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019340355] [2024-11-24 01:27:00,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:00,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:01,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:01,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019340355] [2024-11-24 01:27:01,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019340355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:01,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:01,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-24 01:27:01,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79994237] [2024-11-24 01:27:01,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:01,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 01:27:01,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:01,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 01:27:01,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:27:01,618 INFO L87 Difference]: Start difference. First operand 850 states and 1156 transitions. Second operand has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:02,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:02,437 INFO L93 Difference]: Finished difference Result 1678 states and 2273 transitions. [2024-11-24 01:27:02,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:27:02,438 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2024-11-24 01:27:02,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:02,441 INFO L225 Difference]: With dead ends: 1678 [2024-11-24 01:27:02,442 INFO L226 Difference]: Without dead ends: 882 [2024-11-24 01:27:02,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2024-11-24 01:27:02,444 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 246 mSDsluCounter, 2382 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 2610 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:02,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 2610 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:27:02,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2024-11-24 01:27:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 858. [2024-11-24 01:27:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 754 states have (on average 1.3156498673740054) internal successors, (992), 758 states have internal predecessors, (992), 86 states have call successors, (86), 17 states have call predecessors, (86), 17 states have return successors, (86), 82 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-24 01:27:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1164 transitions. [2024-11-24 01:27:02,553 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1164 transitions. Word has length 122 [2024-11-24 01:27:02,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:02,553 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1164 transitions. [2024-11-24 01:27:02,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1164 transitions. [2024-11-24 01:27:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 01:27:02,555 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:02,555 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:02,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 01:27:02,555 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:02,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:02,556 INFO L85 PathProgramCache]: Analyzing trace with hash 460635711, now seen corresponding path program 1 times [2024-11-24 01:27:02,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:02,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216734727] [2024-11-24 01:27:02,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:02,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:04,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:04,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216734727] [2024-11-24 01:27:04,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216734727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:04,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:04,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-24 01:27:04,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656108796] [2024-11-24 01:27:04,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:04,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 01:27:04,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:04,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 01:27:04,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:27:04,130 INFO L87 Difference]: Start difference. First operand 858 states and 1164 transitions. Second operand has 15 states, 14 states have (on average 4.642857142857143) internal successors, (65), 15 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:05,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:05,312 INFO L93 Difference]: Finished difference Result 1687 states and 2277 transitions. [2024-11-24 01:27:05,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:27:05,313 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.642857142857143) internal successors, (65), 15 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-24 01:27:05,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:05,315 INFO L225 Difference]: With dead ends: 1687 [2024-11-24 01:27:05,315 INFO L226 Difference]: Without dead ends: 883 [2024-11-24 01:27:05,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2024-11-24 01:27:05,317 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 393 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 2773 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:05,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 2773 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:27:05,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-24 01:27:05,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 736. [2024-11-24 01:27:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 657 states have (on average 1.3059360730593608) internal successors, (858), 659 states have internal predecessors, (858), 64 states have call successors, (64), 14 states have call predecessors, (64), 14 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:27:05,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 986 transitions. [2024-11-24 01:27:05,425 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 986 transitions. Word has length 122 [2024-11-24 01:27:05,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:05,425 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 986 transitions. [2024-11-24 01:27:05,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.642857142857143) internal successors, (65), 15 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 986 transitions. [2024-11-24 01:27:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 01:27:05,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:05,427 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:05,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-24 01:27:05,427 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:05,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:05,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1858872006, now seen corresponding path program 1 times [2024-11-24 01:27:05,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:05,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84230634] [2024-11-24 01:27:05,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:06,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:06,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84230634] [2024-11-24 01:27:06,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84230634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:06,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:06,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 01:27:06,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492730359] [2024-11-24 01:27:06,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:06,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 01:27:06,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:06,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 01:27:06,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:27:06,279 INFO L87 Difference]: Start difference. First operand 736 states and 986 transitions. Second operand has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:06,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:06,709 INFO L93 Difference]: Finished difference Result 1214 states and 1638 transitions. [2024-11-24 01:27:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:27:06,710 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-11-24 01:27:06,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:06,713 INFO L225 Difference]: With dead ends: 1214 [2024-11-24 01:27:06,714 INFO L226 Difference]: Without dead ends: 813 [2024-11-24 01:27:06,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:27:06,715 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 52 mSDsluCounter, 1976 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:06,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 2156 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:27:06,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-24 01:27:06,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 745. [2024-11-24 01:27:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 666 states have (on average 1.3018018018018018) internal successors, (867), 668 states have internal predecessors, (867), 64 states have call successors, (64), 14 states have call predecessors, (64), 14 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:27:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 995 transitions. [2024-11-24 01:27:06,828 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 995 transitions. Word has length 124 [2024-11-24 01:27:06,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:06,828 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 995 transitions. [2024-11-24 01:27:06,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 995 transitions. [2024-11-24 01:27:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 01:27:06,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:06,829 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:06,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 01:27:06,830 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:06,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:06,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1458442127, now seen corresponding path program 1 times [2024-11-24 01:27:06,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:06,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510873731] [2024-11-24 01:27:06,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:06,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:07,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:07,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510873731] [2024-11-24 01:27:07,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510873731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:07,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:07,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:27:07,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938691980] [2024-11-24 01:27:07,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:07,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:27:07,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:07,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:27:07,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:27:07,132 INFO L87 Difference]: Start difference. First operand 745 states and 995 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:07,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:07,377 INFO L93 Difference]: Finished difference Result 1245 states and 1664 transitions. [2024-11-24 01:27:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:27:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-11-24 01:27:07,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:07,383 INFO L225 Difference]: With dead ends: 1245 [2024-11-24 01:27:07,384 INFO L226 Difference]: Without dead ends: 835 [2024-11-24 01:27:07,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:27:07,385 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 55 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:07,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 873 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:27:07,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-24 01:27:07,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 745. [2024-11-24 01:27:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 666 states have (on average 1.2972972972972974) internal successors, (864), 668 states have internal predecessors, (864), 64 states have call successors, (64), 14 states have call predecessors, (64), 14 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:27:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 992 transitions. [2024-11-24 01:27:07,508 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 992 transitions. Word has length 124 [2024-11-24 01:27:07,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:07,509 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 992 transitions. [2024-11-24 01:27:07,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:07,509 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 992 transitions. [2024-11-24 01:27:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 01:27:07,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:07,510 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:07,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 01:27:07,510 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:07,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:07,511 INFO L85 PathProgramCache]: Analyzing trace with hash 570259053, now seen corresponding path program 1 times [2024-11-24 01:27:07,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:07,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643547568] [2024-11-24 01:27:07,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:07,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 01:27:07,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:07,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643547568] [2024-11-24 01:27:07,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643547568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:27:07,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674976517] [2024-11-24 01:27:07,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:07,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:27:07,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:27:07,675 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:27:07,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:27:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:07,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:27:07,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:08,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:08,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674976517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:08,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:27:08,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-24 01:27:08,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095354165] [2024-11-24 01:27:08,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:08,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:27:08,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:08,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:27:08,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:27:08,026 INFO L87 Difference]: Start difference. First operand 745 states and 992 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:08,157 INFO L93 Difference]: Finished difference Result 1505 states and 2005 transitions. [2024-11-24 01:27:08,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:27:08,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 124 [2024-11-24 01:27:08,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:08,161 INFO L225 Difference]: With dead ends: 1505 [2024-11-24 01:27:08,162 INFO L226 Difference]: Without dead ends: 763 [2024-11-24 01:27:08,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:27:08,164 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:08,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 600 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:27:08,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-24 01:27:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 763. [2024-11-24 01:27:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 684 states have (on average 1.2894736842105263) internal successors, (882), 686 states have internal predecessors, (882), 64 states have call successors, (64), 14 states have call predecessors, (64), 14 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:27:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1010 transitions. [2024-11-24 01:27:08,274 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1010 transitions. Word has length 124 [2024-11-24 01:27:08,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:08,275 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1010 transitions. [2024-11-24 01:27:08,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:08,275 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1010 transitions. [2024-11-24 01:27:08,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 01:27:08,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:08,276 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:08,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:27:08,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:27:08,480 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:08,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:08,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1111849902, now seen corresponding path program 1 times [2024-11-24 01:27:08,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:08,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195592227] [2024-11-24 01:27:08,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:08,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:08,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:08,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195592227] [2024-11-24 01:27:08,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195592227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:08,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:08,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:27:08,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884829510] [2024-11-24 01:27:08,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:08,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:27:08,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:08,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:27:08,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:27:08,797 INFO L87 Difference]: Start difference. First operand 763 states and 1010 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:09,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:09,036 INFO L93 Difference]: Finished difference Result 1598 states and 2107 transitions. [2024-11-24 01:27:09,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:27:09,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-11-24 01:27:09,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:09,040 INFO L225 Difference]: With dead ends: 1598 [2024-11-24 01:27:09,040 INFO L226 Difference]: Without dead ends: 838 [2024-11-24 01:27:09,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:27:09,042 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 48 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:09,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 722 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:27:09,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-24 01:27:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 751. [2024-11-24 01:27:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 672 states have (on average 1.28125) internal successors, (861), 674 states have internal predecessors, (861), 64 states have call successors, (64), 14 states have call predecessors, (64), 14 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:27:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 989 transitions. [2024-11-24 01:27:09,145 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 989 transitions. Word has length 126 [2024-11-24 01:27:09,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:09,146 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 989 transitions. [2024-11-24 01:27:09,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:09,146 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 989 transitions. [2024-11-24 01:27:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:27:09,147 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:09,147 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:09,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-24 01:27:09,147 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:09,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:09,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1911816657, now seen corresponding path program 1 times [2024-11-24 01:27:09,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:09,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153874331] [2024-11-24 01:27:09,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:09,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:10,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:10,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153874331] [2024-11-24 01:27:10,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153874331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:10,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:10,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 01:27:10,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051175104] [2024-11-24 01:27:10,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:10,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:27:10,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:10,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:27:10,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:27:10,486 INFO L87 Difference]: Start difference. First operand 751 states and 989 transitions. Second operand has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 13 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:11,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:11,528 INFO L93 Difference]: Finished difference Result 1472 states and 1946 transitions. [2024-11-24 01:27:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:27:11,529 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 13 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-11-24 01:27:11,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:11,533 INFO L225 Difference]: With dead ends: 1472 [2024-11-24 01:27:11,533 INFO L226 Difference]: Without dead ends: 1050 [2024-11-24 01:27:11,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:27:11,535 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 100 mSDsluCounter, 2286 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 2521 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:11,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 2521 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:27:11,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2024-11-24 01:27:11,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 896. [2024-11-24 01:27:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 807 states have (on average 1.2812887236679058) internal successors, (1034), 810 states have internal predecessors, (1034), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 69 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-24 01:27:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1178 transitions. [2024-11-24 01:27:11,817 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1178 transitions. Word has length 128 [2024-11-24 01:27:11,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:11,818 INFO L471 AbstractCegarLoop]: Abstraction has 896 states and 1178 transitions. [2024-11-24 01:27:11,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 13 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1178 transitions. [2024-11-24 01:27:11,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:27:11,820 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:11,820 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:11,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-24 01:27:11,821 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:11,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:11,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1703092269, now