./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB --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 abbff6ecf7c52e46d71543d2bdba93ca4d1ac478e10fca6c71bd3d1c9baf5e12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:24:40,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:24:40,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:24:40,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:24:40,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:24:41,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:24:41,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:24:41,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:24:41,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:24:41,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:24:41,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:24:41,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:24:41,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:24:41,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:24:41,020 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:24:41,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:24:41,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:24:41,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:24:41,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:24:41,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:24:41,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:24:41,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:24:41,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:24:41,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:24:41,023 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:24:41,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:24:41,023 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:24:41,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:24:41,024 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:24:41,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:24:41,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:24:41,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:24:41,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:41,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:24:41,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:24:41,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:24:41,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:24:41,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:41,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:24:41,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:24:41,025 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:24:41,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:24:41,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:24:41,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:24:41,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:24:41,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:24:41,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:24:41,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:24:41,027 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_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB 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 -> abbff6ecf7c52e46d71543d2bdba93ca4d1ac478e10fca6c71bd3d1c9baf5e12 [2024-11-28 05:24:41,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:24:41,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:24:41,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:24:41,420 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:24:41,421 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:24:41,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i [2024-11-28 05:24:45,177 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data/3c8af1551/3f0d0cf2faf444b4afda0586ae581f68/FLAG6c114bd56 [2024-11-28 05:24:45,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:24:45,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i [2024-11-28 05:24:45,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data/3c8af1551/3f0d0cf2faf444b4afda0586ae581f68/FLAG6c114bd56 [2024-11-28 05:24:45,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data/3c8af1551/3f0d0cf2faf444b4afda0586ae581f68 [2024-11-28 05:24:45,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:24:45,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:24:45,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:24:45,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:24:45,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:24:45,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:45,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c78d3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45, skipping insertion in model container [2024-11-28 05:24:45,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:45,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:24:45,753 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_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i[916,929] [2024-11-28 05:24:45,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:24:45,867 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:24:45,880 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_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i[916,929] [2024-11-28 05:24:45,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:24:45,964 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:24:45,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45 WrapperNode [2024-11-28 05:24:45,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:24:45,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:24:45,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:24:45,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:24:45,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,094 INFO L138 Inliner]: procedures = 29, calls = 171, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 494 [2024-11-28 05:24:46,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:24:46,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:24:46,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:24:46,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:24:46,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,160 INFO L175 MemorySlicer]: Split 136 memory accesses to 6 slices as follows [2, 14, 13, 45, 33, 29]. 33 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 2, 2, 5, 3, 4]. The 20 writes are split as follows [0, 2, 2, 6, 5, 5]. [2024-11-28 05:24:46,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,200 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:24:46,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:24:46,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:24:46,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:24:46,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (1/1) ... [2024-11-28 05:24:46,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:46,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:24:46,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:24:46,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 05:24:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 05:24:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 05:24:46,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:24:46,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:24:46,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:24:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:24:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:24:46,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:24:46,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 05:24:46,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:24:46,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:24:46,566 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:24:46,570 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:24:47,370 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-28 05:24:47,371 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:24:47,437 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:24:47,437 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:24:47,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:47 BoogieIcfgContainer [2024-11-28 05:24:47,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:24:47,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:24:47,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:24:47,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:24:47,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:24:45" (1/3) ... [2024-11-28 05:24:47,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464ba15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:47, skipping insertion in model container [2024-11-28 05:24:47,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:45" (2/3) ... [2024-11-28 05:24:47,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464ba15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:47, skipping insertion in model container [2024-11-28 05:24:47,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:47" (3/3) ... [2024-11-28 05:24:47,453 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-20.i [2024-11-28 05:24:47,477 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:24:47,479 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-20.