./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ --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 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:41:42,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:41:42,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 22:41:42,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:41:42,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:41:42,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:41:42,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:41:42,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:41:42,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:41:42,507 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:41:42,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:41:42,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:41:42,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:41:42,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:41:42,513 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:41:42,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:41:42,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:41:42,514 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:41:42,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:41:42,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:41:42,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:41:42,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:41:42,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:41:42,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:41:42,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:41:42,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:41:42,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:41:42,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:41:42,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:41:42,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:41:42,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:41:42,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:41:42,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:41:42,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:41:42,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:41:42,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:41:42,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:41:42,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:41:42,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:41:42,524 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:41:42,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:41:42,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:41:42,525 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 [2023-11-23 22:41:42,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:41:42,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:41:42,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:41:42,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:41:42,898 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:41:42,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2023-11-23 22:41:46,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:41:46,365 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:41:46,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2023-11-23 22:41:46,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/data/dbbf83d33/c2c61adf346c4d458288f81ef49434e1/FLAGa294abb08 [2023-11-23 22:41:46,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/data/dbbf83d33/c2c61adf346c4d458288f81ef49434e1 [2023-11-23 22:41:46,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:41:46,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:41:46,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:41:46,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:41:46,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:41:46,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:46,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aff2045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46, skipping insertion in model container [2023-11-23 22:41:46,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:46,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:41:46,655 WARN L240 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_391ebda7-3273-4838-9e67-4d8dbc547fb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2023-11-23 22:41:46,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:41:46,761 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:41:46,772 WARN L240 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_391ebda7-3273-4838-9e67-4d8dbc547fb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2023-11-23 22:41:46,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:41:46,844 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:41:46,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46 WrapperNode [2023-11-23 22:41:46,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:41:46,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:41:46,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:41:46,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:41:46,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:46,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:46,935 INFO L138 Inliner]: procedures = 29, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 494 [2023-11-23 22:41:46,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:41:46,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:41:46,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:41:46,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:41:46,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:46,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:46,960 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:46,983 INFO L189 HeapSplitter]: Split 133 memory accesses to 6 slices as follows [2, 23, 61, 16, 22, 9] [2023-11-23 22:41:46,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:46,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:47,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:47,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:47,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:47,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:47,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:41:47,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:41:47,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:41:47,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:41:47,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (1/1) ... [2023-11-23 22:41:47,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:41:47,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:47,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:47,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:41:47,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:41:47,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-23 22:41:47,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-23 22:41:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-23 22:41:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-23 22:41:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-23 22:41:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-23 22:41:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 22:41:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 22:41:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 22:41:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 22:41:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 22:41:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 22:41:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-23 22:41:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-23 22:41:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-23 22:41:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-23 22:41:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-23 22:41:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-23 22:41:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 22:41:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 22:41:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 22:41:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 22:41:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 22:41:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 22:41:47,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-23 22:41:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-23 22:41:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-23 22:41:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-23 22:41:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-23 22:41:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-23 22:41:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:41:47,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:41:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:41:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 22:41:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 22:41:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 22:41:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 22:41:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 22:41:47,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:41:47,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:41:47,380 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:41:47,382 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:41:48,043 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:41:48,106 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:41:48,107 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:41:48,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:41:48 BoogieIcfgContainer [2023-11-23 22:41:48,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:41:48,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:41:48,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:41:48,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:41:48,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:41:46" (1/3) ... [2023-11-23 22:41:48,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a89528d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:41:48, skipping insertion in model container [2023-11-23 22:41:48,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:46" (2/3) ... [2023-11-23 22:41:48,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a89528d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:41:48, skipping insertion in model container [2023-11-23 22:41:48,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:41:48" (3/3) ... [2023-11-23 22:41:48,119 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-36.i [2023-11-23 22:41:48,138 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:41:48,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:41:48,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:41:48,199 INFO L357 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, mHoare=true, 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;@5c0762e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:41:48,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:41:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 100 states have (on average 1.53) internal successors, (153), 101 states have internal predecessors, (153), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:41:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 22:41:48,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:48,221 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:48,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:41:48,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:48,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1184868063, now seen corresponding path program 1 times [2023-11-23 22:41:48,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:48,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685657866] [2023-11-23 22:41:48,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:48,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:41:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:41:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:41:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 22:41:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 22:41:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 22:41:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:41:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 22:41:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 22:41:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 22:41:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 22:41:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:41:48,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:48,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685657866] [2023-11-23 22:41:48,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685657866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:48,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:48,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:41:48,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219667387] [2023-11-23 22:41:48,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:48,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:41:48,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:48,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:41:48,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:41:48,823 INFO L87 Difference]: Start difference. First operand has 114 states, 100 states have (on average 1.53) internal successors, (153), 101 states have internal predecessors, (153), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 22:41:48,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:48,899 INFO L93 Difference]: Finished difference Result 225 states and 359 transitions. [2023-11-23 22:41:48,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:41:48,901 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2023-11-23 22:41:48,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:48,911 INFO L225 Difference]: With dead ends: 225 [2023-11-23 22:41:48,911 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 22:41:48,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:41:48,922 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:48,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:41:48,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 22:41:48,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-11-23 22:41:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 99 states have (on average 1.494949494949495) internal successors, (148), 99 states have internal predecessors, (148), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:41:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 170 transitions. [2023-11-23 22:41:48,986 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 170 transitions. Word has length 104 [2023-11-23 22:41:48,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:48,987 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 170 transitions. [2023-11-23 22:41:48,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 22:41:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-11-23 22:41:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 22:41:48,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:48,993 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:48,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:41:48,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:41:48,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:48,995 INFO L85 PathProgramCache]: Analyzing trace with hash 591789533, now seen corresponding path program 1 times [2023-11-23 22:41:48,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:48,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137920921] [2023-11-23 