seen corresponding path program 1 times [2024-11-24 01:27:11,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:11,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370221799] [2024-11-24 01:27:11,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:11,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:12,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:12,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370221799] [2024-11-24 01:27:12,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370221799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:12,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:12,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:27:12,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571058027] [2024-11-24 01:27:12,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:12,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:27:12,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:12,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:27:12,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:27:12,168 INFO L87 Difference]: Start difference. First operand 896 states and 1178 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:12,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:12,426 INFO L93 Difference]: Finished difference Result 1523 states and 2011 transitions. [2024-11-24 01:27:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:27:12,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-11-24 01:27:12,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:12,431 INFO L225 Difference]: With dead ends: 1523 [2024-11-24 01:27:12,431 INFO L226 Difference]: Without dead ends: 956 [2024-11-24 01:27:12,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:27:12,432 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 93 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:12,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1076 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:27:12,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2024-11-24 01:27:12,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 892. [2024-11-24 01:27:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 803 states have (on average 1.2789539227895392) internal successors, (1027), 806 states have internal predecessors, (1027), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 69 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-24 01:27:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1171 transitions. [2024-11-24 01:27:12,579 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1171 transitions. Word has length 128 [2024-11-24 01:27:12,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:12,580 INFO L471 AbstractCegarLoop]: Abstraction has 892 states and 1171 transitions. [2024-11-24 01:27:12,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1171 transitions. [2024-11-24 01:27:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:27:12,582 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:12,582 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:12,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-24 01:27:12,582 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:12,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:12,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1839430099, now seen corresponding path program 1 times [2024-11-24 01:27:12,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:12,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857327328] [2024-11-24 01:27:12,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:12,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:12,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:12,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857327328] [2024-11-24 01:27:12,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857327328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:12,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:12,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:27:12,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848078028] [2024-11-24 01:27:12,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:12,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:27:12,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:12,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:27:12,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:27:12,953 INFO L87 Difference]: Start difference. First operand 892 states and 1171 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:13,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:13,258 INFO L93 Difference]: Finished difference Result 1693 states and 2241 transitions. [2024-11-24 01:27:13,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:27:13,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-11-24 01:27:13,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:13,263 INFO L225 Difference]: With dead ends: 1693 [2024-11-24 01:27:13,263 INFO L226 Difference]: Without dead ends: 1130 [2024-11-24 01:27:13,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:27:13,264 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 96 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:13,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 839 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:27:13,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-11-24 01:27:13,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 880. [2024-11-24 01:27:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 791 states have (on average 1.279393173198483) internal successors, (1012), 794 states have internal predecessors, (1012), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 69 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-24 01:27:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1156 transitions. [2024-11-24 01:27:13,374 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1156 transitions. Word has length 128 [2024-11-24 01:27:13,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:13,374 INFO L471 AbstractCegarLoop]: Abstraction has 880 states and 1156 transitions. [2024-11-24 01:27:13,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1156 transitions. [2024-11-24 01:27:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:27:13,375 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:13,375 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:13,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-24 01:27:13,376 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:13,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:13,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1775478827, now seen corresponding path program 1 times [2024-11-24 01:27:13,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:13,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151549674] [2024-11-24 01:27:13,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:13,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:14,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:27:14,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151549674] [2024-11-24 01:27:14,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151549674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:14,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:14,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:27:14,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245817736] [2024-11-24 01:27:14,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:14,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:27:14,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:27:14,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:27:14,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:27:14,578 INFO L87 Difference]: Start difference. First operand 880 states and 1156 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:15,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:15,396 INFO L93 Difference]: Finished difference Result 1563 states and 2063 transitions. [2024-11-24 01:27:15,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:27:15,397 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-11-24 01:27:15,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:15,401 INFO L225 Difference]: With dead ends: 1563 [2024-11-24 01:27:15,401 INFO L226 Difference]: Without dead ends: 1012 [2024-11-24 01:27:15,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:27:15,403 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 94 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:15,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 2159 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:27:15,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2024-11-24 01:27:15,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 874. [2024-11-24 01:27:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 785 states have (on average 1.2802547770700636) internal successors, (1005), 788 states have internal predecessors, (1005), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 69 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-24 01:27:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1149 transitions. [2024-11-24 01:27:15,546 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1149 transitions. Word has length 128 [2024-11-24 01:27:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:15,546 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1149 transitions. [2024-11-24 01:27:15,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1149 transitions. [2024-11-24 01:27:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:27:15,547 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:15,548 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:15,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-24 01:27:15,548 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:15,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:15,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1480106236, now seen corresponding path program 1 times [2024-11-24 01:27:15,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:15,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801765345] [2024-11-24 01:27:15,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:15,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:27:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:27:15,606 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:27:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:27:15,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:27:15,737 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:27:15,738 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:27:15,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-24 01:27:15,743 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:15,830 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:27:15,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:27:15 BoogieIcfgContainer [2024-11-24 01:27:15,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:27:15,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:27:15,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:27:15,834 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:27:15,835 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:26:06" (3/4) ... [2024-11-24 01:27:15,837 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:27:15,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:27:15,838 INFO L158 Benchmark]: Toolchain (without parser) took 70440.69ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 92.2MB in the beginning and 323.1MB in the end (delta: -230.9MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-24 01:27:15,839 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:27:15,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.84ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.8MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:27:15,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.84ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 74.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:27:15,839 INFO L158 Benchmark]: Boogie Preprocessor took 135.88ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 70.1MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:27:15,840 INFO L158 Benchmark]: RCFGBuilder took 800.32ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 38.8MB in the end (delta: 31.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:27:15,840 INFO L158 Benchmark]: TraceAbstraction took 69030.07ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 38.0MB in the beginning and 323.1MB in the end (delta: -285.1MB). Peak memory consumption was 184.7MB. Max. memory is 16.1GB. [2024-11-24 01:27:15,840 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 385.9MB. Free memory was 323.1MB in the beginning and 323.1MB in the end (delta: 50.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:27:15,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.84ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.8MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.84ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 74.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 135.88ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 70.1MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 800.32ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 38.8MB in the end (delta: 31.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 69030.07ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 38.0MB in the beginning and 323.1MB in the end (delta: -285.1MB). Peak memory consumption was 184.7MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 385.9MB. Free memory was 323.1MB in the beginning and 323.1MB in the end (delta: 50.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 94, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25-L27] double double_Array_0[5] = { 9.75, 5.1, 32.6, 128.1, 63.9 }; [L25-L27] double double_Array_0[5] = { 9.75, 5.1, 32.6, 128.1, 63.9 }; [L25-L27] double double_Array_0[5] = { 9.75, 5.1, 32.6, 128.1, 63.9 }; [L25-L27] double double_Array_0[5] = { 9.75, 5.1, 32.6, 128.1, 63.9 }; [L25-L27] double double_Array_0[5] = { 9.75, 5.1, 32.6, 128.1, 63.9 }; [L25-L27] double double_Array_0[5] = { 9.75, 5.1, 32.6, 128.1, 63.9 }; [L28-L30] signed char signed_char_Array_0[2] = { 8, -128 }; [L28-L30] signed char signed_char_Array_0[2] = { 8, -128 }; [L28-L30] signed char signed_char_Array_0[2] = { 8, -128 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { -10 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { -10 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2] = { 1885310857, 1 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2] = { 1885310857, 1 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2] = { 1885310857, 1 }; [L37] signed long int last_1_signed_long_int_Array_0_0_ = -10; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] isInitial = 1 [L99] FCALL initially() [L101] CALL updateLastVariables() [L91] EXPR signed_long_int_Array_0[0] [L91] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L101] RET updateLastVariables() [L102] CALL updateVariables() [L69] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] double_Array_0[0] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[0] [L76] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L76] EXPR double_Array_0[0] [L76] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] double_Array_0[1] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[1] [L78] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L78] EXPR double_Array_0[1] [L78] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] CALL assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] RET assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] double_Array_0[3] = __VERIFIER_nondet_double() [L80] EXPR double_Array_0[3] [L80] EXPR double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] EXPR double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F [L80] EXPR double_Array_0[3] [L80] EXPR double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] EXPR (double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] EXPR (double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] CALL assume_abort_if_not((double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] RET assume_abort_if_not((double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] double_Array_0[4] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[4] [L82] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F [L82] EXPR double_Array_0[4] [L82] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] CALL assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] RET assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L84] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] RET assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L87] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 1073741824) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 1073741824) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] RET updateVariables() [L103] CALL step() [L41] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L41] COND FALSE !(BOOL_unsigned_char_Array_0[1]) [L44] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L44] EXPR ((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]) [L44] EXPR ((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L44] unsigned_long_int_Array_0[1] = ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))) [L46] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L46] COND FALSE !(BOOL_unsigned_char_Array_0[1]) [L49] EXPR BOOL_unsigned_char_Array_0[1] [L49] unsigned char stepLocal_1 = BOOL_unsigned_char_Array_0[1]; [L50] EXPR signed_long_int_Array_0[0] [L50] signed long int stepLocal_0 = signed_long_int_Array_0[0]; [L51] stepLocal_1 || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, stepLocal_0=-10, unsigned_long_int_Array_0={8:0}] [L51] stepLocal_1 || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) [L51] EXPR signed_long_int_Array_0[0] [L51] EXPR signed_long_int_Array_0[0] [L51] stepLocal_1 || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, stepLocal_0=-10, unsigned_long_int_Array_0={8:0}] [L51] COND TRUE stepLocal_1 || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) [L52] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L52] COND FALSE !(stepLocal_0 < unsigned_long_int_Array_0[1]) [L57] signed_char_Array_0[1] = 2 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L62] EXPR signed_char_Array_0[1] [L62] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L62] COND TRUE signed_char_Array_0[1] >= signed_char_Array_0[1] [L63] EXPR double_Array_0[0] [L63] EXPR double_Array_0[1] [L63] EXPR double_Array_0[3] [L63] EXPR double_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] EXPR (((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4]) [L63] EXPR double_Array_0[1] [L63] EXPR double_Array_0[3] [L63] EXPR (((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] double_Array_0[2] = (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))) [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR BOOL_unsigned_char_Array_0[1] [L94] EXPR BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) [L94] EXPR signed_long_int_Array_0[0] [L94] EXPR signed_long_int_Array_0[0] [L94] EXPR BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR (BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) [L94] EXPR signed_long_int_Array_0[0] [L94] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR (signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2)) [L94] EXPR signed_char_Array_0[1] [L94] EXPR (signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR (BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR ((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR ((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0])))))) [L94] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))) [L94] EXPR unsigned_long_int_Array_0[1] [L94] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR ((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]) [L94] EXPR ((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR ((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR (((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR (((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1) [L94] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1 [L94] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR (((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR ((((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1)) && ((signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR ((((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1)) && ((signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1])))))) [L94] EXPR signed_char_Array_0[1] [L94] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR (signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) [L94] EXPR double_Array_0[2] [L94] EXPR double_Array_0[0] [L94] EXPR double_Array_0[1] [L94] EXPR double_Array_0[3] [L94] EXPR double_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR (((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4]) [L94] EXPR double_Array_0[1] [L94] EXPR double_Array_0[3] [L94] EXPR (((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR (signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR ((((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1)) && ((signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94-L95] return ((((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1)) && ((signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1])))))) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.9s, OverallIterations: 36, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 36.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6763 SdHoareTripleChecker+Valid, 14.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6745 mSDsluCounter, 44644 SdHoareTripleChecker+Invalid, 12.