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:24:47,575 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:24:47,596 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;@284bd08b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:24:47,596 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:24:47,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:24:47,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 05:24:47,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:47,623 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:24:47,624 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:47,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:47,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1837224321, now seen corresponding path program 1 times [2024-11-28 05:24:47,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:47,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768822256] [2024-11-28 05:24:47,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:47,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 05:24:48,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:48,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768822256] [2024-11-28 05:24:48,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768822256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:24:48,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621971785] [2024-11-28 05:24:48,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:48,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:24:48,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:24:48,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:24:48,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:24:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:48,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:24:48,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:24:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 05:24:48,725 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:24:48,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621971785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:48,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:24:48,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:24:48,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996811947] [2024-11-28 05:24:48,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:48,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:24:48,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:48,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:24:48,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:24:48,760 INFO L87 Difference]: Start difference. First operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:24:48,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:48,795 INFO L93 Difference]: Finished difference Result 219 states and 347 transitions. [2024-11-28 05:24:48,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:24:48,798 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 05:24:48,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:48,806 INFO L225 Difference]: With dead ends: 219 [2024-11-28 05:24:48,806 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 05:24:48,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:24:48,814 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 [2024-11-28 05:24:48,815 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] [2024-11-28 05:24:48,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 05:24:48,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-28 05:24:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:24:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-28 05:24:48,925 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 152 [2024-11-28 05:24:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:48,925 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-28 05:24:48,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:24:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-28 05:24:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 05:24:48,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:48,930 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:24:48,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:24:49,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:24:49,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:49,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:49,132 INFO L85 PathProgramCache]: Analyzing trace with hash 288568115, now seen corresponding path program 1 times [2024-11-28 05:24:49,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:49,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848993433] [2024-11-28 05:24:49,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:49,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 05:24:49,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:49,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848993433] [2024-11-28 05:24:49,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848993433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:49,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:49,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:24:49,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240080630] [2024-11-28 05:24:49,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:49,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:24:49,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:49,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:24:49,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:24:49,762 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:24:49,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:49,844 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2024-11-28 05:24:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:24:49,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 05:24:49,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:49,851 INFO L225 Difference]: With dead ends: 217 [2024-11-28 05:24:49,851 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 05:24:49,852 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 [2024-11-28 05:24:49,857 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:49,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:24:49,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 05:24:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-28 05:24:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:24:49,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2024-11-28 05:24:49,885 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 152 [2024-11-28 05:24:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:49,887 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2024-11-28 05:24:49,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:24:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-11-28 05:24:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 05:24:49,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:49,894 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:24:49,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:24:49,894 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:49,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:49,895 INFO L85 PathProgramCache]: Analyzing trace with hash 170126641, now seen corresponding path program 1 times [2024-11-28 05:24:49,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:49,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549318878] [2024-11-28 05:24:49,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:49,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:24:50,318 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:24:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:24:50,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:24:50,646 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:24:50,647 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:24:50,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:24:50,654 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 05:24:50,768 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:24:50,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:24:50 BoogieIcfgContainer [2024-11-28 05:24:50,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:24:50,774 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:24:50,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:24:50,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:24:50,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:47" (3/4) ... [2024-11-28 05:24:50,778 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:24:50,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:24:50,780 INFO L158 Benchmark]: Toolchain (without parser) took 5264.33ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 36.0MB in the end (delta: 56.1MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-11-28 05:24:50,781 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:50,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.55ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:24:50,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.74ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.8MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:50,782 INFO L158 Benchmark]: Boogie Preprocessor took 125.16ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 68.