./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:21:04,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:21:04,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:21:04,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:21:04,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:21:04,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:21:04,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:21:04,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:21:04,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:21:04,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:21:04,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:21:04,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:21:04,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:21:04,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:21:04,991 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:21:04,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:21:04,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:21:04,992 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:21:04,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:21:04,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:21:04,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:21:04,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:21:04,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:21:04,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:21:04,992 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:21:04,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:21:04,993 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:21:04,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:21:04,993 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:21:04,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:04,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:21:04,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:04,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:04,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:21:04,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:04,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:21:04,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:04,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:04,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:21:04,995 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 [2024-11-23 18:21:05,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:21:05,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:21:05,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:21:05,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:21:05,330 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:21:05,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-11-23 18:21:08,456 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data/27c70fd3a/b3eea03af002440cbb63043dc469d135/FLAG315156229 [2024-11-23 18:21:08,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:21:08,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-11-23 18:21:08,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data/27c70fd3a/b3eea03af002440cbb63043dc469d135/FLAG315156229 [2024-11-23 18:21:09,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data/27c70fd3a/b3eea03af002440cbb63043dc469d135 [2024-11-23 18:21:09,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:21:09,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:21:09,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:21:09,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:21:09,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:21:09,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bfb7d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09, skipping insertion in model container [2024-11-23 18:21:09,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:21:09,262 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-11-23 18:21:09,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:21:09,349 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:21:09,362 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-11-23 18:21:09,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:21:09,445 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:21:09,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09 WrapperNode [2024-11-23 18:21:09,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:21:09,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:21:09,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:21:09,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:21:09,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,522 INFO L138 Inliner]: procedures = 29, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 483 [2024-11-23 18:21:09,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:21:09,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:21:09,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:21:09,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:21:09,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,559 INFO L175 MemorySlicer]: Split 121 memory accesses to 7 slices as follows [2, 29, 15, 7, 7, 48, 13]. 40 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 4, 2, 1, 1, 4, 2]. The 16 writes are split as follows [0, 4, 2, 1, 3, 4, 2]. [2024-11-23 18:21:09,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,602 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:21:09,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:21:09,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:21:09,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:21:09,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (1/1) ... [2024-11-23 18:21:09,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:09,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:09,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:21:09,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:21:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:21:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:21:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-23 18:21:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 18:21:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 18:21:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-23 18:21:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-23 18:21:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:21:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:21:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:21:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:21:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:21:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:21:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:21:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 18:21:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 18:21:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:21:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:21:09,943 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:21:09,945 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:21:10,684 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-23 18:21:10,685 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:21:10,701 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:21:10,701 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:21:10,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:10 BoogieIcfgContainer [2024-11-23 18:21:10,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:21:10,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:21:10,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:21:10,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:21:10,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:21:09" (1/3) ... [2024-11-23 18:21:10,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0c0a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:10, skipping insertion in model container [2024-11-23 18:21:10,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:09" (2/3) ... [2024-11-23 18:21:10,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0c0a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:10, skipping insertion in model container [2024-11-23 18:21:10,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:10" (3/3) ... [2024-11-23 18:21:10,715 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-95.i [2024-11-23 18:21:10,733 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:21:10,736 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-95.i that has 2 procedures, 114 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:21:10,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:21:10,828 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d38e0d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:21:10,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:21:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 96 states have internal predecessors, (135), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:21:10,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-23 18:21:10,854 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:10,855 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:10,856 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:10,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash 904272225, now seen corresponding path program 1 times [2024-11-23 18:21:10,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:10,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603902049] [2024-11-23 18:21:10,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:10,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-23 18:21:11,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:11,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603902049] [2024-11-23 18:21:11,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603902049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:11,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114580737] [2024-11-23 18:21:11,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:11,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:11,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:11,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:21:11,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:21:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:11,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:21:11,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-23 18:21:11,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:11,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114580737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:11,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:21:11,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:21:11,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662790982] [2024-11-23 