22:41:48,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:48,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:41:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:41:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:41:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 22:41:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 22:41:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 22:41:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:41:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 22:41:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 22:41:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 22:41:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 22:41:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:41:49,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:49,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137920921] [2023-11-23 22:41:49,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137920921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:49,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:49,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:41:49,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907124486] [2023-11-23 22:41:49,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:49,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:41:49,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:49,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:41:49,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:41:49,442 INFO L87 Difference]: Start difference. First operand 112 states and 170 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 22:41:49,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:49,509 INFO L93 Difference]: Finished difference Result 229 states and 348 transitions. [2023-11-23 22:41:49,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:41:49,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2023-11-23 22:41:49,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:49,520 INFO L225 Difference]: With dead ends: 229 [2023-11-23 22:41:49,521 INFO L226 Difference]: Without dead ends: 118 [2023-11-23 22:41:49,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:41:49,525 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 10 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:49,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 490 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:41:49,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-23 22:41:49,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2023-11-23 22:41:49,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 101 states have internal predecessors, (150), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:41:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 172 transitions. [2023-11-23 22:41:49,556 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 172 transitions. Word has length 104 [2023-11-23 22:41:49,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:49,562 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 172 transitions. [2023-11-23 22:41:49,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 22:41:49,562 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 172 transitions. [2023-11-23 22:41:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 22:41:49,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:49,569 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:49,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:41:49,569 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:41:49,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:49,570 INFO L85 PathProgramCache]: Analyzing trace with hash 389965599, now seen corresponding path program 1 times [2023-11-23 22:41:49,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:49,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094127578] [2023-11-23 22:41:49,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:49,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:41:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:41:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:41:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 22:41:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 22:41:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 22:41:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:41:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 22:41:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 22:41:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 22:41:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 22:41:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:41:50,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:50,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094127578] [2023-11-23 22:41:50,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094127578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:50,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:50,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:41:50,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266067477] [2023-11-23 22:41:50,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:50,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:41:50,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:50,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:41:50,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:41:50,051 INFO L87 Difference]: Start difference. First operand 114 states and 172 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:50,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:50,255 INFO L93 Difference]: Finished difference Result 341 states and 515 transitions. [2023-11-23 22:41:50,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:41:50,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-23 22:41:50,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:50,263 INFO L225 Difference]: With dead ends: 341 [2023-11-23 22:41:50,263 INFO L226 Difference]: Without dead ends: 228 [2023-11-23 22:41:50,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:41:50,274 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 182 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:50,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 462 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:41:50,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-11-23 22:41:50,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 202. [2023-11-23 22:41:50,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 177 states have (on average 1.4745762711864407) internal successors, (261), 177 states have internal predecessors, (261), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 22:41:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 305 transitions. [2023-11-23 22:41:50,306 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 305 transitions. Word has length 104 [2023-11-23 22:41:50,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:50,307 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 305 transitions. [2023-11-23 22:41:50,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 305 transitions. [2023-11-23 22:41:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 22:41:50,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:50,310 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:50,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:41:50,314 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:41:50,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:50,315 INFO L85 PathProgramCache]: Analyzing trace with hash 812667425, now seen corresponding path program 1 times [2023-11-23 22:41:50,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:50,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448118354] [2023-11-23 22:41:50,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:50,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:41:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:41:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:41:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 22:41:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 22:41:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 22:41:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:41:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 22:41:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 22:41:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 22:41:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 22:41:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:41:50,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:50,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448118354] [2023-11-23 22:41:50,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448118354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:50,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:50,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:41:50,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625197328] [2023-11-23 22:41:50,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:50,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:41:50,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:50,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:41:50,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:41:50,850 INFO L87 Difference]: Start difference. First operand 202 states and 305 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:50,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:50,947 INFO L93 Difference]: Finished difference Result 472 states and 717 transitions. [2023-11-23 22:41:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:41:50,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-23 22:41:50,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:50,951 INFO L225 Difference]: With dead ends: 472 [2023-11-23 22:41:50,951 INFO L226 Difference]: Without dead ends: 347 [2023-11-23 22:41:50,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:41:50,953 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 124 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:50,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 444 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:41:50,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-11-23 22:41:51,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 343. [2023-11-23 22:41:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 306 states have (on average 1.4901960784313726) internal successors, (456), 306 states have internal predecessors, (456), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 22:41:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 522 transitions. [2023-11-23 22:41:51,011 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 522 transitions. Word has length 104 [2023-11-23 22:41:51,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:51,011 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 522 transitions. [2023-11-23 22:41:51,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 522 transitions. [2023-11-23 22:41:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 22:41:51,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:51,014 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:51,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:41:51,017 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:41:51,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:51,018 INFO L85 PathProgramCache]: Analyzing trace with hash -198449825, now seen corresponding path program 1 times [2023-11-23 22:41:51,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:51,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668024998] [2023-11-23 22:41:51,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:51,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:41:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:41:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:41:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 22:41:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 22:41:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 22:41:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:41:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 22:41:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 22:41:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 22:41:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 22:41:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:41:51,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:51,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668024998] [2023-11-23 22:41:51,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668024998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:51,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:51,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:41:51,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904804935] [2023-11-23 22:41:51,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:51,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:41:51,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:51,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:41:51,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:41:51,455 INFO L87 Difference]: Start difference. First operand 343 states and 522 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:51,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:51,576 INFO L93 Difference]: Finished difference Result 629 states and 955 transitions. [2023-11-23 22:41:51,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:41:51,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-23 22:41:51,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:51,580 INFO L225 Difference]: With dead ends: 629 [2023-11-23 22:41:51,580 INFO L226 Difference]: Without dead ends: 403 [2023-11-23 22:41:51,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:41:51,582 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 212 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:51,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 501 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:41:51,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-11-23 22:41:51,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 345. [2023-11-23 22:41:51,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 308 states have (on average 1.4870129870129871) internal successors, (458), 308 states have internal predecessors, (458), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 22:41:51,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 524 transitions. [2023-11-23 22:41:51,607 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 524 transitions. Word has length 104 [2023-11-23 22:41:51,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:51,608 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 524 transitions. [2023-11-23 22:41:51,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 524 transitions. [2023-11-23 22:41:51,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 22:41:51,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:51,610 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:51,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 22:41:51,611 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:41:51,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:51,611 INFO L85 PathProgramCache]: Analyzing trace with hash 502614753, now seen corresponding path program 1 times [2023-11-23 22:41:51,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:51,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553493908] [2023-11-23 22:41:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:41:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:41:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:41:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 22:41:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 