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:24:50,782 INFO L158 Benchmark]: RCFGBuilder took 1216.14ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 89.4MB in the end (delta: -21.3MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-28 05:24:50,783 INFO L158 Benchmark]: TraceAbstraction took 3332.93ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 36.0MB in the end (delta: 52.9MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2024-11-28 05:24:50,783 INFO L158 Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 117.4MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:50,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.55ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.74ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.8MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 125.16ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 68.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1216.14ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 89.4MB in the end (delta: -21.3MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3332.93ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 36.0MB in the end (delta: 52.9MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Witness Printer took 5.69ms. Allocated memory is still 117.4MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryArithmeticFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[2] = { 4.6, 10.2 }; [L25-L27] double double_Array_0[2] = { 4.6, 10.2 }; [L25-L27] double double_Array_0[2] = { 4.6, 10.2 }; [L28-L30] float float_Array_0[5] = { 999999999999.4, 8.5, 2.95, 0.0, 0.6 }; [L28-L30] float float_Array_0[5] = { 999999999999.4, 8.5, 2.95, 0.0, 0.6 }; [L28-L30] float float_Array_0[5] = { 999999999999.4, 8.5, 2.95, 0.0, 0.6 }; [L28-L30] float float_Array_0[5] = { 999999999999.4, 8.5, 2.95, 0.0, 0.6 }; [L28-L30] float float_Array_0[5] = { 999999999999.4, 8.5, 2.95, 0.0, 0.6 }; [L28-L30] float float_Array_0[5] = { 999999999999.4, 8.5, 2.95, 0.0, 0.6 }; [L31-L33] unsigned char unsigned_char_Array_0[3] = { 100, 1, 128 }; [L31-L33] unsigned char unsigned_char_Array_0[3] = { 100, 1, 128 }; [L31-L33] unsigned char unsigned_char_Array_0[3] = { 100, 1, 128 }; [L31-L33] unsigned char unsigned_char_Array_0[3] = { 100, 1, 128 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {25, 256}, {1, 3724367395} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {25, 256}, {1, 3724367395} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {25, 256}, {1, 3724367395} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {25, 256}, {1, 3724367395} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {25, 256}, {1, 3724367395} }; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] isInitial = 1 [L107] FCALL initially() [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L67] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L73] double_Array_0[0] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[0] [L74] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L74] EXPR double_Array_0[0] [L74] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] float_Array_0[0] = __VERIFIER_nondet_float() [L76] EXPR float_Array_0[0] [L76] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F [L76] EXPR float_Array_0[0] [L76] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] CALL assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] RET assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] float_Array_0[1] = __VERIFIER_nondet_float() [L78] EXPR float_Array_0[1] [L78] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L78] EXPR float_Array_0[1] [L78] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] float_Array_0[2] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[2] [L80] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L80] EXPR float_Array_0[2] [L80] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] RET assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] float_Array_0[3] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[3] [L82] EXPR float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] EXPR float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F [L82] EXPR float_Array_0[3] [L82] EXPR float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] EXPR (float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] EXPR (float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] CALL assume_abort_if_not((float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] RET assume_abort_if_not((float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L84] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L87] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] unsigned_long_int_Array_0[0][0] = __VERIFIER_nondet_ulong() [L90] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L93] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L93] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L96] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 3221225470) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L96] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 3221225470) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L110] RET updateVariables() [L111] CALL step() [L40] BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L40] COND TRUE BOOL_unsigned_char_Array_0[1] [L41] EXPR float_Array_0[3] [L41] EXPR float_Array_0[2] [L41] EXPR float_Array_0[1] [L41] float_Array_0[4] = ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]) [L45] EXPR float_Array_0[2] [L45] EXPR float_Array_0[3] [L45] EXPR double_Array_0[0] [L45] double_Array_0[1] = ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0])) [L46] EXPR unsigned_long_int_Array_0[1][0] [L46] unsigned long int stepLocal_2 = unsigned_long_int_Array_0[1][0]; [L47] signed long int stepLocal_1 = 5; [L48] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L48] COND FALSE !(stepLocal_1 >= unsigned_long_int_Array_0[1][1]) [L59] EXPR BOOL_unsigned_char_Array_0[1] [L59] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[1]; [L60] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] COND TRUE BOOL_unsigned_char_Array_0[0] || stepLocal_0 [L61] EXPR unsigned_long_int_Array_0[1][1] [L61] EXPR unsigned_char_Array_0[1] [L61] EXPR unsigned_char_Array_0[1] [L61] unsigned_long_int_Array_0[0][1] = ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]) [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] EXPR BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0]))) [L102] EXPR float_Array_0[4] [L102] EXPR float_Array_0[3] [L102] EXPR float_Array_0[2] [L102] EXPR float_Array_0[1] [L102] EXPR BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] EXPR (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] EXPR (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0])))) [L102] EXPR double_Array_0[1] [L102] EXPR float_Array_0[2] [L102] EXPR float_Array_0[3] [L102] EXPR double_Array_0[0] [L102] EXPR (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] EXPR ((BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0]))))) && ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] EXPR ((BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0]))))) && ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] EXPR (((BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0]))))) && ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))) && ((5 >= unsigned_long_int_Array_0[1][1]) ? ((float_Array_0[4] >= double_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) (128 - 16))) : ((unsigned_long_int_Array_0[1][0] >= ((((unsigned_long_int_Array_0[0][0]) < 0 ) ? -(unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[0][0])))) ? (unsigned_char_Array_0[1] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] EXPR (((BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0]))))) && ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))) && ((5 >= unsigned_long_int_Array_0[1][1]) ? ((float_Array_0[4] >= double_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) (128 - 16))) : ((unsigned_long_int_Array_0[1][0] >= ((((unsigned_long_int_Array_0[0][0]) < 0 ) ? -(unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[0][0])))) ? (unsigned_char_Array_0[1] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102-L103] return (((BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0]))))) && ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))) && ((5 >= unsigned_long_int_Array_0[1][1]) ? ((float_Array_0[4] >= double_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) (128 - 16))) : ((unsigned_long_int_Array_0[1][0] >= ((((unsigned_long_int_Array_0[0][0]) < 0 ) ? -(unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[0][0])))) ? (unsigned_char_Array_0[1] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) : 1) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 607 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 297 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 310 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 453 ConstructedInterpolants, 0 QuantifiedInterpolants, 455 SizeOfPredicates, 0 NumberOfNonLiveVariables, 507 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2016/2052 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 [2024-11-28 05:24:50,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB --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 abbff6ecf7c52e46d71543d2bdba93ca4d1ac478e10fca6c71bd3d1c9baf5e12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:24:54,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:24:54,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:24:54,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:24:54,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:24:54,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:24:54,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:24:54,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:24:54,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:24:54,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:24:54,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:24:54,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:24:54,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:24:54,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:24:54,384 