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37183 mSDsCounter, 880 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10052 IncrementalHoareTripleChecker+Invalid, 10932 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 880 mSolverCounterUnsat, 7461 mSDtfsCounter, 10052 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 707 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=930occurred in iteration=9, InterpolantAutomatonStates: 283, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 35 MinimizatonAttempts, 4588 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 4594 NumberOfCodeBlocks, 4594 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 4429 ConstructedInterpolants, 0 QuantifiedInterpolants, 23047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 844 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 37 InterpolantComputations, 35 PerfectInterpolantSequences, 9713/9768 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:27:15,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af611b85592e3bfdb76cb3d02db14972ec0514184947c9ed0792744d9af89e7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:27:18,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:27:18,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:27:18,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:27:18,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:27:18,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:27:18,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:27:18,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:27:18,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:27:18,609 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:27:18,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:27:18,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:27:18,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:27:18,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:27:18,610 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:27:18,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:27:18,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:27:18,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:27:18,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:27:18,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:27:18,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:27:18,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:27:18,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:27:18,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:27:18,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:27:18,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:27:18,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:27:18,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:27:18,612 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:27:18,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:27:18,613 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:27:18,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:27:18,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:27:18,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:27:18,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:27:18,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:27:18,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:27:18,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:27:18,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:27:18,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:27:18,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:27:18,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:27:18,615 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:27:18,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:27:18,615 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:27:18,616 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:27:18,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:27:18,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:27:18,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:27:18,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:27:18,616 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af611b85592e3bfdb76cb3d02db14972ec0514184947c9ed0792744d9af89e7a [2024-11-24 01:27:18,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:27:18,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:27:18,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:27:18,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:27:18,957 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:27:18,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i [2024-11-24 01:27:22,019 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data/6d9362e6b/5e91abdd4f07409ba79a3906f309dc7f/FLAGe913156bd [2024-11-24 01:27:22,320 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:27:22,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i [2024-11-24 01:27:22,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data/6d9362e6b/5e91abdd4f07409ba79a3906f309dc7f/FLAGe913156bd [2024-11-24 01:27:22,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/data/6d9362e6b/5e91abdd4f07409ba79a3906f309dc7f [2024-11-24 01:27:22,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:27:22,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:27:22,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:27:22,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:27:22,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:27:22,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:22,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e6a2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22, skipping insertion in model container [2024-11-24 01:27:22,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:22,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:27:22,561 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_be52a9ec-3805-40f9-9e05-1225f1eec28c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i[916,929] [2024-11-24 01:27:22,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:27:22,683 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:27:22,699 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_be52a9ec-3805-40f9-9e05-1225f1eec28c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i[916,929] [2024-11-24 01:27:22,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:27:22,812 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:27:22,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22 WrapperNode [2024-11-24 01:27:22,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:27:22,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:27:22,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:27:22,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:27:22,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:22,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:22,900 INFO L138 Inliner]: procedures = 33, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 499 [2024-11-24 01:27:22,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:27:22,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:27:22,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:27:22,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:27:22,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:22,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:22,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:22,967 INFO L175 MemorySlicer]: Split 127 memory accesses to 6 slices as follows [2, 16, 51, 25, 10, 23]. 40 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 2, 5, 2, 1, 2]. The 16 writes are split as follows [0, 2, 6, 4, 1, 3]. [2024-11-24 01:27:22,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:22,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:23,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:23,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:23,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:23,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:23,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:23,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:27:23,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:27:23,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:27:23,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:27:23,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (1/1) ... [2024-11-24 01:27:23,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:27:23,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:27:23,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:27:23,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:27:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:27:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-24 01:27:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-24 01:27:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-24 01:27:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-24 01:27:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-24 01:27:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-24 01:27:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-24 01:27:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-24 01:27:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-24 01:27:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-24 01:27:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-24 01:27:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-24 01:27:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 01:27:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 01:27:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-24 01:27:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-24 01:27:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-24 01:27:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-24 01:27:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-24 01:27:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-24 01:27:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-24 01:27:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-24 01:27:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-24 01:27:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-24 01:27:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-24 01:27:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 01:27:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 01:27:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 01:27:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:27:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:27:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 01:27:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 01:27:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 01:27:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-24 01:27:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-24 01:27:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-24 01:27:23,314 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:27:23,316 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:27:26,638 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-24 01:27:26,638 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:27:26,649 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:27:26,649 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:27:26,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:27:26 BoogieIcfgContainer [2024-11-24 01:27:26,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:27:26,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:27:26,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:27:26,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:27:26,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:27:22" (1/3) ... [2024-11-24 01:27:26,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b9af48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:27:26, skipping insertion in model container [2024-11-24 01:27:26,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:22" (2/3) ... [2024-11-24 01:27:26,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b9af48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:27:26, skipping insertion in model container [2024-11-24 01:27:26,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:27:26" (3/3) ... [2024-11-24 01:27:26,660 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-15.i [2024-11-24 01:27:26,673 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:27:26,675 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-15.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:27:26,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:27:26,757 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;@70a62f39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:27:26,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:27:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:27:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:27:26,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:26,772 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:26,773 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:26,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:26,778 INFO L85 PathProgramCache]: Analyzing trace with hash 31279224, now seen corresponding path program 1 times [2024-11-24 01:27:26,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:26,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091804200] [2024-11-24 01:27:26,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:26,788 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 [2024-11-24 01:27:26,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:26,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:26,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:27,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:27:27,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-24 01:27:27,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:27,444 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:27,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091804200] [2024-11-24 01:27:27,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091804200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:27,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:27,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:27:27,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216286471] [2024-11-24 01:27:27,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:27,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:27:27,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:27,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:27:27,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:27:27,478 INFO L87 Difference]: Start difference. First operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:27,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:27,520 INFO L93 Difference]: Finished difference Result 219 states and 338 transitions. [2024-11-24 01:27:27,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:27:27,522 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-11-24 01:27:27,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:27,531 INFO L225 Difference]: With dead ends: 219 [2024-11-24 01:27:27,531 INFO L226 Difference]: Without dead ends: 109 [2024-11-24 01:27:27,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:27:27,542 INFO L435 NwaCegarLoop]: 157 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, 157 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 [2024-11-24 01:27:27,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:27:27,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-24 01:27:27,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-24 01:27:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:27:27,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-11-24 01:27:27,597 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 115 [2024-11-24 01:27:27,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:27,598 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-11-24 01:27:27,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-11-24 01:27:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:27:27,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:27,605 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:27,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:27,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:27,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:27,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:27,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1829017178, now seen corresponding path program 1 times [2024-11-24 01:27:27,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:27,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479481900] [2024-11-24 01:27:27,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:27,808 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 [2024-11-24 01:27:27,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:27,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:27,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:28,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:27:28,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 01:27:28,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:28,454 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:28,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479481900] [2024-11-24 01:27:28,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479481900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:28,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:28,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:27:28,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460194236] [2024-11-24 01:27:28,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:28,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:27:28,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:28,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:27:28,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:27:28,459 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:28,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:28,572 INFO L93 Difference]: Finished difference Result 217 states and 314 transitions. [2024-11-24 01:27:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:27:28,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-11-24 01:27:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:28,574 INFO L225 Difference]: With dead ends: 217 [2024-11-24 01:27:28,575 INFO L226 Difference]: Without dead ends: 111 [2024-11-24 01:27:28,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:27:28,576 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:28,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:27:28,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-24 01:27:28,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-24 01:27:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:27:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2024-11-24 01:27:28,592 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 115 [2024-11-24 01:27:28,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:28,594 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2024-11-24 01:27:28,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:28,594 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2024-11-24 01:27:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:27:28,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:28,596 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:28,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:28,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:28,797 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:28,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:28,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1512009960, now seen corresponding path program 1 times [2024-11-24 01:27:28,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:28,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483322706] [2024-11-24 01:27:28,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:28,801 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 [2024-11-24 01:27:28,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:28,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:28,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:29,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:27:29,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:29,987 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 33 treesize of output 15 [2024-11-24 01:27:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-24 01:27:30,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:27:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:30,387 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:30,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483322706] [2024-11-24 01:27:30,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [483322706] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:27:30,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:27:30,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-24 01:27:30,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489001490] [2024-11-24 01:27:30,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:30,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:27:30,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:30,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:27:30,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:27:30,389 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:30,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:30,592 INFO L93 Difference]: Finished difference Result 279 states and 399 transitions. [2024-11-24 01:27:30,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:27:30,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 01:27:30,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:30,616 INFO L225 Difference]: With dead ends: 279 [2024-11-24 01:27:30,616 INFO L226 Difference]: Without dead ends: 171 [2024-11-24 01:27:30,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:27:30,618 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 83 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:30,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 695 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:27:30,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-24 01:27:30,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2024-11-24 01:27:30,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 151 states have (on average 1.403973509933775) internal successors, (212), 152 states have internal predecessors, (212), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 01:27:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 240 transitions. [2024-11-24 01:27:30,643 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 240 transitions. Word has length 115 [2024-11-24 01:27:30,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:30,646 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 240 transitions. [2024-11-24 01:27:30,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 240 transitions. [2024-11-24 01:27:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:27:30,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:30,651 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:30,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 01:27:30,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:30,852 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:30,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:30,853 INFO L85 PathProgramCache]: Analyzing trace with hash 2140893523, now seen corresponding path program 1 times [2024-11-24 01:27:30,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:30,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519804272] [2024-11-24 01:27:30,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:30,854 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 [2024-11-24 01:27:30,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:30,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:30,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:31,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:27:31,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-24 01:27:32,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:27:32,334 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:32,334 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:32,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519804272] [2024-11-24 01:27:32,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519804272] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:27:32,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:27:32,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-24 01:27:32,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980754345] [2024-11-24 01:27:32,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:32,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:27:32,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:32,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:27:32,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:27:32,336 INFO L87 Difference]: Start difference. First operand 168 states and 240 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:32,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:32,544 INFO L93 Difference]: Finished difference Result 340 states and 482 transitions. [2024-11-24 01:27:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:27:32,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 01:27:32,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:32,546 INFO L225 Difference]: With dead ends: 340 [2024-11-24 01:27:32,547 INFO L226 Difference]: Without dead ends: 175 [2024-11-24 01:27:32,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:27:32,548 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 156 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:32,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 454 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:27:32,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-24 01:27:32,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 121. [2024-11-24 01:27:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 106 states have (on average 1.3679245283018868) internal successors, (145), 106 states have internal predecessors, (145), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:27:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 169 transitions. [2024-11-24 01:27:32,571 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 169 transitions. Word has length 115 [2024-11-24 01:27:32,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:32,571 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 169 transitions. [2024-11-24 01:27:32,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:32,573 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2024-11-24 01:27:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:27:32,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:32,577 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:32,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 01:27:32,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:32,778 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:32,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:32,778 INFO L85 PathProgramCache]: Analyzing trace with hash 451949781, now seen corresponding path program 1 times [2024-11-24 01:27:32,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:32,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180882280] [2024-11-24 01:27:32,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:32,779 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 [2024-11-24 01:27:32,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:32,781 