22:41:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 22:41:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:41:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 22:41:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 22:41:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 22:41:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 22:41:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:41:52,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:52,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553493908] [2023-11-23 22:41:52,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553493908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:52,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:52,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 22:41:52,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550935337] [2023-11-23 22:41:52,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:52,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:41:52,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:52,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:41:52,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:41:52,334 INFO L87 Difference]: Start difference. First operand 345 states and 524 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:52,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:52,702 INFO L93 Difference]: Finished difference Result 1150 states and 1747 transitions. [2023-11-23 22:41:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 22:41:52,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-23 22:41:52,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:52,711 INFO L225 Difference]: With dead ends: 1150 [2023-11-23 22:41:52,711 INFO L226 Difference]: Without dead ends: 926 [2023-11-23 22:41:52,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-23 22:41:52,714 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 522 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:52,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 1169 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 22:41:52,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2023-11-23 22:41:52,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 423. [2023-11-23 22:41:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 386 states have (on average 1.5025906735751295) internal successors, (580), 386 states have internal predecessors, (580), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 22:41:52,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 646 transitions. [2023-11-23 22:41:52,775 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 646 transitions. Word has length 104 [2023-11-23 22:41:52,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:52,777 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 646 transitions. [2023-11-23 22:41:52,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:52,777 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 646 transitions. [2023-11-23 22:41:52,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 22:41:52,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:52,780 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:52,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 22:41:52,780 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:41:52,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:52,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2094978633, now seen corresponding path program 1 times [2023-11-23 22:41:52,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:52,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217760010] [2023-11-23 22:41:52,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:52,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:41:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:41:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:41:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 22:41:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 22:41:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 22:41:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:41:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 22:41:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 22:41:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 22:41:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 22:41:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:41:53,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:53,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217760010] [2023-11-23 22:41:53,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217760010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:53,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:53,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:41:53,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412417259] [2023-11-23 22:41:53,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:53,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:41:53,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:53,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:41:53,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:41:53,459 INFO L87 Difference]: Start difference. First operand 423 states and 646 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:53,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:53,645 INFO L93 Difference]: Finished difference Result 960 states and 1459 transitions. [2023-11-23 22:41:53,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 22:41:53,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2023-11-23 22:41:53,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:53,651 INFO L225 Difference]: With dead ends: 960 [2023-11-23 22:41:53,651 INFO L226 Difference]: Without dead ends: 697 [2023-11-23 22:41:53,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:41:53,653 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 226 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:53,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 630 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:41:53,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2023-11-23 22:41:53,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 365. [2023-11-23 22:41:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 328 states have (on average 1.4817073170731707) internal successors, (486), 328 states have internal predecessors, (486), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 22:41:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 552 transitions. [2023-11-23 22:41:53,690 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 552 transitions. Word has length 106 [2023-11-23 22:41:53,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:53,691 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 552 transitions. [2023-11-23 22:41:53,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:53,692 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 552 transitions. [2023-11-23 22:41:53,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 22:41:53,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:53,693 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:53,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 22:41:53,694 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:41:53,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:53,694 INFO L85 PathProgramCache]: Analyzing trace with hash 942523410, now seen corresponding path program 1 times [2023-11-23 22:41:53,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:53,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434104824] [2023-11-23 22:41:53,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:53,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:41:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:41:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:41:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 22:41:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 22:41:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-23 22:41:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:41:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 22:41:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 22:41:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 22:41:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 22:41:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:53,963 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:41:53,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:53,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434104824] [2023-11-23 22:41:53,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434104824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:53,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:53,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:41:53,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597972932] [2023-11-23 22:41:53,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:53,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:41:53,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:53,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:41:53,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:41:53,966 INFO L87 Difference]: Start difference. First operand 365 states and 552 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:54,038 INFO L93 Difference]: Finished difference Result 635 states and 960 transitions. [2023-11-23 22:41:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:41:54,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-23 22:41:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:41:54,042 INFO L225 Difference]: With dead ends: 635 [2023-11-23 22:41:54,042 INFO L226 Difference]: Without dead ends: 401 [2023-11-23 22:41:54,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:41:54,044 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 77 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:41:54,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 648 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:41:54,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-11-23 22:41:54,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 371. [2023-11-23 22:41:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 334 states have (on average 1.473053892215569) internal successors, (492), 334 states have internal predecessors, (492), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 22:41:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 558 transitions. [2023-11-23 22:41:54,073 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 558 transitions. Word has length 107 [2023-11-23 22:41:54,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:41:54,073 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 558 transitions. [2023-11-23 22:41:54,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:41:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 558 transitions. [2023-11-23 22:41:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 22:41:54,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:41:54,076 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:54,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 22:41:54,076 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:41:54,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:54,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1649491019, now seen corresponding path program 1 times [2023-11-23 22:41:54,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:54,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831952235] [2023-11-23 22:41:54,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:54,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:54,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:54,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:54,246 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 22:41:54,247 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 22:41:54,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 22:41:54,252 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:54,256 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:41:54,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:41:54,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:41:54,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 22:41:54,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 22:41:54,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 22:41:54,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 22:41:54,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 22:41:54,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 22:41:54,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-23 22:41:54,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 22:41:54,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-23 22:41:54,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-23 22:41:54,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-23 22:41:54,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 22:41:54,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 22:41:54,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 22:41:54,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 22:41:54,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 22:41:54,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-23 22:41:54,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-23 22:41:54,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 22:41:54,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 22:41:54,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-23 22:41:54,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 22:41:54,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-23 22:41:54,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 22:41:54,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:41:54,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 22:41:54,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:41:54,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:41:54,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 22:41:54,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-23 22:41:54,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-23 22:41:54,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 22:41:54,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:41:54,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-23 22:41:54,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-23 22:41:54,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 22:41:54,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 22:41:54,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 22:41:54,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-23 22:41:54,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 22:41:54,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-23 22:41:54,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 22:41:54,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 22:41:54,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-23 22:41:54,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-23 22:41:54,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 22:41:54,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 22:41:54,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-23 22:41:54,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 22:41:54,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 22:41:54,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-23 22:41:54,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-23 22:41:54,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-23 22:41:54,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 22:41:54,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-23 22:41:54,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-23 22:41:54,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-23 