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:24:54,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:24:54,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:24:54,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:24:54,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:24:54,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:24:54,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:24:54,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:24:54,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:24:54,385 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:24:54,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:24:54,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:24:54,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:24:54,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:24:54,390 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:24:54,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:24:54,390 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:24:54,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:24:54,391 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:24:54,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:24:54,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:54,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:24:54,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:24:54,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:24:54,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:24:54,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:54,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:24:54,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:24:54,393 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:24:54,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:24:54,393 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:24:54,393 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:24:54,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:24:54,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:24:54,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:24:54,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:24:54,393 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_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB 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 -> abbff6ecf7c52e46d71543d2bdba93ca4d1ac478e10fca6c71bd3d1c9baf5e12 [2024-11-28 05:24:54,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:24:54,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:24:54,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:24:54,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:24:54,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:24:54,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i [2024-11-28 05:24:58,400 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data/e4ad8b0e6/aa040d6a93cd459faaa45be3231d4c10/FLAG307582c58 [2024-11-28 05:24:58,671 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:24:58,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i [2024-11-28 05:24:58,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data/e4ad8b0e6/aa040d6a93cd459faaa45be3231d4c10/FLAG307582c58 [2024-11-28 05:24:58,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/data/e4ad8b0e6/aa040d6a93cd459faaa45be3231d4c10 [2024-11-28 05:24:58,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:24:58,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:24:58,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:24:58,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:24:58,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:24:58,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:58" (1/1) ... [2024-11-28 05:24:58,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c524863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:58, skipping insertion in model container [2024-11-28 05:24:58,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:58" (1/1) ... [2024-11-28 05:24:58,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:24:58,929 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_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i[916,929] [2024-11-28 05:24:59,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:24:59,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:24:59,072 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_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i[916,929] [2024-11-28 05:24:59,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:24:59,180 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:24:59,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59 WrapperNode [2024-11-28 05:24:59,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:24:59,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:24:59,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:24:59,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:24:59,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,250 INFO L138 Inliner]: procedures = 36, calls = 171, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 494 [2024-11-28 05:24:59,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:24:59,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:24:59,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:24:59,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:24:59,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,316 INFO L175 MemorySlicer]: Split 136 memory accesses to 6 slices as follows [2, 14, 13, 45, 33, 29]. 33 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 2, 2, 5, 3, 4]. The 20 writes are split as follows [0, 2, 2, 6, 5, 5]. [2024-11-28 05:24:59,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,346 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:24:59,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:24:59,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:24:59,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:24:59,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (1/1) ... [2024-11-28 05:24:59,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:59,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:24:59,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:24:59,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:24:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:24:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 05:24:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 05:24:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 05:24:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 05:24:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 05:24:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 05:24:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 05:24:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 05:24:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 05:24:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 05:24:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 05:24:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 05:24:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 05:24:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 05:24:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 05:24:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 05:24:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 05:24:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 05:24:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:24:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 05:24:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 05:24:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 05:24:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 05:24:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 05:24:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 05:24:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 05:24:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 05:24:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 05:24:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:24:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:24:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 05:24:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 05:24:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 05:24:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 05:24:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 05:24:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 05:24:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 05:24:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 05:24:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 05:24:59,704 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:24:59,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:25:09,667 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-28 05:25:09,668 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:25:09,679 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:25:09,679 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:25:09,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:09 BoogieIcfgContainer [2024-11-28 05:25:09,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:25:09,682 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:25:09,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:25:09,687 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:25:09,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:24:58" (1/3) ... [2024-11-28 05:25:09,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a2d8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:09, skipping insertion in model container [2024-11-28 05:25:09,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:59" (2/3) ... [2024-11-28 05:25:09,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a2d8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:09, skipping insertion in model container [2024-11-28 05:25:09,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:09" (3/3) ... [2024-11-28 05:25:09,691 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-20.i [2024-11-28 05:25:09,707 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:25:09,708 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-20.