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:32,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:33,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:27:33,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:33,813 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:33,813 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:33,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180882280] [2024-11-24 01:27:33,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180882280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:33,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:33,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:27:33,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990856444] [2024-11-24 01:27:33,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:33,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:27:33,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:33,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:27:33,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:27:33,815 INFO L87 Difference]: Start difference. First operand 121 states and 169 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:33,934 INFO L93 Difference]: Finished difference Result 356 states and 500 transitions. [2024-11-24 01:27:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:27:33,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 01:27:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:33,937 INFO L225 Difference]: With dead ends: 356 [2024-11-24 01:27:33,937 INFO L226 Difference]: Without dead ends: 238 [2024-11-24 01:27:33,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:27:33,938 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 91 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:33,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 440 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:27:33,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-24 01:27:33,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 228. [2024-11-24 01:27:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 199 states have (on average 1.3718592964824121) internal successors, (273), 199 states have internal predecessors, (273), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:27:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 321 transitions. [2024-11-24 01:27:33,958 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 321 transitions. Word has length 115 [2024-11-24 01:27:33,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:33,958 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 321 transitions. [2024-11-24 01:27:33,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 321 transitions. [2024-11-24 01:27:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 01:27:33,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:33,960 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:33,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-24 01:27:34,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:34,161 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:34,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:34,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1750063971, now seen corresponding path program 1 times [2024-11-24 01:27:34,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:34,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012813842] [2024-11-24 01:27:34,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:34,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:34,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:34,165 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:34,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:34,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:27:34,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-24 01:27:35,260 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:27:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:35,507 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:35,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012813842] [2024-11-24 01:27:35,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012813842] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:27:35,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:27:35,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-24 01:27:35,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543794129] [2024-11-24 01:27:35,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:35,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:27:35,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:35,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:27:35,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:27:35,509 INFO L87 Difference]: Start difference. First operand 228 states and 321 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:35,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:35,726 INFO L93 Difference]: Finished difference Result 517 states and 725 transitions. [2024-11-24 01:27:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:27:35,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-11-24 01:27:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:35,730 INFO L225 Difference]: With dead ends: 517 [2024-11-24 01:27:35,731 INFO L226 Difference]: Without dead ends: 292 [2024-11-24 01:27:35,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:27:35,732 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 71 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:35,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 593 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:27:35,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-24 01:27:35,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 239. [2024-11-24 01:27:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 210 states have (on average 1.3761904761904762) internal successors, (289), 210 states have internal predecessors, (289), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:27:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 337 transitions. [2024-11-24 01:27:35,770 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 337 transitions. Word has length 116 [2024-11-24 01:27:35,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:35,771 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 337 transitions. [2024-11-24 01:27:35,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 337 transitions. [2024-11-24 01:27:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 01:27:35,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:35,774 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:35,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 01:27:35,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:35,975 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:35,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:35,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1491898533, now seen corresponding path program 1 times [2024-11-24 01:27:35,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:35,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95258176] [2024-11-24 01:27:35,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:35,976 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 [2024-11-24 01:27:35,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:35,978 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:35,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:36,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:27:36,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:37,020 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:37,020 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:37,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95258176] [2024-11-24 01:27:37,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95258176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:37,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:37,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:27:37,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300775212] [2024-11-24 01:27:37,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:37,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:27:37,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:37,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:27:37,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:27:37,022 INFO L87 Difference]: Start difference. First operand 239 states and 337 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:37,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:37,142 INFO L93 Difference]: Finished difference Result 486 states and 684 transitions. [2024-11-24 01:27:37,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:27:37,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-11-24 01:27:37,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:37,145 INFO L225 Difference]: With dead ends: 486 [2024-11-24 01:27:37,147 INFO L226 Difference]: Without dead ends: 250 [2024-11-24 01:27:37,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:27:37,148 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 81 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:37,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 516 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:27:37,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-24 01:27:37,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 240. [2024-11-24 01:27:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 211 states have (on average 1.3696682464454977) internal successors, (289), 211 states have internal predecessors, (289), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:27:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 337 transitions. [2024-11-24 01:27:37,170 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 337 transitions. Word has length 116 [2024-11-24 01:27:37,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:37,172 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 337 transitions. [2024-11-24 01:27:37,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2024-11-24 01:27:37,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 01:27:37,174 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:37,174 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:37,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 01:27:37,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:37,375 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:37,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:37,375 INFO L85 PathProgramCache]: Analyzing trace with hash 635553891, now seen corresponding path program 1 times [2024-11-24 01:27:37,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:37,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888870771] [2024-11-24 01:27:37,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:37,376 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 [2024-11-24 01:27:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:37,377 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:37,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:37,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:27:37,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-24 01:27:38,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:27:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:38,716 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:38,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888870771] [2024-11-24 01:27:38,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888870771] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:27:38,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:27:38,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2024-11-24 01:27:38,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450075685] [2024-11-24 01:27:38,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:38,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:27:38,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:38,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:27:38,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:27:38,718 INFO L87 Difference]: Start difference. First operand 240 states and 337 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:38,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:38,919 INFO L93 Difference]: Finished difference Result 423 states and 588 transitions. [2024-11-24 01:27:38,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:27:38,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-11-24 01:27:38,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:38,921 INFO L225 Difference]: With dead ends: 423 [2024-11-24 01:27:38,921 INFO L226 Difference]: Without dead ends: 292 [2024-11-24 01:27:38,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:27:38,923 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 78 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:38,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 678 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:27:38,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-24 01:27:38,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 239. [2024-11-24 01:27:38,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 210 states have (on average 1.361904761904762) internal successors, (286), 210 states have internal predecessors, (286), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:27:38,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 334 transitions. [2024-11-24 01:27:38,944 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 334 transitions. Word has length 117 [2024-11-24 01:27:38,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:38,944 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 334 transitions. [2024-11-24 01:27:38,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 334 transitions. [2024-11-24 01:27:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 01:27:38,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:38,946 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:38,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:39,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:39,147 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:39,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:39,148 INFO L85 PathProgramCache]: Analyzing trace with hash -597730802, now seen corresponding path program 1 times [2024-11-24 01:27:39,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:39,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556939625] [2024-11-24 01:27:39,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:39,149 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 [2024-11-24 01:27:39,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:39,151 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:39,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:39,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:27:39,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-24 01:27:40,222 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:27:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:40,367 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:40,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556939625] [2024-11-24 01:27:40,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556939625] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:27:40,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:27:40,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-24 01:27:40,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147791420] [2024-11-24 01:27:40,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:40,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:27:40,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:40,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:27:40,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:27:40,368 INFO L87 Difference]: Start difference. First operand 239 states and 334 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:40,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:40,543 INFO L93 Difference]: Finished difference Result 420 states and 581 transitions. [2024-11-24 01:27:40,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:27:40,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-11-24 01:27:40,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:40,547 INFO L225 Difference]: With dead ends: 420 [2024-11-24 01:27:40,548 INFO L226 Difference]: Without dead ends: 290 [2024-11-24 01:27:40,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:27:40,552 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 77 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:40,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 659 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:27:40,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-24 01:27:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 237. [2024-11-24 01:27:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 208 states have (on average 1.3509615384615385) internal successors, (281), 208 states have internal predecessors, (281), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:27:40,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 329 transitions. [2024-11-24 01:27:40,571 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 329 transitions. Word has length 117 [2024-11-24 01:27:40,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:40,572 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 329 transitions. [2024-11-24 01:27:40,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:40,572 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 329 transitions. [2024-11-24 01:27:40,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 01:27:40,573 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:40,573 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:40,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:40,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:40,778 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:40,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1309316045, now seen corresponding path program 1 times [2024-11-24 01:27:40,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:40,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755178003] [2024-11-24 01:27:40,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:40,779 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 [2024-11-24 01:27:40,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:40,780 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:40,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:41,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:27:41,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-24 01:27:41,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:27:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:42,115 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:42,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755178003] [2024-11-24 01:27:42,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755178003] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:27:42,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:27:42,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2024-11-24 01:27:42,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246409821] [2024-11-24 01:27:42,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:42,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:27:42,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:42,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:27:42,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:27:42,117 INFO L87 Difference]: Start difference. First operand 237 states and 329 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:42,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:42,319 INFO L93 Difference]: Finished difference Result 417 states and 573 transitions. [2024-11-24 01:27:42,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:27:42,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 01:27:42,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:42,322 INFO L225 Difference]: With dead ends: 417 [2024-11-24 01:27:42,322 INFO L226 Difference]: Without dead ends: 289 [2024-11-24 01:27:42,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:27:42,323 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 131 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:42,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 532 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:27:42,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-24 01:27:42,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 237. [2024-11-24 01:27:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 208 states have (on average 1.3461538461538463) internal successors, (280), 208 states have internal predecessors, (280), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:27:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 328 transitions. [2024-11-24 01:27:42,338 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 328 transitions. Word has length 118 [2024-11-24 01:27:42,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:42,339 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 328 transitions. [2024-11-24 01:27:42,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 328 transitions. [2024-11-24 01:27:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 01:27:42,340 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:42,340 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:42,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:42,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:42,541 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:42,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:42,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1182721453, now seen corresponding path program 1 times [2024-11-24 01:27:42,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:42,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705105585] [2024-11-24 01:27:42,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:42,542 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 [2024-11-24 01:27:42,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:42,544 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:42,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:43,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:27:43,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:43,017 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 [2024-11-24 01:27:43,079 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 43 treesize of output 25 [2024-11-24 01:27:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:43,134 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:43,134 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:43,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705105585] [2024-11-24 01:27:43,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705105585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:43,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:43,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:27:43,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809894615] [2024-11-24 01:27:43,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:43,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:27:43,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:43,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:27:43,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:27:43,136 INFO L87 Difference]: Start difference. First operand 237 states and 328 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:43,480 INFO L93 Difference]: Finished difference Result 711 states and 986 transitions. [2024-11-24 01:27:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:27:43,481 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 01:27:43,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:43,484 INFO L225 Difference]: With dead ends: 711 [2024-11-24 01:27:43,484 INFO L226 Difference]: Without dead ends: 477 [2024-11-24 01:27:43,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:27:43,485 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 146 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:43,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1170 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:27:43,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-24 01:27:43,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 475. [2024-11-24 01:27:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 418 states have (on average 1.3444976076555024) internal successors, (562), 418 states have internal predecessors, (562), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:27:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 658 transitions. [2024-11-24 01:27:43,520 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 