18:21:11,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:11,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:21:11,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:11,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:21:11,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:21:11,798 INFO L87 Difference]: Start difference. First operand has 114 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 96 states have internal predecessors, (135), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 18:21:11,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:11,830 INFO L93 Difference]: Finished difference Result 221 states and 344 transitions. [2024-11-23 18:21:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:21:11,832 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 132 [2024-11-23 18:21:11,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:11,839 INFO L225 Difference]: With dead ends: 221 [2024-11-23 18:21:11,839 INFO L226 Difference]: Without dead ends: 110 [2024-11-23 18:21:11,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:21:11,846 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:11,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:21:11,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-23 18:21:11,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-23 18:21:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:21:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 156 transitions. [2024-11-23 18:21:11,894 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 156 transitions. Word has length 132 [2024-11-23 18:21:11,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:11,895 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 156 transitions. [2024-11-23 18:21:11,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 18:21:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2024-11-23 18:21:11,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-23 18:21:11,899 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:11,899 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:11,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 18:21:12,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:12,102 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:12,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:12,103 INFO L85 PathProgramCache]: Analyzing trace with hash 567370629, now seen corresponding path program 1 times [2024-11-23 18:21:12,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:12,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758852695] [2024-11-23 18:21:12,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:12,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 18:21:12,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:12,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758852695] [2024-11-23 18:21:12,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758852695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:12,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:12,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:21:12,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386572788] [2024-11-23 18:21:12,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:12,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:21:12,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:12,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:21:12,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:21:12,698 INFO L87 Difference]: Start difference. First operand 110 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:12,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:12,785 INFO L93 Difference]: Finished difference Result 220 states and 313 transitions. [2024-11-23 18:21:12,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:21:12,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 132 [2024-11-23 18:21:12,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:12,788 INFO L225 Difference]: With dead ends: 220 [2024-11-23 18:21:12,788 INFO L226 Difference]: Without dead ends: 113 [2024-11-23 18:21:12,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:21:12,792 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:12,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 450 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:21:12,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-23 18:21:12,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-23 18:21:12,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:21:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-11-23 18:21:12,816 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 132 [2024-11-23 18:21:12,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:12,818 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-11-23 18:21:12,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-11-23 18:21:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-23 18:21:12,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:12,824 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:12,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:21:12,824 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:12,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:12,825 INFO L85 PathProgramCache]: Analyzing trace with hash 569217671, now seen corresponding path program 1 times [2024-11-23 18:21:12,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:12,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736136506] [2024-11-23 18:21:12,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:12,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 18:21:13,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:13,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736136506] [2024-11-23 18:21:13,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736136506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:13,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:13,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:21:13,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846434282] [2024-11-23 18:21:13,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:13,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:21:13,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:13,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:21:13,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:21:13,590 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:13,697 INFO L93 Difference]: Finished difference Result 222 states and 314 transitions. [2024-11-23 18:21:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:21:13,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 132 [2024-11-23 18:21:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:13,703 INFO L225 Difference]: With dead ends: 222 [2024-11-23 18:21:13,703 INFO L226 Difference]: Without dead ends: 113 [2024-11-23 18:21:13,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:21:13,709 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 65 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:13,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 374 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:21:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-23 18:21:13,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-23 18:21:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:21:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 157 transitions. [2024-11-23 18:21:13,731 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 157 transitions. Word has length 132 [2024-11-23 18:21:13,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:13,732 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 157 transitions. [2024-11-23 18:21:13,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2024-11-23 18:21:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-23 18:21:13,738 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:13,738 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:13,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:21:13,739 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:13,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:13,739 INFO L85 PathProgramCache]: Analyzing trace with hash -184917182, now seen corresponding path program 1 times [2024-11-23 18:21:13,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:13,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658947687] [2024-11-23 18:21:13,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:13,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:15,416 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 18:21:15,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:15,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658947687] [2024-11-23 18:21:15,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658947687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:15,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106964506] [2024-11-23 18:21:15,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:15,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:15,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:15,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:21:15,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:21:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:16,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 18:21:16,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:16,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-23 18:21:16,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-23 18:21:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-23 18:21:16,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:21:16,900 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 18:21:16,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106964506] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:21:16,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:21:16,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2024-11-23 18:21:16,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505567287] [2024-11-23 18:21:16,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:21:16,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 18:21:16,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:16,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 18:21:16,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-23 18:21:16,907 INFO L87 Difference]: Start difference. First operand 112 states and 157 transitions. Second operand has 17 states, 14 states have (on average 7.5) internal successors, (105), 17 states have internal predecessors, (105), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2024-11-23 18:21:17,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:17,722 INFO L93 Difference]: Finished difference Result 231 states and 321 transitions. [2024-11-23 18:21:17,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 18:21:17,723 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 7.5) internal successors, (105), 17 states have internal predecessors, (105), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) Word