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:25:09,762 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:25:09,773 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;@3381773c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:25:09,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:25:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 05:25:09,790 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:09,790 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:09,791 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:09,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:09,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1837224321, now seen corresponding path program 1 times [2024-11-28 05:25:09,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:09,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296306040] [2024-11-28 05:25:09,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:09,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:25:09,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:09,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:25:09,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:25:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:10,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:25:10,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-28 05:25:10,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:25:10,964 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:25:10,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296306040] [2024-11-28 05:25:10,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296306040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:10,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:10,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:25:10,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633120325] [2024-11-28 05:25:10,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:10,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:25:10,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:25:10,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:25:10,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:25:10,993 INFO L87 Difference]: Start difference. First operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:11,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:11,040 INFO L93 Difference]: Finished difference Result 219 states and 347 transitions. [2024-11-28 05:25:11,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:25:11,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 05:25:11,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:11,053 INFO L225 Difference]: With dead ends: 219 [2024-11-28 05:25:11,053 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 05:25:11,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:25:11,063 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 [2024-11-28 05:25:11,064 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] [2024-11-28 05:25:11,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 05:25:11,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-28 05:25:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-28 05:25:11,104 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 152 [2024-11-28 05:25:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:11,104 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-28 05:25:11,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-28 05:25:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 05:25:11,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:11,109 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:11,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:25:11,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:25:11,310 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:11,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:11,310 INFO L85 PathProgramCache]: Analyzing trace with hash 288568115, now seen corresponding path program 1 times [2024-11-28 05:25:11,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:11,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633751366] [2024-11-28 05:25:11,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:11,312 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 [2024-11-28 05:25:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:11,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:25:11,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:25:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:12,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:25:12,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-28 05:25:12,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:25:12,411 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:25:12,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633751366] [2024-11-28 05:25:12,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633751366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:12,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:12,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:25:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884074285] [2024-11-28 05:25:12,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:12,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:25:12,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:25:12,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:25:12,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:25:12,417 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:12,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:12,535 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2024-11-28 05:25:12,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:25:12,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 05:25:12,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:12,543 INFO L225 Difference]: With dead ends: 217 [2024-11-28 05:25:12,543 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 05:25:12,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:25:12,548 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:12,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:25:12,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 05:25:12,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-28 05:25:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2024-11-28 05:25:12,570 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 152 [2024-11-28 05:25:12,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:12,573 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2024-11-28 05:25:12,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-11-28 05:25:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 05:25:12,579 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:12,579 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:12,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:25:12,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:25:12,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:12,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:12,781 INFO L85 PathProgramCache]: Analyzing trace with hash 170126641, now seen corresponding path program 1 times [2024-11-28 05:25:12,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:12,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540662758] [2024-11-28 05:25:12,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:12,782 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 [2024-11-28 05:25:12,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:12,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:25:12,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:25:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:13,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:25:13,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:14,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:25:14,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-28 05:25:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-28 05:25:14,251 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:25:14,251 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:25:14,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1540662758] [2024-11-28 05:25:14,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1540662758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:14,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:14,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:25:14,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414901100] [2024-11-28 