22:41:54,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-23 22:41:54,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-23 22:41:54,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-23 22:41:54,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-23 22:41:54,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-23 22:41:54,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-23 22:41:54,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-23 22:41:54,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite38 could not be translated [2023-11-23 22:41:54,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-23 22:41:54,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 22:41:54,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-23 22:41:54,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-23 22:41:54,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-23 22:41:54,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-23 22:41:54,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-23 22:41:54,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-23 22:41:54,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-23 22:41:54,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated [2023-11-23 22:41:54,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-23 22:41:54,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-23 22:41:54,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated [2023-11-23 22:41:54,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-23 22:41:54,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-23 22:41:54,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-23 22:41:54,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-23 22:41:54,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-23 22:41:54,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-23 22:41:54,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short140 could not be translated [2023-11-23 22:41:54,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-23 22:41:54,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-23 22:41:54,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated [2023-11-23 22:41:54,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-23 22:41:54,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-23 22:41:54,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short140 could not be translated [2023-11-23 22:41:54,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated [2023-11-23 22:41:54,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated [2023-11-23 22:41:54,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-23 22:41:54,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-23 22:41:54,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short153 could not be translated [2023-11-23 22:41:54,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-23 22:41:54,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-23 22:41:54,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated [2023-11-23 22:41:54,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:41:54 BoogieIcfgContainer [2023-11-23 22:41:54,367 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:41:54,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:41:54,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:41:54,368 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:41:54,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:41:48" (3/4) ... [2023-11-23 22:41:54,371 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:41:54,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:41:54,373 INFO L158 Benchmark]: Toolchain (without parser) took 7970.13ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 155.6MB in the beginning and 110.0MB in the end (delta: 45.6MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2023-11-23 22:41:54,373 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:41:54,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.51ms. Allocated memory is still 203.4MB. Free memory was 155.0MB in the beginning and 139.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 22:41:54,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.76ms. Allocated memory is still 203.4MB. Free memory was 139.6MB in the beginning and 136.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:41:54,374 INFO L158 Benchmark]: Boogie Preprocessor took 98.77ms. Allocated memory is still 203.4MB. Free memory was 136.1MB in the beginning and 130.5MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 22:41:54,375 INFO L158 Benchmark]: RCFGBuilder took 1071.92ms. Allocated memory is still 203.4MB. Free memory was 130.5MB in the beginning and 94.2MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 22:41:54,375 INFO L158 Benchmark]: TraceAbstraction took 6256.01ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 93.4MB in the beginning and 111.1MB in the end (delta: -17.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-23 22:41:54,375 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 245.4MB. Free memory was 111.1MB in the beginning and 110.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:41:54,378 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.51ms. Allocated memory is still 203.4MB. Free memory was 155.0MB in the beginning and 139.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.76ms. Allocated memory is still 203.4MB. Free memory was 139.6MB in the beginning and 136.1MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.77ms. Allocated memory is still 203.4MB. Free memory was 136.1MB in the beginning and 130.5MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1071.92ms. Allocated memory is still 203.4MB. Free memory was 130.5MB in the beginning and 94.2MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6256.01ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 93.4MB in the beginning and 111.1MB in the end (delta: -17.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 245.4MB. Free memory was 111.1MB in the beginning and 110.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short140 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short140 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short153 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem94 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 53, overapproximation of shiftRight at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 0 }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L28-L30] float float_Array_0[2] = { 4.25, 9999999999.875 }; [L28-L30] float float_Array_0[2] = { 4.25, 9999999999.875 }; [L28-L30] float float_Array_0[2] = { 4.25, 9999999999.875 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 1 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 1 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 1 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 1 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 1 }; [L37] unsigned char last_1_unsigned_char_Array_0_1_ = 1; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] EXPR unsigned_char_Array_0[1] [L95] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L74] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] double_Array_0[0][0] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[0][0] [L81] EXPR double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] EXPR double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F [L81] EXPR double_Array_0[0][0] [L81] EXPR double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] EXPR (double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] EXPR (double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] CALL assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] RET assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] double_Array_0[1][0] = __VERIFIER_nondet_double() [L83] EXPR double_Array_0[1][0] [L83] EXPR double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] EXPR double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F [L83] EXPR double_Array_0[1][0] [L83] EXPR double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] EXPR (double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] EXPR (double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] CALL assume_abort_if_not((double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] RET assume_abort_if_not((double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] double_Array_0[1][1] = __VERIFIER_nondet_double() [L85] EXPR double_Array_0[1][1] [L85] EXPR double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F [L85] EXPR double_Array_0[1][1] [L85] EXPR double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR (double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR (double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] CALL assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] RET assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] float_Array_0[0] = __VERIFIER_nondet_float() [L87] EXPR float_Array_0[0] [L87] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L87] EXPR float_Array_0[0] [L87] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] float_Array_0[1] = __VERIFIER_nondet_float() [L89] EXPR float_Array_0[1] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L89] EXPR float_Array_0[1] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L91] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_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, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] RET updateVariables() [L107] CALL step() [L41] EXPR last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_ VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L41] COND FALSE !((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) [L44] EXPR double_Array_0[1][0] [L44] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L44] COND FALSE !(double_Array_0[1][0] == (- double_Array_0[0][0])) [L51] unsigned_char_Array_0[1] = 0 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L53] EXPR float_Array_0[0] [L53] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L53] COND TRUE float_Array_0[0] > float_Array_0[1] [L54] double_Array_0[0][1] = 4.6 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR double_Array_0[0][1] [L58] EXPR double_Array_0[0][1] [L58] unsigned char stepLocal_0 = double_Array_0[0][1] > double_Array_0[0][1]; [L59] stepLocal_0 && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, stepLocal_0=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L59] stepLocal_0 && BOOL_unsigned_char_Array_0[1] [L59] EXPR BOOL_unsigned_char_Array_0[1] [L59] stepLocal_0 && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, stepLocal_0=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L59] COND TRUE stepLocal_0 && BOOL_unsigned_char_Array_0[1] [L60] EXPR double_Array_0[0][1] [L60] EXPR double_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR ((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])) [L60] EXPR double_Array_0[0][1] [L60] EXPR ((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, stepLocal_0=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR double_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] COND TRUE ((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1] [L61] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L61] COND TRUE BOOL_unsigned_char_Array_0[1] [L62] unsigned_long_int_Array_0[0] = 10u VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR double_Array_0[0][1] [L98] EXPR double_Array_0[0][1] [L98] EXPR (double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR ((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) [L98] EXPR unsigned_long_int_Array_0[0] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR ((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR ((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR ((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))))) && ((double_Array_0[1][0] == (- double_Array_0[0][0])) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) 0))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR (((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))))) && ((double_Array_0[1][0] == (- double_Array_0[0][0])) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) 0))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98-L99] return (((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))))) && ((double_Array_0[1][0] == (- double_Array_0[0][0])) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) 0))) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 9, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1354 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1353 mSDsluCounter, 4510 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3077 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 483 IncrementalHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 1433 mSDtfsCounter, 483 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=423occurred in iteration=6, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 957 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 945 NumberOfCodeBlocks, 945 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 829 ConstructedInterpolants, 0 QuantifiedInterpolants, 1844 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 1760/1760 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 22:41:54,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ --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 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:41:57,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:41:57,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 22:41:57,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:41:57,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:41:57,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:41:57,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:41:57,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:41:57,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:41:57,218 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:41:57,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:41:57,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:41:57,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:41:57,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:41:57,222 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:41:57,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:41:57,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:41:57,225 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:41:57,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:41:57,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:41:57,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:41:57,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:41:57,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:41:57,228 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 22:41:57,229 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 22:41:57,229 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 22:41:57,230 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:41:57,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:41:57,231 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:41:57,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:41:57,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:41:57,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:41:57,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:41:57,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:41:57,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:41:57,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:41:57,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:41:57,238 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 22:41:57,239 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 