has length 134 [2024-11-23 18:21:17,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:17,725 INFO L225 Difference]: With dead ends: 231 [2024-11-23 18:21:17,725 INFO L226 Difference]: Without dead ends: 122 [2024-11-23 18:21:17,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2024-11-23 18:21:17,727 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 441 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:17,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 760 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:21:17,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-23 18:21:17,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2024-11-23 18:21:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 99 states have internal predecessors, (130), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:21:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 162 transitions. [2024-11-23 18:21:17,742 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 162 transitions. Word has length 134 [2024-11-23 18:21:17,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:17,742 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 162 transitions. [2024-11-23 18:21:17,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 7.5) internal successors, (105), 17 states have internal predecessors, (105), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2024-11-23 18:21:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2024-11-23 18:21:17,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 18:21:17,745 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:17,746 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:17,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 18:21:17,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:17,952 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:17,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:17,952 INFO L85 PathProgramCache]: Analyzing trace with hash -89491912, now seen corresponding path program 1 times [2024-11-23 18:21:17,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:17,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836734634] [2024-11-23 18:21:17,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:17,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 18:21:19,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:19,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836734634] [2024-11-23 18:21:19,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836734634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:19,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067125725] [2024-11-23 18:21:19,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:19,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:19,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:19,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:21:19,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:21:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:20,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 18:21:20,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:20,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 18:21:20,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-11-23 18:21:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 199 proven. 33 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-23 18:21:20,910 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:21:21,630 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 22 treesize of output 10 [2024-11-23 18:21:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-23 18:21:21,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067125725] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:21:21,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:21:21,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 31 [2024-11-23 18:21:21,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612738241] [2024-11-23 18:21:21,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:21:21,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-23 18:21:21,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:21,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-23 18:21:21,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=822, Unknown=0, NotChecked=0, Total=930 [2024-11-23 18:21:21,910 INFO L87 Difference]: Start difference. First operand 118 states and 162 transitions. Second operand has 31 states, 28 states have (on average 5.392857142857143) internal successors, (151), 31 states have internal predecessors, (151), 9 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (48), 6 states have call predecessors, (48), 9 states have call successors, (48) [2024-11-23 18:21:26,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:26,364 INFO L93 Difference]: Finished difference Result 437 states and 592 transitions. [2024-11-23 18:21:26,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-23 18:21:26,366 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 5.392857142857143) internal successors, (151), 31 states have internal predecessors, (151), 9 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (48), 6 states have call predecessors, (48), 9 states have call successors, (48) Word has length 135 [2024-11-23 18:21:26,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:26,368 INFO L225 Difference]: With dead ends: 437 [2024-11-23 18:21:26,371 INFO L226 Difference]: Without dead ends: 313 [2024-11-23 18:21:26,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1555 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=848, Invalid=5314, Unknown=0, NotChecked=0, Total=6162 [2024-11-23 18:21:26,378 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 912 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 2864 SdHoareTripleChecker+Invalid, 2256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:26,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 2864 Invalid, 2256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [289 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-23 18:21:26,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-23 18:21:26,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 295. [2024-11-23 18:21:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 237 states have (on average 1.2869198312236287) internal successors, (305), 238 states have internal predecessors, (305), 48 states have call successors, (48), 9 states have call predecessors, (48), 9 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-23 18:21:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 401 transitions. [2024-11-23 18:21:26,433 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 401 transitions. Word has length 135 [2024-11-23 18:21:26,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:26,434 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 401 transitions. [2024-11-23 18:21:26,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 28 states have (on average 5.392857142857143) internal successors, (151), 31 states have internal predecessors, (151), 9 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (48), 6 states have call predecessors, (48), 9 states have call successors, (48) [2024-11-23 18:21:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 401 transitions. [2024-11-23 18:21:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 18:21:26,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:26,438 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:26,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 18:21:26,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:26,639 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:26,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:26,640 INFO L85 PathProgramCache]: Analyzing trace with hash -156385866, now seen corresponding path program 1 times [2024-11-23 18:21:26,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:26,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83634542] [2024-11-23 18:21:26,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:26,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 18:21:26,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533719969] [2024-11-23 18:21:26,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:26,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:26,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:26,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:21:26,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 18:21:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:21:27,379 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:21:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:21:27,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:21:27,839 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:21:27,840 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:21:27,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 18:21:28,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:28,045 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-23 18:21:28,184 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:21:28,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:21:28 BoogieIcfgContainer [2024-11-23 18:21:28,190 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:21:28,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:21:28,191 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:21:28,191 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:21:28,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:10" (3/4) ... [2024-11-23 18:21:28,194 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:21:28,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:21:28,196 INFO L158 Benchmark]: Toolchain (without parser) took 19157.30ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 94.4MB in the beginning and 118.4MB in the end (delta: -24.0MB). Peak memory consumption was 196.7MB. Max. memory is 16.1GB. [2024-11-23 18:21:28,197 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:21:28,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.28ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 78.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:21:28,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.06ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.4MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:21:28,199 INFO L158 Benchmark]: Boogie Preprocessor took 116.57ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 68.9MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:21:28,199 INFO L158 Benchmark]: RCFGBuilder took 1062.04ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 85.8MB in the end (delta: -16.9MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-23 18:21:28,200 INFO L158 Benchmark]: TraceAbstraction took 17482.71ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 85.2MB in the beginning and 118.5MB in the end (delta: -33.2MB). Peak memory consumption was 190.2MB. Max. memory is 16.1GB. [2024-11-23 18:21:28,201 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 343.9MB. Free memory was 118.5MB in the beginning and 118.