658 transitions. Word has length 118 [2024-11-24 01:27:43,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:43,520 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 658 transitions. [2024-11-24 01:27:43,521 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 658 transitions. [2024-11-24 01:27:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 01:27:43,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:43,522 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:43,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:43,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:43,723 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:43,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:43,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1338774032, now seen corresponding path program 1 times [2024-11-24 01:27:43,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:43,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378638057] [2024-11-24 01:27:43,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:43,724 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 [2024-11-24 01:27:43,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:43,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:43,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:44,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:27:44,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:45,219 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 13 treesize of output 11 [2024-11-24 01:27:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:45,341 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:45,341 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:45,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378638057] [2024-11-24 01:27:45,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378638057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:45,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:45,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:27:45,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807544478] [2024-11-24 01:27:45,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:45,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:27:45,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:45,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:27:45,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:27:45,342 INFO L87 Difference]: Start difference. First operand 475 states and 658 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:46,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:46,306 INFO L93 Difference]: Finished difference Result 1082 states and 1490 transitions. [2024-11-24 01:27:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:27:46,306 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-11-24 01:27:46,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:46,309 INFO L225 Difference]: With dead ends: 1082 [2024-11-24 01:27:46,309 INFO L226 Difference]: Without dead ends: 610 [2024-11-24 01:27:46,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:27:46,312 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 338 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:46,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 1112 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:27:46,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-24 01:27:46,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 482. [2024-11-24 01:27:46,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 425 states have (on average 1.3388235294117647) internal successors, (569), 425 states have internal predecessors, (569), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:27:46,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 665 transitions. [2024-11-24 01:27:46,349 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 665 transitions. Word has length 119 [2024-11-24 01:27:46,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:46,350 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 665 transitions. [2024-11-24 01:27:46,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:46,350 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 665 transitions. [2024-11-24 01:27:46,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 01:27:46,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:46,352 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:46,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-24 01:27:46,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:46,552 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:46,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:46,553 INFO L85 PathProgramCache]: Analyzing trace with hash 829300942, now seen corresponding path program 1 times [2024-11-24 01:27:46,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:46,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734891020] [2024-11-24 01:27:46,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:46,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:46,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:46,555 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:46,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:47,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:27:47,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:47,452 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 15 treesize of output 7 [2024-11-24 01:27:47,487 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 01:27:47,487 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:47,487 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:47,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734891020] [2024-11-24 01:27:47,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734891020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:47,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:47,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:27:47,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578282057] [2024-11-24 01:27:47,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:47,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:27:47,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:47,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:27:47,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:27:47,488 INFO L87 Difference]: Start difference. First operand 482 states and 665 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:48,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:48,345 INFO L93 Difference]: Finished difference Result 1031 states and 1411 transitions. [2024-11-24 01:27:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:27:48,346 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-24 01:27:48,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:48,349 INFO L225 Difference]: With dead ends: 1031 [2024-11-24 01:27:48,349 INFO L226 Difference]: Without dead ends: 552 [2024-11-24 01:27:48,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:27:48,350 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 309 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:48,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 953 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:27:48,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-24 01:27:48,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 434. [2024-11-24 01:27:48,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 375 states have (on average 1.3253333333333333) internal successors, (497), 375 states have internal predecessors, (497), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:27:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 593 transitions. [2024-11-24 01:27:48,392 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 593 transitions. Word has length 119 [2024-11-24 01:27:48,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:48,393 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 593 transitions. [2024-11-24 01:27:48,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 593 transitions. [2024-11-24 01:27:48,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 01:27:48,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:48,394 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:48,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:48,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:48,595 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:48,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:48,596 INFO L85 PathProgramCache]: Analyzing trace with hash 751755826, now seen corresponding path program 1 times [2024-11-24 01:27:48,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:48,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628364421] [2024-11-24 01:27:48,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:48,596 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 [2024-11-24 01:27:48,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:48,600 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:48,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:49,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:27:49,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:49,969 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 13 treesize of output 11 [2024-11-24 01:27:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:27:50,162 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:50,162 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:50,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628364421] [2024-11-24 01:27:50,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628364421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:50,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:50,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:27:50,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696342551] [2024-11-24 01:27:50,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:50,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:27:50,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:50,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:27:50,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:27:50,163 INFO L87 Difference]: Start difference. First operand 434 states and 593 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:50,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:50,988 INFO L93 Difference]: Finished difference Result 814 states and 1109 transitions. [2024-11-24 01:27:50,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:27:50,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-11-24 01:27:50,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:50,991 INFO L225 Difference]: With dead ends: 814 [2024-11-24 01:27:50,991 INFO L226 Difference]: Without dead ends: 445 [2024-11-24 01:27:50,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:27:50,993 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 185 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:50,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 994 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:27:50,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-24 01:27:51,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 429. [2024-11-24 01:27:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 370 states have (on average 1.3216216216216217) internal successors, (489), 370 states have internal predecessors, (489), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:27:51,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 585 transitions. [2024-11-24 01:27:51,024 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 585 transitions. Word has length 120 [2024-11-24 01:27:51,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:51,027 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 585 transitions. [2024-11-24 01:27:51,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:27:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 585 transitions. [2024-11-24 01:27:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 01:27:51,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:51,029 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:51,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:51,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:51,229 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:51,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:51,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2118823200, now seen corresponding path program 1 times [2024-11-24 01:27:51,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:51,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337363486] [2024-11-24 01:27:51,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:51,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:51,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:51,234 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:51,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:51,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:27:51,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:51,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:27:51,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-24 01:27:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 01:27:52,038 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:52,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:52,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337363486] [2024-11-24 01:27:52,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337363486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:52,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:52,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:27:52,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935422274] [2024-11-24 01:27:52,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:52,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:27:52,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:52,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:27:52,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:27:52,040 INFO L87 Difference]: Start difference. First operand 429 states and 585 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:55,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:55,099 INFO L93 Difference]: Finished difference Result 840 states and 1146 transitions. [2024-11-24 01:27:55,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:27:55,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-11-24 01:27:55,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:55,109 INFO L225 Difference]: With dead ends: 840 [2024-11-24 01:27:55,109 INFO L226 Difference]: Without dead ends: 433 [2024-11-24 01:27:55,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:27:55,111 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 137 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:55,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 487 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-24 01:27:55,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-24 01:27:55,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 429. [2024-11-24 01:27:55,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 370 states have (on average 1.3108108108108107) internal successors, (485), 370 states have internal predecessors, (485), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:27:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 581 transitions. [2024-11-24 01:27:55,139 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 581 transitions. Word has length 121 [2024-11-24 01:27:55,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:55,139 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 581 transitions. [2024-11-24 01:27:55,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 581 transitions. [2024-11-24 01:27:55,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 01:27:55,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:55,141 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:55,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:55,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:55,342 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:55,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:55,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1655912860, now seen corresponding path program 1 times [2024-11-24 01:27:55,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:55,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493523493] [2024-11-24 01:27:55,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:55,343 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 [2024-11-24 01:27:55,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:55,347 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:55,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:55,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:27:55,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 01:27:55,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:55,913 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:55,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493523493] [2024-11-24 01:27:55,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493523493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:55,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:55,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:27:55,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620709676] [2024-11-24 01:27:55,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:55,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:27:55,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:55,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:27:55,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:27:55,914 INFO L87 Difference]: Start difference. First operand 429 states and 581 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:27:56,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:56,156 INFO L93 Difference]: Finished difference Result 859 states and 1161 transitions. [2024-11-24 01:27:56,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:27:56,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 123 [2024-11-24 01:27:56,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:56,159 INFO L225 Difference]: With dead ends: 859 [2024-11-24 01:27:56,160 INFO L226 Difference]: Without dead ends: 445 [2024-11-24 01:27:56,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:27:56,161 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:56,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 669 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:27:56,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-24 01:27:56,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 429. [2024-11-24 01:27:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 370 states have (on average 1.3) internal successors, (481), 370 states have internal predecessors, (481), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:27:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 577 transitions. [2024-11-24 01:27:56,192 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 577 transitions. Word has length 123 [2024-11-24 01:27:56,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:56,192 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 577 transitions. [2024-11-24 01:27:56,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:27:56,193 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 577 transitions. [2024-11-24 01:27:56,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 01:27:56,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:56,194 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:27:56,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:56,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:27:56,394 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:56,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:56,395 INFO L85 PathProgramCache]: Analyzing trace with hash -698472422, now seen corresponding path program 1 times [2024-11-24 01:27:56,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:27:56,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427499190] [2024-11-24 01:27:56,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:56,396 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 [2024-11-24 01:27:56,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:27:56,400 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:27:56,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:27:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:27:56,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:27:56,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:27:57,096 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:27:57,096 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 173 treesize of output 65 [2024-11-24 01:27:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-24 01:27:57,132 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:27:57,132 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:27:57,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427499190] [2024-11-24 01:27:57,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427499190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:27:57,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:27:57,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:27:57,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390499481] [2024-11-24 01:27:57,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:27:57,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:27:57,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:27:57,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:27:57,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:27:57,134 INFO L87 Difference]: Start difference. First operand 429 states and 577 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:27:59,947 INFO L93 Difference]: Finished difference Result 833 states and 1121 transitions. [2024-11-24 01:27:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:27:59,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-11-24 01:27:59,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:27:59,955 INFO L225 Difference]: With dead ends: 833 [2024-11-24 01:27:59,955 INFO L226 Difference]: Without dead ends: 433 [2024-11-24 01:27:59,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:27:59,957 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 126 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:27:59,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 479 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 01:27:59,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-24 01:27:59,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 429. [2024-11-24 01:27:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 370 states have (on average 1.2891891891891891) internal successors, (477), 370 states have internal predecessors, (477), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:27:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 573 transitions. [2024-11-24 01:27:59,989 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 573 transitions. Word has length 123 [2024-11-24 01:27:59,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:27:59,989 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 573 transitions. [2024-11-24 01:27:59,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:27:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 573 transitions. [2024-11-24 01:27:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 01:27:59,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:59,991 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:00,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:00,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:00,191 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:00,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:00,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1564786080, now seen corresponding path program 1 times [2024-11-24 01:28:00,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:00,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721634126] [2024-11-24 01:28:00,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:00,192 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 [2024-11-24 01:28:00,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:00,196 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:00,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:00,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:28:00,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:00,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:28:00,984 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 173 treesize of output 65 [2024-11-24 01:28:01,021 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 01:28:01,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:01,021 