22:41:57,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:41:57,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:41:57,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:41:57,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:41:57,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:41:57,241 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 22:41:57,241 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 [2023-11-23 22:41:57,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:41:57,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:41:57,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:41:57,703 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:41:57,703 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:41:57,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2023-11-23 22:42:00,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:42:01,177 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:42:01,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2023-11-23 22:42:01,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/data/894963f97/3691067a87d547ce9bdd6d6bc0467fdb/FLAG6fb84e11d [2023-11-23 22:42:01,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/data/894963f97/3691067a87d547ce9bdd6d6bc0467fdb [2023-11-23 22:42:01,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:42:01,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:42:01,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:42:01,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:42:01,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:42:01,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7a0842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01, skipping insertion in model container [2023-11-23 22:42:01,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:42:01,486 WARN L240 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_391ebda7-3273-4838-9e67-4d8dbc547fb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2023-11-23 22:42:01,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:42:01,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:42:01,655 WARN L240 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_391ebda7-3273-4838-9e67-4d8dbc547fb8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2023-11-23 22:42:01,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:42:01,786 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:42:01,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01 WrapperNode [2023-11-23 22:42:01,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:42:01,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:42:01,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:42:01,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:42:01,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,894 INFO L138 Inliner]: procedures = 36, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 485 [2023-11-23 22:42:01,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:42:01,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:42:01,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:42:01,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:42:01,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,935 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,984 INFO L189 HeapSplitter]: Split 133 memory accesses to 6 slices as follows [2, 23, 61, 16, 22, 9] [2023-11-23 22:42:01,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:01,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:02,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:02,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:02,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:02,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:02,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:42:02,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:42:02,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:42:02,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:42:02,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (1/1) ... [2023-11-23 22:42:02,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:42:02,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:42:02,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:42:02,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:42:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:42:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-23 22:42:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-23 22:42:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-23 22:42:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-23 22:42:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-23 22:42:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-23 22:42:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-23 22:42:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-23 22:42:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-23 22:42:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-23 22:42:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-23 22:42:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-23 22:42:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-23 22:42:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-23 22:42:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-23 22:42:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-23 22:42:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-23 22:42:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-23 22:42:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 22:42:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-23 22:42:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-23 22:42:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-23 22:42:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-23 22:42:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-23 22:42:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-23 22:42:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-23 22:42:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-23 22:42:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-23 22:42:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-23 22:42:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-23 22:42:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-23 22:42:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-23 22:42:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-23 22:42:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-23 22:42:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-23 22:42:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-23 22:42:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-23 22:42:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-23 22:42:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-23 22:42:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-23 22:42:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-23 22:42:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-23 22:42:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-23 22:42:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-23 22:42:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-23 22:42:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-23 22:42:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-23 22:42:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-23 22:42:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-23 22:42:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-23 22:42:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-23 22:42:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-23 22:42:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-23 22:42:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-23 22:42:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-23 22:42:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-23 22:42:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-23 22:42:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-23 22:42:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-23 22:42:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-23 22:42:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:42:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:42:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:42:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:42:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-23 22:42:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-23 22:42:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-23 22:42:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-23 22:42:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-23 22:42:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-23 22:42:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-23 22:42:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-23 22:42:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-23 22:42:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-23 22:42:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-23 22:42:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-23 22:42:02,428 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:42:02,431 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:42:03,406 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:42:03,487 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:42:03,487 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:42:03,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:03 BoogieIcfgContainer [2023-11-23 22:42:03,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:42:03,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:42:03,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:42:03,497 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:42:03,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:42:01" (1/3) ... [2023-11-23 22:42:03,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15394714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:03, skipping insertion in model container [2023-11-23 22:42:03,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:01" (2/3) ... [2023-11-23 22:42:03,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15394714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:03, skipping insertion in model container [2023-11-23 22:42:03,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:03" (3/3) ... [2023-11-23 22:42:03,503 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-36.i [2023-11-23 22:42:03,523 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:42:03,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:42:03,590 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:42:03,598 INFO L357 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, mHoare=true, 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;@44b2c76b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:42:03,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:42:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 98 states have (on average 1.5204081632653061) internal successors, (149), 99 states have internal predecessors, (149), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 22:42:03,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:03,623 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:03,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:03,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:03,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1217459253, now seen corresponding path program 1 times [2023-11-23 22:42:03,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:03,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440035785] [2023-11-23 22:42:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:03,649 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 [2023-11-23 22:42:03,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:03,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:03,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:04,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 22:42:04,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:04,190 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-23 22:42:04,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:04,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:04,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440035785] [2023-11-23 22:42:04,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440035785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:04,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:04,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:42:04,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456242616] [2023-11-23 22:42:04,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:04,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:42:04,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:04,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:42:04,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:42:04,249 INFO L87 Difference]: Start difference. First operand has 112 states, 98 states have (on average 1.5204081632653061) internal successors, (149), 99 states have internal predecessors, (149), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 22:42:04,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:04,333 INFO L93 Difference]: Finished difference Result 217 states and 345 transitions. [2023-11-23 22:42:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:42:04,336 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2023-11-23 22:42:04,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:04,347 INFO L225 Difference]: With dead ends: 217 [2023-11-23 22:42:04,347 INFO L226 Difference]: Without dead ends: 106 [2023-11-23 22:42:04,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:42:04,357 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:04,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:42:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-23 22:42:04,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2023-11-23 22:42:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 93 states have internal predecessors, (136), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 158 transitions. [2023-11-23 22:42:04,433 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 158 transitions. Word has length 103 [2023-11-23 22:42:04,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:04,438 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 158 transitions. [2023-11-23 22:42:04,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 22:42:04,439 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2023-11-23 22:42:04,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 22:42:04,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:04,446 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:04,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-23 22:42:04,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:04,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:04,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:04,655 INFO L85 PathProgramCache]: Analyzing trace with hash 644138359, now seen corresponding path program 1 times [2023-11-23 22:42:04,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:04,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884055885] [2023-11-23 22:42:04,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:04,656 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 [2023-11-23 22:42:04,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:04,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:04,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:05,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 22:42:05,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-23 22:42:05,100 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:05,101 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:05,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884055885] [2023-11-23 