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:21:28,202 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.28ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 78.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.06ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.4MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 116.57ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 68.9MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1062.04ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 85.8MB in the end (delta: -16.9MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 17482.71ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 85.2MB in the beginning and 118.5MB in the end (delta: -33.2MB). Peak memory consumption was 190.2MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 343.9MB. Free memory was 118.5MB in the beginning and 118.4MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L22-L24] float float_Array_0[2][2] = { {50.4, 8.54}, {255.8, 1.8} }; [L25-L27] signed char signed_char_Array_0[2] = { -1, -16 }; [L25-L27] signed char signed_char_Array_0[2] = { -1, -16 }; [L25-L27] signed char signed_char_Array_0[2] = { -1, -16 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -64 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -64 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 0 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 0 }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 0}, {32, 5} }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 16 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 16 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 16 }; [L40] unsigned char last_1_unsigned_char_Array_0_0__1_ = 0; VAL [float_Array_0={4:0}, isInitial=0, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] isInitial = 1 [L97] FCALL initially() [L99] CALL updateLastVariables() [L89] EXPR unsigned_char_Array_0[0][1] [L89] last_1_unsigned_char_Array_0_0__1_ = unsigned_char_Array_0[0][1] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L62] float_Array_0[0][0] = __VERIFIER_nondet_float() [L63] EXPR float_Array_0[0][0] [L63] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F [L63] EXPR float_Array_0[0][0] [L63] EXPR float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] EXPR (float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] EXPR (float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] CALL assume_abort_if_not((float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L63] RET assume_abort_if_not((float_Array_0[0][0] >= 0.0F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 4611686.018427382800e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L64] float_Array_0[1][0] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[1][0] [L65] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F [L65] EXPR float_Array_0[1][0] [L65] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] CALL assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L65] RET assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 4611686.018427382800e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L66] float_Array_0[0][1] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[0][1] [L67] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L67] EXPR float_Array_0[0][1] [L67] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] CALL assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L67] RET assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L68] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L69] EXPR signed_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L69] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L69] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L70] EXPR signed_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L70] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L70] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L71] unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L72] EXPR unsigned_char_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L72] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L72] RET assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L73] EXPR unsigned_char_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L73] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] <= 127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L73] RET assume_abort_if_not(unsigned_char_Array_0[0][0] <= 127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L74] unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L75] EXPR unsigned_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L75] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L75] RET assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] EXPR unsigned_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] RET assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L78] EXPR unsigned_char_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] RET assume_abort_if_not(unsigned_char_Array_0[1][1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] EXPR unsigned_char_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] <= 127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] RET assume_abort_if_not(unsigned_char_Array_0[1][1] <= 127) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] EXPR unsigned_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L84] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967295) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967295) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] EXPR unsigned_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] != 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] RET assume_abort_if_not(unsigned_long_int_Array_0[1] != 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L100] RET updateVariables() [L101] CALL step() [L44] signed_long_int_Array_0[0] = ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))) [L45] EXPR float_Array_0[0][1] [L45] EXPR float_Array_0[1][0] [L45] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L45] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) [L45] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L45] float_Array_0[1][1] = ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))) [L46] EXPR signed_char_Array_0[1] [L46] signed_char_Array_0[0] = signed_char_Array_0[1] [L47] EXPR signed_char_Array_0[0] [L47] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L47] EXPR signed_char_Array_0[0] & signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L47] signed long int stepLocal_0 = signed_char_Array_0[0] & signed_long_int_Array_0[0]; [L48] EXPR unsigned_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L48] COND TRUE (- (3351680781u - unsigned_long_int_Array_0[0])) > stepLocal_0 [L49] EXPR unsigned_char_Array_0[1][0] [L49] EXPR unsigned_char_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L49] EXPR ((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]) [L49] EXPR unsigned_char_Array_0[1][1] [L49] EXPR ((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L49] EXPR ((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))) [L49] EXPR unsigned_char_Array_0[1][0] [L49] EXPR ((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L49] EXPR unsigned_char_Array_0[0][0] [L49] unsigned_char_Array_0[0][1] = (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]) [L51] EXPR signed_char_Array_0[0] [L51] EXPR unsigned_long_int_Array_0[1] [L51] EXPR unsigned_char_Array_0[0][1] [L51] EXPR unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L51] EXPR unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L51] COND FALSE !((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) [L54] EXPR signed_char_Array_0[0] [L54] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L54] COND TRUE signed_char_Array_0[0] >= signed_long_int_Array_0[0] [L55] EXPR unsigned_char_Array_0[0][0] [L55] EXPR unsigned_char_Array_0[1][1] [L55] signed_short_int_Array_0[0] = (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])) [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR signed_long_int_Array_0[0] [L92] EXPR (signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))))) [L92] EXPR float_Array_0[1][1] [L92] EXPR float_Array_0[0][1] [L92] EXPR float_Array_0[1][0] [L92] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) [L92] EXPR ((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f))))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256)))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR (((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256)))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256))))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR ((((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256))))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92-L93] return ((((signed_long_int_Array_0[0] == ((signed long int) ((((last_1_unsigned_char_Array_0_0__1_) < 0 ) ? -(last_1_unsigned_char_Array_0_0__1_) : (last_1_unsigned_char_Array_0_0__1_))))) && (float_Array_0[1][1] == ((float) ((float_Array_0[0][1] - float_Array_0[1][0]) + ((((256.5f) < ((float_Array_0[0][0] - 16.125f))) ? (256.5f) : ((float_Array_0[0][0] - 16.125f)))))))) && (((- (3351680781u - unsigned_long_int_Array_0[0])) > (signed_char_Array_0[0] & signed_long_int_Array_0[0])) ? (unsigned_char_Array_0[0][1] == ((unsigned char) (((((unsigned_char_Array_0[1][0]) < (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1]))))) ? (unsigned_char_Array_0[1][0]) : (((((unsigned_char_Array_0[1][1]) < 0 ) ? -(unsigned_char_Array_0[1][1]) : (unsigned_char_Array_0[1][1])))))) + unsigned_char_Array_0[0][0]))) : 1)) && (((signed_char_Array_0[0] / unsigned_long_int_Array_0[1]) < (unsigned_char_Array_0[0][1] >> unsigned_char_Array_0[0][1])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((4 - unsigned_char_Array_0[1][1]) < 0 ) ? -(4 - unsigned_char_Array_0[1][1]) : (4 - unsigned_char_Array_0[1][1]))))) : ((signed_char_Array_0[0] >= signed_long_int_Array_0[0]) ? (signed_short_int_Array_0[0] == ((signed short int) (-5 + (unsigned_char_Array_0[0][0] - unsigned_char_Array_0[1][1])))) : (signed_short_int_Array_0[0] == ((signed short int) 256))))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L19] reach_error() VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=0, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 6, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1420 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1419 mSDsluCounter, 4604 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3856 mSDsCounter, 386 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2318 IncrementalHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 386 mSolverCounterUnsat, 748 mSDtfsCounter, 2318 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 772 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1649 