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:01,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721634126] [2024-11-24 01:28:01,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721634126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:01,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:01,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:01,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377803938] [2024-11-24 01:28:01,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:01,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:28:01,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:01,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:28:01,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:28:01,023 INFO L87 Difference]: Start difference. First operand 429 states and 573 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:28:04,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:04,377 INFO L93 Difference]: Finished difference Result 820 states and 1097 transitions. [2024-11-24 01:28:04,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:28:04,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2024-11-24 01:28:04,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:04,384 INFO L225 Difference]: With dead ends: 820 [2024-11-24 01:28:04,384 INFO L226 Difference]: Without dead ends: 429 [2024-11-24 01:28:04,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:28:04,387 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 119 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:04,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 475 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-24 01:28:04,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-24 01:28:04,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 421. [2024-11-24 01:28:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 362 states have (on average 1.2845303867403315) internal successors, (465), 362 states have internal predecessors, (465), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:28:04,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 561 transitions. [2024-11-24 01:28:04,415 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 561 transitions. Word has length 125 [2024-11-24 01:28:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:04,415 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 561 transitions. [2024-11-24 01:28:04,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:28:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 561 transitions. [2024-11-24 01:28:04,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:28:04,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:04,418 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:04,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 01:28:04,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:04,619 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:04,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:04,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1245144600, now seen corresponding path program 1 times [2024-11-24 01:28:04,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:04,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845621067] [2024-11-24 01:28:04,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:04,620 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 [2024-11-24 01:28:04,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:04,621 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:04,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:05,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:28:05,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:05,496 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:28:05,496 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 172 treesize of output 64 [2024-11-24 01:28:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 24 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-24 01:28:05,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:28:05,926 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:28:05,926 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 110 treesize of output 1 [2024-11-24 01:28:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 01:28:05,961 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:05,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845621067] [2024-11-24 01:28:05,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845621067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:28:05,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:28:05,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-24 01:28:05,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135373112] [2024-11-24 01:28:05,962 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:28:05,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 01:28:05,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:05,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 01:28:05,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:28:05,963 INFO L87 Difference]: Start difference. First operand 421 states and 561 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-24 01:28:10,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:10,205 INFO L93 Difference]: Finished difference Result 865 states and 1142 transitions. [2024-11-24 01:28:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 01:28:10,212 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 127 [2024-11-24 01:28:10,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:10,215 INFO L225 Difference]: With dead ends: 865 [2024-11-24 01:28:10,215 INFO L226 Difference]: Without dead ends: 437 [2024-11-24 01:28:10,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:28:10,216 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 133 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:10,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 629 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-24 01:28:10,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-24 01:28:10,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 421. [2024-11-24 01:28:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 362 states have (on average 1.2624309392265194) internal successors, (457), 362 states have internal predecessors, (457), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:28:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 553 transitions. [2024-11-24 01:28:10,254 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 553 transitions. Word has length 127 [2024-11-24 01:28:10,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:10,254 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 553 transitions. [2024-11-24 01:28:10,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 4 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-24 01:28:10,255 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 553 transitions. [2024-11-24 01:28:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:28:10,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:10,256 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:10,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:10,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:10,456 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:10,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:10,457 INFO L85 PathProgramCache]: Analyzing trace with hash -972485798, now seen corresponding path program 1 times [2024-11-24 01:28:10,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:10,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71986891] [2024-11-24 01:28:10,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:10,457 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 [2024-11-24 01:28:10,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:10,461 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:10,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:11,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:28:11,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:11,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:28:11,259 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 173 treesize of output 65 [2024-11-24 01:28:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-24 01:28:11,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:11,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:11,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71986891] [2024-11-24 01:28:11,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71986891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:11,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:11,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:11,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422869132] [2024-11-24 01:28:11,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:11,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:28:11,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:11,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:28:11,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:28:11,296 INFO L87 Difference]: Start difference. First operand 421 states and 553 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:28:14,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:14,220 INFO L93 Difference]: Finished difference Result 803 states and 1055 transitions. [2024-11-24 01:28:14,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:28:14,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2024-11-24 01:28:14,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:14,227 INFO L225 Difference]: With dead ends: 803 [2024-11-24 01:28:14,228 INFO L226 Difference]: Without dead ends: 425 [2024-11-24 01:28:14,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:28:14,229 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 106 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:14,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 460 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-24 01:28:14,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-24 01:28:14,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 421. [2024-11-24 01:28:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 362 states have (on average 1.2513812154696133) internal successors, (453), 362 states have internal predecessors, (453), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 01:28:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 549 transitions. [2024-11-24 01:28:14,264 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 549 transitions. Word has length 127 [2024-11-24 01:28:14,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:14,264 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 549 transitions. [2024-11-24 01:28:14,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:28:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 549 transitions. [2024-11-24 01:28:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:28:14,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:14,266 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:14,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 01:28:14,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:14,467 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:14,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1156970592, now seen corresponding path program 1 times [2024-11-24 01:28:14,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:14,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702537397] [2024-11-24 01:28:14,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:14,468 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 [2024-11-24 01:28:14,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:14,470 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:14,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:15,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-24 01:28:15,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:17,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-24 01:28:17,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-24 01:28:17,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 24 [2024-11-24 01:28:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-24 01:28:18,532 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:28:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:28:19,160 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:19,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702537397] [2024-11-24 01:28:19,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702537397] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:28:19,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:28:19,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [22] total 27 [2024-11-24 01:28:19,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148627027] [2024-11-24 01:28:19,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:19,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:28:19,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:19,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:28:19,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2024-11-24 01:28:19,163 INFO L87 Difference]: Start difference. First operand 421 states and 549 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:19,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:19,705 INFO L93 Difference]: Finished difference Result 883 states and 1166 transitions. [2024-11-24 01:28:19,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:28:19,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 129 [2024-11-24 01:28:19,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:19,709 INFO L225 Difference]: With dead ends: 883 [2024-11-24 01:28:19,709 INFO L226 Difference]: Without dead ends: 630 [2024-11-24 01:28:19,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2024-11-24 01:28:19,711 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 234 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:19,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 762 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:28:19,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-24 01:28:19,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 266. [2024-11-24 01:28:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 236 states have (on average 1.271186440677966) internal successors, (300), 236 states have internal predecessors, (300), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:28:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 348 transitions. [2024-11-24 01:28:19,750 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 348 transitions. Word has length 129 [2024-11-24 01:28:19,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:19,751 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 348 transitions. [2024-11-24 01:28:19,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:19,751 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 348 transitions. [2024-11-24 01:28:19,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:28:19,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:19,753 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:19,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-24 01:28:19,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:19,954 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:19,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:19,954 INFO L85 PathProgramCache]: Analyzing trace with hash 434288486, now seen corresponding path program 1 times [2024-11-24 01:28:19,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:19,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337759768] [2024-11-24 01:28:19,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:19,955 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 [2024-11-24 01:28:19,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:19,957 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:19,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:20,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-24 01:28:20,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:22,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-24 01:28:22,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-24 01:28:22,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 24 [2024-11-24 01:28:24,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:28:24,018 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 65 treesize of output 31 [2024-11-24 01:28:24,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2024-11-24 01:28:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-24 01:28:24,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:28:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:28:24,822 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:24,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337759768] [2024-11-24 01:28:24,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337759768] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:28:24,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:28:24,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [23] total 28 [2024-11-24 01:28:24,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667241374] [2024-11-24 01:28:24,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:24,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:28:24,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:24,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:28:24,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=627, Unknown=0, NotChecked=0, Total=756 [2024-11-24 01:28:24,823 INFO L87 Difference]: Start difference. First operand 266 states and 348 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:25,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:25,437 INFO L93 Difference]: Finished difference Result 512 states and 675 transitions. [2024-11-24 01:28:25,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:28:25,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 130 [2024-11-24 01:28:25,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:25,444 INFO L225 Difference]: With dead ends: 512 [2024-11-24 01:28:25,444 INFO L226 Difference]: Without dead ends: 354 [2024-11-24 01:28:25,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2024-11-24 01:28:25,447 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 230 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:25,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 522 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:28:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-24 01:28:25,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 266. [2024-11-24 01:28:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 236 states have (on average 1.2669491525423728) internal successors, (299), 236 states have internal predecessors, (299), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:28:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 347 transitions. [2024-11-24 01:28:25,469 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 347 transitions. Word has length 130 [2024-11-24 01:28:25,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:25,469 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 347 transitions. [2024-11-24 01:28:25,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 347 transitions. [2024-11-24 01:28:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:28:25,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:25,471 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:25,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:25,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:25,671 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:25,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:25,672 INFO L85 PathProgramCache]: Analyzing trace with hash 888213510, now seen corresponding path program 1 times [2024-11-24 01:28:25,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:25,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807354298] [2024-11-24 01:28:25,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:25,672 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 [2024-11-24 01:28:25,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:25,674 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:25,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:26,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:28:26,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-24 01:28:26,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:28:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:28:26,974 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:26,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807354298] [2024-11-24 01:28:26,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807354298] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:28:26,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:28:26,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-24 01:28:26,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747787161] [2024-11-24 01:28:26,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:26,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:26,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:26,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:26,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:28:26,976 INFO L87 Difference]: Start difference. First operand 266 states and 347 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:27,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:27,133 INFO L93 Difference]: Finished difference Result 581 states and 756 transitions. [2024-11-24 01:28:27,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:27,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 130 [2024-11-24 01:28:27,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:27,136 INFO L225 Difference]: With dead ends: 581 [2024-11-24 01:28:27,136 INFO L226 Difference]: Without dead ends: 318 [2024-11-24 01:28:27,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:28:27,137 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 112 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:27,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 438 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:28:27,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-24 01:28:27,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 275. [2024-11-24 01:28:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 245 states have (on average 1.2612244897959184) internal successors, (309), 245 states have internal predecessors, (309), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:28:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 357 transitions. [2024-11-24 01:28:27,168 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 357 transitions. Word has length 130 [2024-11-24 01:28:27,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:27,169 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 357 transitions. [2024-11-24 01:28:27,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:27,169 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 357 transitions. [2024-11-24 01:28:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:28:27,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:27,171 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:27,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:27,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:27,372 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:27,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:27,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1288643389, now seen corresponding path program 1 times [2024-11-24 01:28:27,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:27,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1691436517] [2024-11-24 01:28:27,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:27,373 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 [2024-11-24 01:28:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:27,375 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:27,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:28,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:28:28,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:28,344 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 [2024-11-24 01:28:28,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 11 [2024-11-24 01:28:28,681 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 15 treesize of output 7 [2024-11-24 01:28:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 01:28:28,713 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:28,713 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:28,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1691436517] [2024-11-24 