22:42:05,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884055885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:05,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:05,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:42:05,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453987740] [2023-11-23 22:42:05,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:05,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:42:05,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:05,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:42:05,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:42:05,105 INFO L87 Difference]: Start difference. First operand 106 states and 158 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 22:42:05,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:05,211 INFO L93 Difference]: Finished difference Result 217 states and 324 transitions. [2023-11-23 22:42:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:42:05,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2023-11-23 22:42:05,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:05,213 INFO L225 Difference]: With dead ends: 217 [2023-11-23 22:42:05,214 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 22:42:05,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:42:05,216 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 10 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:05,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 454 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:42:05,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 22:42:05,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108. [2023-11-23 22:42:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 95 states have (on average 1.4526315789473685) internal successors, (138), 95 states have internal predecessors, (138), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 160 transitions. [2023-11-23 22:42:05,230 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 160 transitions. Word has length 103 [2023-11-23 22:42:05,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:05,231 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 160 transitions. [2023-11-23 22:42:05,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 22:42:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2023-11-23 22:42:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 22:42:05,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:05,234 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:05,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-23 22:42:05,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:05,442 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:05,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:05,443 INFO L85 PathProgramCache]: Analyzing trace with hash 83438581, now seen corresponding path program 1 times [2023-11-23 22:42:05,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:05,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253028327] [2023-11-23 22:42:05,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:05,444 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 [2023-11-23 22:42:05,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:05,446 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:05,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:05,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 22:42:05,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:05,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:42:05,878 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 208 treesize of output 64 [2023-11-23 22:42:05,904 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:05,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:05,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:05,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253028327] [2023-11-23 22:42:05,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253028327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:05,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:05,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:42:05,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571257169] [2023-11-23 22:42:05,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:05,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:42:05,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:05,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:42:05,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:05,932 INFO L87 Difference]: Start difference. First operand 108 states and 160 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:05,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:05,985 INFO L93 Difference]: Finished difference Result 211 states and 312 transitions. [2023-11-23 22:42:05,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:42:05,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-11-23 22:42:05,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:05,991 INFO L225 Difference]: With dead ends: 211 [2023-11-23 22:42:05,991 INFO L226 Difference]: Without dead ends: 104 [2023-11-23 22:42:05,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:42:05,998 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 1 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:05,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 284 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:42:06,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-23 22:42:06,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-23 22:42:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 91 states have internal predecessors, (129), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2023-11-23 22:42:06,027 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 103 [2023-11-23 22:42:06,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:06,028 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2023-11-23 22:42:06,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-23 22:42:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 22:42:06,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:06,035 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:06,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:06,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:06,244 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:06,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:06,245 INFO L85 PathProgramCache]: Analyzing trace with hash -927678669, now seen corresponding path program 1 times [2023-11-23 22:42:06,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:06,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078195082] [2023-11-23 22:42:06,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:06,248 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 [2023-11-23 22:42:06,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:06,249 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:06,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:06,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 22:42:06,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:06,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 22:42:06,704 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 19 treesize of output 15 [2023-11-23 22:42:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:06,806 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:06,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:06,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078195082] [2023-11-23 22:42:06,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078195082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:06,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:06,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 22:42:06,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808191000] [2023-11-23 22:42:06,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:06,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:42:06,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:06,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:42:06,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:42:06,811 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:07,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:07,130 INFO L93 Difference]: Finished difference Result 341 states and 496 transitions. [2023-11-23 22:42:07,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 22:42:07,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-11-23 22:42:07,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:07,134 INFO L225 Difference]: With dead ends: 341 [2023-11-23 22:42:07,134 INFO L226 Difference]: Without dead ends: 238 [2023-11-23 22:42:07,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-23 22:42:07,136 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 212 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:07,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 967 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 22:42:07,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-23 22:42:07,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 119. [2023-11-23 22:42:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 106 states have (on average 1.4150943396226414) internal successors, (150), 106 states have internal predecessors, (150), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 172 transitions. [2023-11-23 22:42:07,151 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 172 transitions. Word has length 103 [2023-11-23 22:42:07,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:07,152 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 172 transitions. [2023-11-23 22:42:07,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2023-11-23 22:42:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 22:42:07,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:07,154 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:07,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:07,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:07,362 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:07,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:07,363 INFO L85 PathProgramCache]: Analyzing trace with hash -603587455, now seen corresponding path program 1 times [2023-11-23 22:42:07,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:07,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502371924] [2023-11-23 22:42:07,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:07,375 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 [2023-11-23 22:42:07,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:07,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:07,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:07,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:42:07,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:07,816 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:07,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:07,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502371924] [2023-11-23 22:42:07,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502371924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:07,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:07,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:42:07,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571927002] [2023-11-23 22:42:07,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:07,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:42:07,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:07,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:42:07,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:42:07,820 INFO L87 Difference]: Start difference. First operand 119 states and 172 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:07,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:07,918 INFO L93 Difference]: Finished difference Result 254 states and 369 transitions. [2023-11-23 22:42:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:42:07,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-11-23 22:42:07,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:07,923 INFO L225 Difference]: With dead ends: 254 [2023-11-23 22:42:07,924 INFO L226 Difference]: Without dead ends: 136 [2023-11-23 22:42:07,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:42:07,925 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 71 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:07,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 571 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:42:07,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-23 22:42:07,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 121. [2023-11-23 22:42:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 108 states have (on average 1.4074074074074074) internal successors, (152), 108 states have internal predecessors, (152), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 174 transitions. [2023-11-23 22:42:07,945 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 174 transitions. Word has length 105 [2023-11-23 22:42:07,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:07,949 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 174 transitions. [2023-11-23 22:42:07,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 174 transitions. [2023-11-23 22:42:07,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 22:42:07,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:07,952 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:07,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:42:08,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:08,161 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:08,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:08,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1545757915, now seen corresponding path program 1 times [2023-11-23 22:42:08,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:08,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874958385] [2023-11-23 22:42:08,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:08,163 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 [2023-11-23 22:42:08,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:08,164 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:08,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:08,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 22:42:08,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:08,660 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:08,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:08,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874958385] [2023-11-23 22:42:08,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874958385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:08,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:08,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:42:08,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169324324] [2023-11-23 22:42:08,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:08,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:42:08,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:08,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:42:08,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:42:08,665 INFO L87 Difference]: Start difference. First operand 121 states and 174 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:08,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:08,897 INFO L93 Difference]: Finished difference Result 266 states and 384 transitions. [2023-11-23 22:42:08,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:42:08,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-11-23 22:42:08,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:08,900 INFO L225 Difference]: With dead ends: 266 [2023-11-23 