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=295occurred in iteration=5, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 1340 NumberOfCodeBlocks, 1340 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1325 ConstructedInterpolants, 0 QuantifiedInterpolants, 4196 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1427 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 4668/4800 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 18:21:28,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:21:31,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:21:31,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:21:31,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:21:31,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:21:31,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:21:31,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:21:31,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:21:31,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:21:31,322 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:21:31,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:21:31,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:21:31,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:21:31,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:21:31,323 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:21:31,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:21:31,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:21:31,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:21:31,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:21:31,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:21:31,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:21:31,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:21:31,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:21:31,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:21:31,330 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:21:31,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:21:31,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:21:31,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:21:31,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:21:31,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:21:31,331 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:21:31,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:31,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:21:31,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:31,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:31,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:21:31,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:31,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:21:31,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:31,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:31,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:21:31,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:21:31,332 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:21:31,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:21:31,332 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:21:31,332 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:21:31,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:21:31,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:21:31,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:21:31,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:21:31,334 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc5530f3297a60a6e62c32967b204622cc9ceb16e657d6b09a8ffa710c752296 [2024-11-23 18:21:31,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:21:31,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:21:31,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:21:31,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:21:31,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:21:31,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-11-23 18:21:34,909 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data/6becd0edd/320b35da68b340c4b3bde1fa37aaa28c/FLAG3f25d1f8a [2024-11-23 18:21:35,177 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:21:35,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i [2024-11-23 18:21:35,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data/6becd0edd/320b35da68b340c4b3bde1fa37aaa28c/FLAG3f25d1f8a [2024-11-23 18:21:35,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/data/6becd0edd/320b35da68b340c4b3bde1fa37aaa28c [2024-11-23 18:21:35,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:21:35,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:21:35,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:21:35,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:21:35,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:21:35,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:35" (1/1) ... [2024-11-23 18:21:35,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322b11f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:35, skipping insertion in model container [2024-11-23 18:21:35,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:35" (1/1) ... [2024-11-23 18:21:35,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:21:35,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-11-23 18:21:35,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:21:35,863 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:21:35,879 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-95.i[916,929] [2024-11-23 18:21:35,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:21:36,012 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:21:36,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36 WrapperNode [2024-11-23 18:21:36,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:21:36,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:21:36,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:21:36,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:21:36,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,075 INFO L138 Inliner]: procedures = 36, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 451 [2024-11-23 18:21:36,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:21:36,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:21:36,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:21:36,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:21:36,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,094 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,117 INFO L175 MemorySlicer]: Split 121 memory accesses to 7 slices as follows [2, 29, 15, 7, 7, 48, 13]. 40 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 4, 2, 1, 1, 4, 2]. The 16 writes are split as follows [0, 4, 2, 1, 3, 4, 2]. [2024-11-23 18:21:36,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:21:36,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:21:36,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:21:36,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:21:36,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:36,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:36,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:21:36,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:21:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:21:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 18:21:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 18:21:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 18:21:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 18:21:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:21:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-23 18:21:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-23 18:21:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-23 18:21:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 18:21:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 18:21:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-23 18:21:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-23 18:21:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-23 18:21:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-23 18:21:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-23 18:21:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-23 18:21:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-23 18:21:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-23 18:21:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-23 18:21:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-23 18:21:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-23 18:21:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-23 18:21:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-23 18:21:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-23 18:21:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-23 18:21:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-23 18:21:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-23 18:21:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-23 18:21:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-23 18:21:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 18:21:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-23 18:21:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:21:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:21:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:21:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:21:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 18:21:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 18:21:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 18:21:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 18:21:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 18:21:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-23 18:21:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-23 18:21:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-23 18:21:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-23 18:21:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-23 18:21:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-23 18:21:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-23 18:21:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-23 18:21:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-23 18:21:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-23 18:21:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-23 18:21:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-23 18:21:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-23 18:21:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-23 18:21:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-23 18:21:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-23 18:21:36,454 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:21:36,457 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:21:38,677 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-23 18:21:38,678 