01:28:28,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1691436517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:28,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:28,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:28:28,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954970862] [2024-11-24 01:28:28,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:28,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:28:28,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:28,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:28:28,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:28:28,715 INFO L87 Difference]: Start difference. First operand 275 states and 357 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:28:29,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:29,607 INFO L93 Difference]: Finished difference Result 619 states and 802 transitions. [2024-11-24 01:28:29,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:28:29,609 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2024-11-24 01:28:29,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:29,611 INFO L225 Difference]: With dead ends: 619 [2024-11-24 01:28:29,611 INFO L226 Difference]: Without dead ends: 347 [2024-11-24 01:28:29,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:28:29,613 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 341 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:29,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 783 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:28:29,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-24 01:28:29,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 316. [2024-11-24 01:28:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 286 states have (on average 1.2622377622377623) internal successors, (361), 286 states have internal predecessors, (361), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:28:29,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 409 transitions. [2024-11-24 01:28:29,635 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 409 transitions. Word has length 130 [2024-11-24 01:28:29,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:29,636 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 409 transitions. [2024-11-24 01:28:29,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:28:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 409 transitions. [2024-11-24 01:28:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:28:29,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:29,637 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:29,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:29,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:29,837 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:29,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:29,838 INFO L85 PathProgramCache]: Analyzing trace with hash 587578811, now seen corresponding path program 1 times [2024-11-24 01:28:29,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:29,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517859979] [2024-11-24 01:28:29,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:29,838 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 [2024-11-24 01:28:29,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:29,840 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:29,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:30,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:28:30,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:30,803 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 13 treesize of output 11 [2024-11-24 01:28:31,099 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:28:31,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:31,099 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:31,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517859979] [2024-11-24 01:28:31,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517859979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:31,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:31,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:28:31,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740272020] [2024-11-24 01:28:31,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:31,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:28:31,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:31,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:28:31,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:28:31,104 INFO L87 Difference]: Start difference. First operand 316 states and 409 transitions. Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:32,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:32,424 INFO L93 Difference]: Finished difference Result 720 states and 927 transitions. [2024-11-24 01:28:32,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:28:32,425 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 130 [2024-11-24 01:28:32,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:32,427 INFO L225 Difference]: With dead ends: 720 [2024-11-24 01:28:32,427 INFO L226 Difference]: Without dead ends: 407 [2024-11-24 01:28:32,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:28:32,428 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 262 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:32,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1747 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:28:32,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-24 01:28:32,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 316. [2024-11-24 01:28:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 286 states have (on average 1.2587412587412588) internal successors, (360), 286 states have internal predecessors, (360), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 01:28:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 408 transitions. [2024-11-24 01:28:32,450 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 408 transitions. Word has length 130 [2024-11-24 01:28:32,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:32,451 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 408 transitions. [2024-11-24 01:28:32,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:32,451 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 408 transitions. [2024-11-24 01:28:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:28:32,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:32,452 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:32,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-24 01:28:32,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:32,653 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:32,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:32,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1424403611, now seen corresponding path program 1 times [2024-11-24 01:28:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:32,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344521700] [2024-11-24 01:28:32,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:32,654 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 [2024-11-24 01:28:32,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:32,658 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:32,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:33,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-24 01:28:33,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:35,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-24 01:28:35,362 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 [2024-11-24 01:28:35,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 24 [2024-11-24 01:28:35,618 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 26 treesize of output 18 [2024-11-24 01:28:35,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:28:35,777 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 53 treesize of output 23 [2024-11-24 01:28:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:28:35,895 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:35,895 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:35,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344521700] [2024-11-24 01:28:35,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1344521700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:35,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:35,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 01:28:35,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662261390] [2024-11-24 01:28:35,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:35,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 01:28:35,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:35,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 01:28:35,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:28:35,898 INFO L87 Difference]: Start difference. First operand 316 states and 408 transitions. Second operand has 19 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:28:39,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:39,303 INFO L93 Difference]: Finished difference Result 607 states and 784 transitions. [2024-11-24 01:28:39,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-24 01:28:39,304 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 131 [2024-11-24 01:28:39,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:39,306 INFO L225 Difference]: With dead ends: 607 [2024-11-24 01:28:39,306 INFO L226 Difference]: Without dead ends: 420 [2024-11-24 01:28:39,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=143, Invalid=669, Unknown=0, NotChecked=0, Total=812 [2024-11-24 01:28:39,308 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 321 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:39,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 2338 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-24 01:28:39,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-24 01:28:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 411. [2024-11-24 01:28:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 368 states have (on average 1.247282608695652) internal successors, (459), 369 states have internal predecessors, (459), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:28:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 527 transitions. [2024-11-24 01:28:39,346 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 527 transitions. Word has length 131 [2024-11-24 01:28:39,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:39,346 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 527 transitions. [2024-11-24 01:28:39,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:28:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 527 transitions. [2024-11-24 01:28:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:28:39,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:39,349 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:39,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:39,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:39,554 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:39,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:39,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1933876701, now seen corresponding path program 1 times [2024-11-24 01:28:39,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:39,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910761215] [2024-11-24 01:28:39,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:39,555 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 [2024-11-24 01:28:39,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:39,557 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:39,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:40,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-24 01:28:40,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:41,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-24 01:28:41,674 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 [2024-11-24 01:28:41,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 [2024-11-24 01:28:41,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-24 01:28:42,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:28:42,135 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 60 treesize of output 26 [2024-11-24 01:28:42,277 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:28:42,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:42,277 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:42,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910761215] [2024-11-24 01:28:42,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910761215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:42,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:42,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 01:28:42,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917612826] [2024-11-24 01:28:42,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:42,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 01:28:42,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:42,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 01:28:42,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:28:42,279 INFO L87 Difference]: Start difference. First operand 411 states and 527 transitions. Second operand has 19 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:28:45,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:45,190 INFO L93 Difference]: Finished difference Result 662 states and 853 transitions. [2024-11-24 01:28:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-24 01:28:45,191 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 131 [2024-11-24 01:28:45,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:45,194 INFO L225 Difference]: With dead ends: 662 [2024-11-24 01:28:45,194 INFO L226 Difference]: Without dead ends: 475 [2024-11-24 01:28:45,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=143, Invalid=669, Unknown=0, NotChecked=0, Total=812 [2024-11-24 01:28:45,196 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 354 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:45,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1664 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-24 01:28:45,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-24 01:28:45,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 375. [2024-11-24 01:28:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 332 states have (on average 1.2409638554216869) internal successors, (412), 333 states have internal predecessors, (412), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:28:45,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 480 transitions. [2024-11-24 01:28:45,233 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 480 transitions. Word has length 131 [2024-11-24 01:28:45,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:45,233 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 480 transitions. [2024-11-24 01:28:45,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:28:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 480 transitions. [2024-11-24 01:28:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:28:45,234 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:45,234 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:45,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:45,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:45,435 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:45,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:45,435 INFO L85 PathProgramCache]: Analyzing trace with hash -784829766, now seen corresponding path program 1 times [2024-11-24 01:28:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:45,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215879094] [2024-11-24 01:28:45,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:45,436 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 [2024-11-24 01:28:45,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:45,438 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:45,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:46,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 01:28:46,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:46,506 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 [2024-11-24 01:28:47,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-24 01:28:47,713 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:28:47,713 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 54 treesize of output 22 [2024-11-24 01:28:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:28:47,895 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:47,895 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:47,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215879094] [2024-11-24 01:28:47,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215879094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:47,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:47,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 01:28:47,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475414070] [2024-11-24 01:28:47,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:47,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 01:28:47,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:47,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 01:28:47,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:28:47,897 INFO L87 Difference]: Start difference. First operand 375 states and 480 transitions. Second operand has 19 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:28:50,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:50,302 INFO L93 Difference]: Finished difference Result 616 states and 793 transitions. [2024-11-24 01:28:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-24 01:28:50,303 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 132 [2024-11-24 01:28:50,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:50,305 INFO L225 Difference]: With dead ends: 616 [2024-11-24 01:28:50,306 INFO L226 Difference]: Without dead ends: 386 [2024-11-24 01:28:50,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=238, Invalid=1244, Unknown=0, NotChecked=0, Total=1482 [2024-11-24 01:28:50,307 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 293 mSDsluCounter, 1859 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 2014 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:50,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 2014 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 01:28:50,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-24 01:28:50,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 378. [2024-11-24 01:28:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 335 states have (on average 1.2388059701492538) internal successors, (415), 336 states have internal predecessors, (415), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:28:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 483 transitions. [2024-11-24 01:28:50,342 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 483 transitions. Word has length 132 [2024-11-24 01:28:50,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:50,342 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 483 transitions. [2024-11-24 01:28:50,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.764705882352941) internal successors, (81), 17 states have internal predecessors, (81), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:28:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 483 transitions. [2024-11-24 01:28:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:28:50,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:50,344 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:50,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-24 01:28:50,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:50,545 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:50,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:50,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1085464465, now seen corresponding path program 1 times [2024-11-24 01:28:50,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:50,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546779152] [2024-11-24 01:28:50,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:50,546 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 [2024-11-24 01:28:50,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:50,549 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:50,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:51,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:28:51,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:51,896 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 33 treesize of output 15 [2024-11-24 01:28:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-24 01:28:51,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:28:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:28:52,260 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:52,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546779152] [2024-11-24 01:28:52,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546779152] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:28:52,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:28:52,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-24 01:28:52,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893861706] [2024-11-24 01:28:52,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:52,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:52,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:52,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:52,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:28:52,262 INFO L87 Difference]: Start difference. First operand 378 states and 483 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:52,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:52,463 INFO L93 Difference]: Finished difference Result 653 states and 842 transitions. [2024-11-24 01:28:52,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:52,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 132 [2024-11-24 01:28:52,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:52,466 INFO L225 Difference]: With dead ends: 653 [2024-11-24 01:28:52,466 INFO L226 Difference]: Without dead ends: 414 [2024-11-24 01:28:52,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:28:52,467 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 110 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:52,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 497 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:28:52,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-24 01:28:52,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 373. [2024-11-24 01:28:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 330 states have (on average 1.2333333333333334) internal successors, (407), 331 states have internal predecessors, (407), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:28:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 475 transitions. [2024-11-24 01:28:52,512 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 475 transitions. Word has length 132 [2024-11-24 01:28:52,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:52,512 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 475 transitions. [2024-11-24 01:28:52,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 475 transitions. [2024-11-24 01:28:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:28:52,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:52,514 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:52,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:52,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:52,715 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:52,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:52,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1644301293, now seen corresponding path program 1 times [2024-11-24 01:28:52,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:52,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587564214] [2024-11-24 01:28:52,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:52,716 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 [2024-11-24 01:28:52,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:52,718 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:52,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:53,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:28:53,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:28:53,399 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:53,399 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:53,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587564214] [2024-11-24 01:28:53,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587564214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:53,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:53,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:53,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721216377] [2024-11-24 01:28:53,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:53,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:53,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:53,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:53,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:53,401 INFO L87 Difference]: Start difference. First operand 373 states and 475 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:53,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:53,479 INFO L93 Difference]: Finished difference Result 752 states and 959 transitions. [2024-11-24 01:28:53,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:53,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 132 [2024-11-24 01:28:53,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:53,483 INFO L225 Difference]: With dead ends: 752 [2024-11-24 01:28:53,483 INFO L226 Difference]: Without dead ends: 382 [2024-11-24 01:28:53,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:53,485 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:53,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 572 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:28:53,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-24 01:28:53,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2024-11-24 01:28:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 339 states have (on average 1.2271386430678466) internal successors, (416), 340 states have internal predecessors, (416), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:28:53,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 484 transitions. [2024-11-24 01:28:53,534 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 484 transitions. Word has length 132 [2024-11-24 01:28:53,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:53,535 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 484 transitions. [2024-11-24 01:28:53,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 484 transitions. [2024-11-24 01:28:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:28:53,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:53,537 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:53,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:53,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:53,737 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:53,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:53,738 INFO L85 PathProgramCache]: Analyzing trace with hash 250591698, now seen corresponding path program 1 times [2024-11-24 01:28:53,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:53,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338040110] [2024-11-24 01:28:53,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:53,739 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 [2024-11-24 01:28:53,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:53,740 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:53,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:54,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:28:54,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 113 proven. 