22:42:08,901 INFO L226 Difference]: Without dead ends: 146 [2023-11-23 22:42:08,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:42:08,902 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 177 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:08,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 418 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 22:42:08,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-23 22:42:08,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2023-11-23 22:42:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 109 states have (on average 1.385321100917431) internal successors, (151), 109 states have internal predecessors, (151), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 173 transitions. [2023-11-23 22:42:08,920 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 173 transitions. Word has length 105 [2023-11-23 22:42:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:08,921 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 173 transitions. [2023-11-23 22:42:08,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 173 transitions. [2023-11-23 22:42:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 22:42:08,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:08,924 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:08,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:09,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:09,134 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:09,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:09,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2048144803, now seen corresponding path program 1 times [2023-11-23 22:42:09,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:09,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804236110] [2023-11-23 22:42:09,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:09,135 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 [2023-11-23 22:42:09,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:09,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:09,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:09,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 22:42:09,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:09,540 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 19 treesize of output 15 [2023-11-23 22:42:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:09,602 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:09,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:09,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804236110] [2023-11-23 22:42:09,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804236110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:09,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:09,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:42:09,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173661394] [2023-11-23 22:42:09,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:09,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:42:09,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:09,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:42:09,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:42:09,605 INFO L87 Difference]: Start difference. First operand 122 states and 173 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:09,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:09,817 INFO L93 Difference]: Finished difference Result 264 states and 375 transitions. [2023-11-23 22:42:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:42:09,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-11-23 22:42:09,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:09,820 INFO L225 Difference]: With dead ends: 264 [2023-11-23 22:42:09,820 INFO L226 Difference]: Without dead ends: 143 [2023-11-23 22:42:09,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:42:09,822 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 175 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:09,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 413 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:42:09,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-23 22:42:09,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2023-11-23 22:42:09,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.375) internal successors, (132), 96 states have internal predecessors, (132), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 154 transitions. [2023-11-23 22:42:09,833 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 154 transitions. Word has length 105 [2023-11-23 22:42:09,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:09,833 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 154 transitions. [2023-11-23 22:42:09,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2023-11-23 22:42:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 22:42:09,835 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:09,836 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:09,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-23 22:42:10,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:10,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:10,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:10,045 INFO L85 PathProgramCache]: Analyzing trace with hash 399039076, now seen corresponding path program 1 times [2023-11-23 22:42:10,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:10,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040685312] [2023-11-23 22:42:10,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:10,047 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 [2023-11-23 22:42:10,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:10,049 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:10,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:10,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 22:42:10,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:10,514 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 [2023-11-23 22:42:10,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-23 22:42:10,661 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:10,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:10,662 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:10,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040685312] [2023-11-23 22:42:10,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040685312] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:10,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:10,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 22:42:10,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424524502] [2023-11-23 22:42:10,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:10,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 22:42:10,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:10,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 22:42:10,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:42:10,664 INFO L87 Difference]: Start difference. First operand 109 states and 154 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:11,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:11,070 INFO L93 Difference]: Finished difference Result 376 states and 532 transitions. [2023-11-23 22:42:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 22:42:11,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-23 22:42:11,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:11,073 INFO L225 Difference]: With dead ends: 376 [2023-11-23 22:42:11,073 INFO L226 Difference]: Without dead ends: 268 [2023-11-23 22:42:11,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2023-11-23 22:42:11,074 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 236 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:11,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1203 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 22:42:11,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-11-23 22:42:11,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 127. [2023-11-23 22:42:11,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 114 states have (on average 1.3859649122807018) internal successors, (158), 114 states have internal predecessors, (158), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:11,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 180 transitions. [2023-11-23 22:42:11,087 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 180 transitions. Word has length 107 [2023-11-23 22:42:11,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:11,088 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 180 transitions. [2023-11-23 22:42:11,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2023-11-23 22:42:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 22:42:11,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:11,090 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:11,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-23 22:42:11,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:11,298 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:11,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:11,298 INFO L85 PathProgramCache]: Analyzing trace with hash -485913816, now seen corresponding path program 1 times [2023-11-23 22:42:11,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:11,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715652520] [2023-11-23 22:42:11,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:11,299 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 [2023-11-23 22:42:11,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:11,301 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:11,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:11,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 22:42:11,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:11,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 22:42:11,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2023-11-23 22:42:12,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:42:12,365 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 137 treesize of output 53 [2023-11-23 22:42:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:12,404 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:12,404 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:12,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715652520] [2023-11-23 22:42:12,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715652520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:12,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:12,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 22:42:12,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879061488] [2023-11-23 22:42:12,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:12,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 22:42:12,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:12,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 22:42:12,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:42:12,409 INFO L87 Difference]: Start difference. First operand 127 states and 180 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:14,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:14,369 INFO L93 Difference]: Finished difference Result 388 states and 551 transitions. [2023-11-23 22:42:14,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 22:42:14,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2023-11-23 22:42:14,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:14,373 INFO L225 Difference]: With dead ends: 388 [2023-11-23 22:42:14,373 INFO L226 Difference]: Without dead ends: 262 [2023-11-23 22:42:14,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-23 22:42:14,374 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 292 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:14,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 730 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 22:42:14,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-23 22:42:14,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 165. [2023-11-23 22:42:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 152 states have (on average 1.368421052631579) internal successors, (208), 152 states have internal predecessors, (208), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 230 transitions. [2023-11-23 22:42:14,410 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 230 transitions. Word has length 107 [2023-11-23 22:42:14,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:14,410 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 230 transitions. [2023-11-23 22:42:14,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 230 transitions. [2023-11-23 22:42:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 22:42:14,412 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:14,412 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:14,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:14,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:14,621 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:14,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:14,621 INFO L85 PathProgramCache]: Analyzing trace with hash -521153345, now seen corresponding path program 1 times [2023-11-23 22:42:14,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:14,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726082473] [2023-11-23 22:42:14,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:14,622 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 [2023-11-23 22:42:14,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:14,623 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:14,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:15,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 22:42:15,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:15,277 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 10 [2023-11-23 22:42:15,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:42:15,342 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 216 treesize of output 66 [2023-11-23 22:42:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:15,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:15,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:15,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726082473] [2023-11-23 22:42:15,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726082473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:15,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:15,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:42:15,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555802918] [2023-11-23 22:42:15,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:15,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:42:15,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:15,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:42:15,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:42:15,365 INFO L87 Difference]: Start difference. First operand 165 states and 230 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:17,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 22:42:17,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:17,726 INFO L93 Difference]: Finished difference Result 388 states and 545 transitions. [2023-11-23 22:42:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:42:17,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2023-11-23 22:42:17,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:17,729 INFO L225 Difference]: With dead ends: 388 [2023-11-23 22:42:17,730 INFO L226 Difference]: Without dead ends: 224 [2023-11-23 22:42:17,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:42:17,731 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 279 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:17,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 