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:21:38,690 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:21:38,692 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:21:38,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:38 BoogieIcfgContainer [2024-11-23 18:21:38,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:21:38,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:21:38,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:21:38,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:21:38,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:21:35" (1/3) ... [2024-11-23 18:21:38,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fc4700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:38, skipping insertion in model container [2024-11-23 18:21:38,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (2/3) ... [2024-11-23 18:21:38,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fc4700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:38, skipping insertion in model container [2024-11-23 18:21:38,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:38" (3/3) ... [2024-11-23 18:21:38,707 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-95.i [2024-11-23 18:21:38,728 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:21:38,729 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-95.i that has 2 procedures, 103 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:21:38,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:21:38,811 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18d004e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:21:38,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:21:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 84 states have (on average 1.4047619047619047) internal successors, (118), 85 states have internal predecessors, (118), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:21:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 18:21:38,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:38,830 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:38,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:38,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:38,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1308038037, now seen corresponding path program 1 times [2024-11-23 18:21:38,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:38,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131831495] [2024-11-23 18:21:38,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:38,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:38,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:38,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:21:38,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 18:21:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:39,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:21:39,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-23 18:21:39,623 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:39,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:39,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131831495] [2024-11-23 18:21:39,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131831495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:39,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:39,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:21:39,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003409213] [2024-11-23 18:21:39,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:39,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:21:39,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:39,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:21:39,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:21:39,655 INFO L87 Difference]: Start difference. First operand has 103 states, 84 states have (on average 1.4047619047619047) internal successors, (118), 85 states have internal predecessors, (118), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 18:21:39,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:39,703 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-11-23 18:21:39,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:21:39,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 129 [2024-11-23 18:21:39,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:39,712 INFO L225 Difference]: With dead ends: 199 [2024-11-23 18:21:39,712 INFO L226 Difference]: Without dead ends: 99 [2024-11-23 18:21:39,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:21:39,719 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:39,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:21:39,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-23 18:21:39,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-23 18:21:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 81 states have (on average 1.3209876543209877) internal successors, (107), 81 states have internal predecessors, (107), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:21:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2024-11-23 18:21:39,794 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 129 [2024-11-23 18:21:39,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:39,795 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2024-11-23 18:21:39,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 18:21:39,795 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2024-11-23 18:21:39,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-23 18:21:39,798 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:39,799 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:39,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 18:21:40,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:40,003 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:40,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:40,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1652192455, now seen corresponding path program 1 times [2024-11-23 18:21:40,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:40,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548937709] [2024-11-23 18:21:40,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:40,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:40,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:40,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:21:40,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 18:21:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:40,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 18:21:40,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:40,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 18:21:41,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 31 [2024-11-23 18:21:41,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 8 [2024-11-23 18:21:41,372 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-23 18:21:41,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-23 18:21:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 18:21:41,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:41,580 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:41,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548937709] [2024-11-23 18:21:41,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548937709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:41,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:41,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:21:41,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844141613] [2024-11-23 18:21:41,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:41,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:21:41,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:41,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:21:41,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:21:41,585 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:44,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:44,378 INFO L93 Difference]: Finished difference Result 380 states and 537 transitions. [2024-11-23 18:21:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:21:44,383 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-11-23 18:21:44,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:44,386 INFO L225 Difference]: With dead ends: 380 [2024-11-23 18:21:44,386 INFO L226 Difference]: Without dead ends: 284 [2024-11-23 18:21:44,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:21:44,388 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 254 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:44,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 669 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-23 18:21:44,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-23 18:21:44,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 200. [2024-11-23 18:21:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 165 states have (on average 1.3272727272727274) internal successors, (219), 165 states have internal predecessors, (219), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:21:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 283 transitions. [2024-11-23 18:21:44,448 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 283 transitions. Word has length 129 [2024-11-23 18:21:44,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:44,450 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 283 transitions. [2024-11-23 18:21:44,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 283 transitions. [2024-11-23 18:21:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 18:21:44,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:44,453 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:44,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 18:21:44,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:44,657 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:44,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:44,658 INFO L85 PathProgramCache]: Analyzing trace with hash 45672898, now seen corresponding path program 1 times [2024-11-23 18:21:44,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:44,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271982093] [2024-11-23 18:21:44,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:44,659 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:44,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:44,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:21:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 18:21:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:45,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:21:45,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 18:21:45,352 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:45,353 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:45,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271982093] [2024-11-23 