24 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-24 01:28:55,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:28:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:28:55,339 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:55,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338040110] [2024-11-24 01:28:55,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338040110] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:28:55,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:28:55,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2024-11-24 01:28:55,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233572199] [2024-11-24 01:28:55,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:55,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:55,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:55,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:55,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:28:55,341 INFO L87 Difference]: Start difference. First operand 382 states and 484 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:55,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:55,538 INFO L93 Difference]: Finished difference Result 797 states and 1007 transitions. [2024-11-24 01:28:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:55,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 134 [2024-11-24 01:28:55,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:55,541 INFO L225 Difference]: With dead ends: 797 [2024-11-24 01:28:55,541 INFO L226 Difference]: Without dead ends: 418 [2024-11-24 01:28:55,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:28:55,542 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 48 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:55,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 553 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:28:55,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-24 01:28:55,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 381. [2024-11-24 01:28:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 338 states have (on average 1.2218934911242603) internal successors, (413), 339 states have internal predecessors, (413), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 01:28:55,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 481 transitions. [2024-11-24 01:28:55,577 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 481 transitions. Word has length 134 [2024-11-24 01:28:55,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:55,577 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 481 transitions. [2024-11-24 01:28:55,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 481 transitions. [2024-11-24 01:28:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 01:28:55,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:55,579 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:55,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:28:55,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:55,779 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:55,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:55,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1253168977, now seen corresponding path program 1 times [2024-11-24 01:28:55,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:55,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389296367] [2024-11-24 01:28:55,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:55,780 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 [2024-11-24 01:28:55,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:55,782 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:55,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Waiting until timeout for monitored process [2024-11-24 01:28:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:56,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 01:28:56,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:56,584 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 8 treesize of output 1 [2024-11-24 01:28:56,659 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 26 treesize of output 22 [2024-11-24 01:28:56,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 [2024-11-24 01:28:57,116 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 32 treesize of output 20 [2024-11-24 01:28:57,122 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 [2024-11-24 01:28:57,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:28:57,191 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 33 treesize of output 19 [2024-11-24 01:28:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:28:57,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:28:57,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:28:57,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389296367] [2024-11-24 01:28:57,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389296367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:57,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:57,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:28:57,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025707544] [2024-11-24 01:28:57,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:57,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:28:57,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:28:57,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:28:57,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:28:57,397 INFO L87 Difference]: Start difference. First operand 381 states and 481 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:59,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:59,401 INFO L93 Difference]: Finished difference Result 887 states and 1125 transitions. [2024-11-24 01:28:59,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 01:28:59,402 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 136 [2024-11-24 01:28:59,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:59,405 INFO L225 Difference]: With dead ends: 887 [2024-11-24 01:28:59,406 INFO L226 Difference]: Without dead ends: 658 [2024-11-24 01:28:59,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:28:59,407 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 197 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:59,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 1782 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:28:59,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-24 01:28:59,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 583. [2024-11-24 01:28:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 520 states have (on average 1.2230769230769232) internal successors, (636), 523 states have internal predecessors, (636), 50 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (50), 47 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-24 01:28:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 736 transitions. [2024-11-24 01:28:59,474 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 736 transitions. Word has length 136 [2024-11-24 01:28:59,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:59,474 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 736 transitions. [2024-11-24 01:28:59,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:28:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 736 transitions. [2024-11-24 01:28:59,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 01:28:59,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:59,476 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:59,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 01:28:59,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:28:59,677 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:59,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:59,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1933227347, now seen corresponding path program 1 times [2024-11-24 01:28:59,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:28:59,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859860741] [2024-11-24 01:28:59,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:59,679 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 [2024-11-24 01:28:59,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:28:59,681 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:28:59,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:29:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:00,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:29:00,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:29:00,535 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 [2024-11-24 01:29:00,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 27 [2024-11-24 01:29:01,183 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:29:01,183 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 27 treesize of output 13 [2024-11-24 01:29:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 01:29:01,216 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:29:01,216 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:29:01,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859860741] [2024-11-24 01:29:01,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1859860741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:01,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:01,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:29:01,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641401880] [2024-11-24 01:29:01,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:01,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:29:01,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:29:01,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:29:01,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:29:01,218 INFO L87 Difference]: Start difference. First operand 583 states and 736 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:29:02,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:02,160 INFO L93 Difference]: Finished difference Result 1002 states and 1272 transitions. [2024-11-24 01:29:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:29:02,162 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2024-11-24 01:29:02,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:02,165 INFO L225 Difference]: With dead ends: 1002 [2024-11-24 01:29:02,165 INFO L226 Difference]: Without dead ends: 646 [2024-11-24 01:29:02,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:29:02,167 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 377 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:02,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 845 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:29:02,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-11-24 01:29:02,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 579. [2024-11-24 01:29:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 516 states have (on average 1.2170542635658914) internal successors, (628), 519 states have internal predecessors, (628), 50 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (50), 47 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-24 01:29:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 728 transitions. [2024-11-24 01:29:02,230 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 728 transitions. Word has length 136 [2024-11-24 01:29:02,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:02,231 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 728 transitions. [2024-11-24 01:29:02,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:29:02,231 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 728 transitions. [2024-11-24 01:29:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 01:29:02,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:02,232 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:02,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:29:02,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:29:02,437 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:02,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:02,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1180782419, now seen corresponding path program 1 times [2024-11-24 01:29:02,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:29:02,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640944257] [2024-11-24 01:29:02,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:02,438 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 [2024-11-24 01:29:02,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:29:02,442 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:29:02,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:29:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:03,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:29:03,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:29:03,300 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 [2024-11-24 01:29:03,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 33 treesize of output 28 [2024-11-24 01:29:03,928 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:29:03,928 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 27 treesize of output 13 [2024-11-24 01:29:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 01:29:03,957 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:29:03,957 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:29:03,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640944257] [2024-11-24 01:29:03,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640944257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:03,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:03,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:29:03,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66521121] [2024-11-24 01:29:03,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:03,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:29:03,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:29:03,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:29:03,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:29:03,959 INFO L87 Difference]: Start difference. First operand 579 states and 728 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:29:04,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:04,792 INFO L93 Difference]: Finished difference Result 1118 states and 1413 transitions. [2024-11-24 01:29:04,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:29:04,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2024-11-24 01:29:04,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:04,797 INFO L225 Difference]: With dead ends: 1118 [2024-11-24 01:29:04,797 INFO L226 Difference]: Without dead ends: 766 [2024-11-24 01:29:04,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:29:04,799 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 337 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:04,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 843 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:29:04,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-24 01:29:04,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 568. [2024-11-24 01:29:04,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 504 states have (on average 1.2103174603174602) internal successors, (610), 507 states have internal predecessors, (610), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (50), 47 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-24 01:29:04,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 710 transitions. [2024-11-24 01:29:04,885 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 710 transitions. Word has length 136 [2024-11-24 01:29:04,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:04,886 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 710 transitions. [2024-11-24 01:29:04,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 01:29:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 710 transitions. [2024-11-24 01:29:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 01:29:04,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:04,887 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:04,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:29:05,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:29:05,088 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:05,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:05,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1860840789, now seen corresponding path program 1 times [2024-11-24 01:29:05,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:29:05,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771154634] [2024-11-24 01:29:05,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:05,089 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 [2024-11-24 01:29:05,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:29:05,091 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:29:05,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-24 01:29:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:05,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 01:29:05,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:29:05,954 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 [2024-11-24 01:29:06,007 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 25 treesize of output 21 [2024-11-24 01:29:06,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 35 [2024-11-24 01:29:06,425 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 [2024-11-24 01:29:06,431 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 [2024-11-24 01:29:06,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:29:06,493 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 31 treesize of output 17 [2024-11-24 01:29:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 01:29:06,672 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:29:06,672 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:29:06,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771154634] [2024-11-24 01:29:06,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771154634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:06,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:06,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:29:06,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854873797] [2024-11-24 01:29:06,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:06,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:29:06,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:29:06,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:29:06,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:29:06,674 INFO L87 Difference]: Start difference. First operand 568 states and 710 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:29:08,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:08,458 INFO L93 Difference]: Finished difference Result 1117 states and 1404 transitions. [2024-11-24 01:29:08,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 01:29:08,459 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 136 [2024-11-24 01:29:08,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:08,462 INFO L225 Difference]: With dead ends: 1117 [2024-11-24 01:29:08,462 INFO L226 Difference]: Without dead ends: 773 [2024-11-24 01:29:08,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:29:08,463 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 192 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:08,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 1873 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:29:08,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-24 01:29:08,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 572. [2024-11-24 01:29:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 508 states have (on average 1.2106299212598426) internal successors, (615), 511 states have internal predecessors, (615), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (50), 47 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-24 01:29:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 715 transitions. [2024-11-24 01:29:08,550 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 715 transitions. Word has length 136 [2024-11-24 01:29:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:08,551 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 715 transitions. [2024-11-24 01:29:08,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 01:29:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 715 transitions. [2024-11-24 01:29:08,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 01:29:08,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:08,552 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:08,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Ended with exit code 0 [2024-11-24 01:29:08,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:29:08,752 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:08,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:08,753 INFO L85 PathProgramCache]: Analyzing trace with hash -2138753916, now seen corresponding path program 1 times [2024-11-24 01:29:08,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:29:08,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222817220] [2024-11-24 01:29:08,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:08,754 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 [2024-11-24 01:29:08,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:29:08,756 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 01:29:08,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be52a9ec-3805-40f9-9e05-1225f1eec28c/bin/uautomizer-verify-LYvppIcaGC/mathsat -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