384 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 22:42:17,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-11-23 22:42:17,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 114. [2023-11-23 22:42:17,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.297029702970297) internal successors, (131), 101 states have internal predecessors, (131), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:17,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 153 transitions. [2023-11-23 22:42:17,749 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 153 transitions. Word has length 109 [2023-11-23 22:42:17,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:17,750 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 153 transitions. [2023-11-23 22:42:17,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 153 transitions. [2023-11-23 22:42:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 22:42:17,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:17,752 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:17,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:17,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:17,960 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:17,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:17,960 INFO L85 PathProgramCache]: Analyzing trace with hash 511097116, now seen corresponding path program 1 times [2023-11-23 22:42:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:17,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899038538] [2023-11-23 22:42:17,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:17,961 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 [2023-11-23 22:42:17,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:17,962 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:17,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:18,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 22:42:18,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:18,326 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 [2023-11-23 22:42:18,410 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 [2023-11-23 22:42:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:18,440 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:42:18,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:18,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899038538] [2023-11-23 22:42:18,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899038538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:42:18,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:42:18,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 22:42:18,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72612403] [2023-11-23 22:42:18,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:18,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:42:18,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:18,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:42:18,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:42:18,443 INFO L87 Difference]: Start difference. First operand 114 states and 153 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:18,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:18,676 INFO L93 Difference]: Finished difference Result 233 states and 311 transitions. [2023-11-23 22:42:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 22:42:18,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2023-11-23 22:42:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:18,680 INFO L225 Difference]: With dead ends: 233 [2023-11-23 22:42:18,680 INFO L226 Difference]: Without dead ends: 231 [2023-11-23 22:42:18,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-23 22:42:18,681 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 132 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:18,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 909 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:42:18,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-23 22:42:18,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 162. [2023-11-23 22:42:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 149 states have (on average 1.2751677852348993) internal successors, (190), 149 states have internal predecessors, (190), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:18,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 212 transitions. [2023-11-23 22:42:18,703 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 212 transitions. Word has length 109 [2023-11-23 22:42:18,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:18,704 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 212 transitions. [2023-11-23 22:42:18,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 212 transitions. [2023-11-23 22:42:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 22:42:18,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:18,706 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:18,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-23 22:42:18,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:18,914 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:18,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:18,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1445923524, now seen corresponding path program 1 times [2023-11-23 22:42:18,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:18,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858883078] [2023-11-23 22:42:18,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:18,916 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 [2023-11-23 22:42:18,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:18,918 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:18,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:19,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 22:42:19,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:20,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:42:20,389 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 154 treesize of output 58 [2023-11-23 22:42:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-23 22:42:20,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:42:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:20,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:20,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858883078] [2023-11-23 22:42:20,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858883078] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 22:42:20,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:42:20,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-23 22:42:20,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151795742] [2023-11-23 22:42:20,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:20,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:42:20,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:20,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:42:20,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 22:42:20,962 INFO L87 Difference]: Start difference. First operand 162 states and 212 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:21,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:21,356 INFO L93 Difference]: Finished difference Result 388 states and 513 transitions. [2023-11-23 22:42:21,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:42:21,358 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2023-11-23 22:42:21,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:21,360 INFO L225 Difference]: With dead ends: 388 [2023-11-23 22:42:21,360 INFO L226 Difference]: Without dead ends: 227 [2023-11-23 22:42:21,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-23 22:42:21,361 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 90 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:21,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 583 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 22:42:21,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-11-23 22:42:21,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2023-11-23 22:42:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 188 states have (on average 1.2819148936170213) internal successors, (241), 189 states have internal predecessors, (241), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 22:42:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 277 transitions. [2023-11-23 22:42:21,387 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 277 transitions. Word has length 110 [2023-11-23 22:42:21,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:21,388 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 277 transitions. [2023-11-23 22:42:21,388 INFO L496 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 277 transitions. [2023-11-23 22:42:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 22:42:21,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:21,390 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:21,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-23 22:42:21,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:21,603 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:21,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:21,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1829425855, now seen corresponding path program 1 times [2023-11-23 22:42:21,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:21,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866873906] [2023-11-23 22:42:21,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:21,605 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 [2023-11-23 22:42:21,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:21,606 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:21,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:22,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 22:42:22,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:23,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:42:23,059 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 59 [2023-11-23 22:42:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-23 22:42:23,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:42:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 22:42:23,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:23,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866873906] [2023-11-23 22:42:23,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866873906] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 22:42:23,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:42:23,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-23 22:42:23,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901172748] [2023-11-23 22:42:23,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:42:23,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:42:23,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:42:23,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:42:23,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 22:42:23,639 INFO L87 Difference]: Start difference. First operand 209 states and 277 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:24,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:42:24,060 INFO L93 Difference]: Finished difference Result 424 states and 558 transitions. [2023-11-23 22:42:24,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:42:24,061 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2023-11-23 22:42:24,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:42:24,063 INFO L225 Difference]: With dead ends: 424 [2023-11-23 22:42:24,063 INFO L226 Difference]: Without dead ends: 216 [2023-11-23 22:42:24,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-23 22:42:24,065 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 167 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:42:24,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 379 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 22:42:24,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-23 22:42:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 166. [2023-11-23 22:42:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 152 states have (on average 1.243421052631579) internal successors, (189), 152 states have internal predecessors, (189), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 22:42:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 211 transitions. [2023-11-23 22:42:24,082 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 211 transitions. Word has length 110 [2023-11-23 22:42:24,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:42:24,083 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 211 transitions. [2023-11-23 22:42:24,083 INFO L496 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 22:42:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2023-11-23 22:42:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-23 22:42:24,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:42:24,085 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:42:24,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-23 22:42:24,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:42:24,293 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:42:24,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:42:24,293 INFO L85 PathProgramCache]: Analyzing trace with hash -949255996, now seen corresponding path program 1 times [2023-11-23 22:42:24,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:42:24,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007517575] [2023-11-23 22:42:24,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:24,294 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 [2023-11-23 22:42:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:42:24,296 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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) [2023-11-23 22:42:24,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:42:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:24,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 22:42:24,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:42:24,859 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 [2023-11-23 22:42:25,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:42:25,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 121 treesize of output 77 [2023-11-23 22:42:28,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:42:28,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 202 treesize of output 113 [2023-11-23 22:42:32,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:42:32,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 268 treesize of output 106 [2023-11-23 22:42:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 36 proven. 120 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 22:42:32,330 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:42:33,407 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:42:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007517575] [2023-11-23 22:42:33,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2007517575] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:42:33,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [641787203] [2023-11-23 22:42:33,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:42:33,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 22:42:33,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/cvc4 [2023-11-23 22:42:33,409 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 22:42:33,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391ebda7-3273-4838-9e67-4d8dbc547fb8/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-23 22:42:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:42:35,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-23 22:42:35,973 INFO L285 TraceCheckSpWp]: Computing forward predicates...