18:21:45,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271982093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:45,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:45,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:21:45,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799676069] [2024-11-23 18:21:45,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:45,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:21:45,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:45,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:21:45,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:21:45,359 INFO L87 Difference]: Start difference. First operand 200 states and 283 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:45,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:45,458 INFO L93 Difference]: Finished difference Result 407 states and 577 transitions. [2024-11-23 18:21:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:21:45,459 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-23 18:21:45,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:45,462 INFO L225 Difference]: With dead ends: 407 [2024-11-23 18:21:45,462 INFO L226 Difference]: Without dead ends: 210 [2024-11-23 18:21:45,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:21:45,469 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:45,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 523 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:21:45,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-23 18:21:45,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-11-23 18:21:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.3121387283236994) internal successors, (227), 173 states have internal predecessors, (227), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:21:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 291 transitions. [2024-11-23 18:21:45,497 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 291 transitions. Word has length 131 [2024-11-23 18:21:45,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:45,498 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 291 transitions. [2024-11-23 18:21:45,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 291 transitions. [2024-11-23 18:21:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 18:21:45,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:45,501 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:45,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 18:21:45,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:45,705 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:45,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:45,706 INFO L85 PathProgramCache]: Analyzing trace with hash 47519940, now seen corresponding path program 1 times [2024-11-23 18:21:45,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:45,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142105056] [2024-11-23 18:21:45,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:45,707 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:45,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:45,711 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:21:45,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 18:21:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:46,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:21:46,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:46,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-23 18:21:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 18:21:46,590 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:46,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:46,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142105056] [2024-11-23 18:21:46,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142105056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:46,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:46,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:21:46,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54435351] [2024-11-23 18:21:46,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:46,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:21:46,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:46,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:21:46,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:21:46,592 INFO L87 Difference]: Start difference. First operand 208 states and 291 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:48,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:48,662 INFO L93 Difference]: Finished difference Result 415 states and 581 transitions. [2024-11-23 18:21:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:21:48,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-23 18:21:48,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:48,672 INFO L225 Difference]: With dead ends: 415 [2024-11-23 18:21:48,673 INFO L226 Difference]: Without dead ends: 210 [2024-11-23 18:21:48,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:21:48,674 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 133 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:48,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 439 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 18:21:48,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-23 18:21:48,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-11-23 18:21:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.300578034682081) internal successors, (225), 173 states have internal predecessors, (225), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:21:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 289 transitions. [2024-11-23 18:21:48,700 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 289 transitions. Word has length 131 [2024-11-23 18:21:48,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:48,700 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 289 transitions. [2024-11-23 18:21:48,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 18:21:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 289 transitions. [2024-11-23 18:21:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 18:21:48,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:48,703 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:48,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-23 18:21:48,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:48,904 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:48,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:48,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1931690690, now seen corresponding path program 1 times [2024-11-23 18:21:48,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:48,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119555172] [2024-11-23 18:21:48,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:48,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:48,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:48,909 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:21:48,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 18:21:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:49,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:21:49,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:49,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-23 18:21:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-23 18:21:49,672 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:49,672 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:49,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119555172] [2024-11-23 18:21:49,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [119555172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:49,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:49,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:21:49,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143144166] [2024-11-23 18:21:49,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:49,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:21:49,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:49,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:21:49,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:21:49,675 INFO L87 Difference]: Start difference. First operand 208 states and 289 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 18:21:51,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:51,716 INFO L93 Difference]: Finished difference Result 415 states and 577 transitions. [2024-11-23 18:21:51,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:21:51,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-23 18:21:51,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:51,726 INFO L225 Difference]: With dead ends: 415 [2024-11-23 18:21:51,726 INFO L226 Difference]: Without dead ends: 210 [2024-11-23 18:21:51,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:21:51,728 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 121 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:51,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 434 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 18:21:51,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-23 18:21:51,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-11-23 18:21:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.2890173410404624) internal successors, (223), 173 states have internal predecessors, (223), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:21:51,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 287 transitions. [2024-11-23 18:21:51,757 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 287 transitions. Word has length 133 [2024-11-23 18:21:51,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:51,758 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 287 transitions. [2024-11-23 18:21:51,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 18:21:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 287 transitions. [2024-11-23 18:21:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 18:21:51,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:51,761 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:51,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 18:21:51,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:51,962 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:51,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:51,962 INFO L85 PathProgramCache]: Analyzing trace with hash -457718140, now seen corresponding path program 1 times [2024-11-23 18:21:51,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:51,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106664282] [2024-11-23 18:21:51,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:51,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:51,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:51,965 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:21:51,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-23 18:21:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:52,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:21:52,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:52,865 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 95 treesize of output 41 [2024-11-23 18:21:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-23 18:21:52,906 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:52,906 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:52,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106664282] [2024-11-23 18:21:52,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106664282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:52,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:52,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:21:52,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397617408] [2024-11-23 18:21:52,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:52,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:21:52,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:52,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:21:52,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:21:52,909 INFO L87 Difference]: Start difference. First operand 208 states and 287 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 18:21:54,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:54,855 INFO L93 Difference]: Finished difference Result 415 states and 573 transitions. [2024-11-23 18:21:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:21:54,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2024-11-23 18:21:54,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:54,866 INFO L225 Difference]: With dead ends: 415 [2024-11-23 18:21:54,866 INFO L226 Difference]: Without dead ends: 210 [2024-11-23 18:21:54,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:21:54,868 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 113 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:54,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 429 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-23 18:21:54,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-23 18:21:54,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-11-23 18:21:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 173 states have (on average 1.277456647398844) internal successors, (221), 173 states have internal predecessors, (221), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 18:21:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 285 transitions. [2024-11-23 18:21:54,897 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 285 transitions. Word has length 135 [2024-11-23 18:21:54,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:54,897 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 285 transitions. [2024-11-23 18:21:54,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 18:21:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 285 transitions. [2024-11-23 18:21:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 18:21:54,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:54,900 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:54,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-23 18:21:55,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:55,100 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:55,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash -733443842, now seen corresponding path program 1 times [2024-11-23 18:21:55,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:55,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079640267] [2024-11-23 18:21:55,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:55,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:55,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:55,103 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:21:55,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-23 18:21:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:56,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 18:21:56,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:56,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 18:21:56,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 18:21:56,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 18:21:56,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 39 [2024-11-23 18:21:56,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2024-11-23 18:21:56,805 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-23 18:21:56,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 18:21:56,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-23 18:21:56,891 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 14 treesize of output 10 [2024-11-23 18:21:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-23 18:21:56,953 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:21:57,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-11-23 18:21:57,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-11-23 18:21:57,147 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 18:21:57,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 45 [2024-11-23 18:21:57,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2024-11-23 18:21:57,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 6 [2024-11-23 18:21:57,288 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:57,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079640267] [2024-11-23 18:21:57,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079640267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:57,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1223379853] [2024-11-23 18:21:57,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:57,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:21:57,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:21:57,290 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:21:57,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-23 18:21:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:59,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:21:59,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:59,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-23 18:22:00,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 18:22:00,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 18:22:01,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-23 18:22:01,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 18:22:01,851 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 98 treesize of output 78 [2024-11-23 18:22:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 183 proven. 9 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-23 18:22:01,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:22:02,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-23 18:22:02,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2024-11-23 18:22:02,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1223379853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:22:02,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:22:02,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2024-11-23 18:22:02,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204126058] [2024-11-23 18:22:02,246 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:22:02,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-23 18:22:02,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:22:02,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-23 18:22:02,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2024-11-23 18:22:02,248 INFO L87 Difference]: Start difference. First operand 208 states and 285 transitions. Second operand has 19 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 18 states have internal predecessors, (120), 6 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-23 18:22:09,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:09,209 INFO L93 Difference]: Finished difference Result 460 states and 625 transitions. [2024-11-23 18:22:09,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 18:22:09,214 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 18 states have internal predecessors, (120), 6 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 137 [2024-11-23 18:22:09,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:09,217 INFO L225 Difference]: With dead ends: 460 [2024-11-23 18:22:09,217 INFO L226 Difference]: Without dead ends: 255 [2024-11-23 18:22:09,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2024-11-23 18:22:09,219 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 422 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:09,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1381 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-11-23 18:22:09,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-23 18:22:09,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 247. [2024-11-23 18:22:09,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 199 states have (on average 1.2512562814070352) internal successors, (249), 200 states have internal predecessors, (249), 43 states have call successors, (43), 4 states have call predecessors, (43), 4 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-23 18:22:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 335 transitions. [2024-11-23 18:22:09,250 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 335 transitions. Word has length 137 [2024-11-23 18:22:09,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:09,252 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 335 transitions. [2024-11-23 18:22:09,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 18 states have internal predecessors, (120), 6 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-23 18:22:09,252 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 335 transitions. [2024-11-23 18:22:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-23 18:22:09,254 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:09,254 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:09,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-23 18:22:09,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-23 18:22:09,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 18:22:09,656 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:09,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:09,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1997671237, now seen corresponding path program 1 times [2024-11-23 18:22:09,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:22:09,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875833971] [2024-11-23 18:22:09,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:09,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:22:09,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:22:09,659 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:22:09,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42354033-8c7d-49cd-9692-18172f3166e6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process