05:25:14,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:14,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:25:14,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:25:14,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:25:14,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:25:14,254 INFO L87 Difference]: Start difference. First operand 111 states and 158 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:19,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:25:25,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:25:27,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:25:28,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:28,228 INFO L93 Difference]: Finished difference Result 220 states and 314 transitions. [2024-11-28 05:25:28,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:25:28,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-28 05:25:28,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:28,233 INFO L225 Difference]: With dead ends: 220 [2024-11-28 05:25:28,233 INFO L226 Difference]: Without dead ends: 112 [2024-11-28 05:25:28,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:25:28,235 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 136 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:28,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 452 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2024-11-28 05:25:28,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-28 05:25:28,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2024-11-28 05:25:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 90 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:28,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2024-11-28 05:25:28,247 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 152 [2024-11-28 05:25:28,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:28,247 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2024-11-28 05:25:28,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-11-28 05:25:28,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-28 05:25:28,250 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:28,250 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:28,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:25:28,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:25:28,451 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:28,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:28,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1730604853, now seen corresponding path program 1 times [2024-11-28 05:25:28,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:28,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16203689] [2024-11-28 05:25:28,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:28,453 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 [2024-11-28 05:25:28,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:28,456 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:25:28,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:25:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:29,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:25:29,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 05:25:29,534 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:25:29,534 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:25:29,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16203689] [2024-11-28 05:25:29,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16203689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:29,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:29,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:25:29,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339249405] [2024-11-28 05:25:29,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:29,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:25:29,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:25:29,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:25:29,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:25:29,536 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 05:25:30,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:30,167 INFO L93 Difference]: Finished difference Result 223 states and 316 transitions. [2024-11-28 05:25:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:25:30,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 154 [2024-11-28 05:25:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:30,172 INFO L225 Difference]: With dead ends: 223 [2024-11-28 05:25:30,172 INFO L226 Difference]: Without dead ends: 113 [2024-11-28 05:25:30,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:25:30,176 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 1 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:30,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 615 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:25:30,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-28 05:25:30,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-11-28 05:25:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 90 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 156 transitions. [2024-11-28 05:25:30,200 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 156 transitions. Word has length 154 [2024-11-28 05:25:30,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:30,200 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 156 transitions. [2024-11-28 05:25:30,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-28 05:25:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 156 transitions. [2024-11-28 05:25:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-28 05:25:30,206 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:30,207 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:30,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 05:25:30,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:25:30,408 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:30,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:30,408 INFO L85 PathProgramCache]: Analyzing trace with hash -513953545, now seen corresponding path program 1 times [2024-11-28 05:25:30,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:30,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283655004] [2024-11-28 05:25:30,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:30,409 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 [2024-11-28 05:25:30,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:30,411 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:25:30,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:25:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:31,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:25:31,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:31,826 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 95 treesize of output 41 [2024-11-28 05:25:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-28 05:25:31,931 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:25:31,932 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:25:31,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283655004] [2024-11-28 05:25:31,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283655004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:31,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:31,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:25:31,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043070103] [2024-11-28 05:25:31,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:31,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:25:31,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:25:31,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:25:31,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:25:31,953 INFO L87 Difference]: Start difference. First operand 111 states and 156 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:37,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:25:41,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:25:42,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:25:47,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:25:48,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:48,512 INFO L93 Difference]: Finished difference Result 219 states and 309 transitions. [2024-11-28 05:25:48,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:25:48,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2024-11-28 05:25:48,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:48,521 INFO L225 Difference]: With dead ends: 219 [2024-11-28 05:25:48,522 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 05:25:48,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:25:48,526 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 120 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:48,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 439 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 3 Unknown, 0 Unchecked, 16.4s Time] [2024-11-28 05:25:48,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 05:25:48,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2024-11-28 05:25:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3068181818181819) internal successors, (115), 88 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 153 transitions. [2024-11-28 05:25:48,554 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 153 transitions. Word has length 154 [2024-11-28 05:25:48,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:48,555 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 153 transitions. [2024-11-28 05:25:48,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2024-11-28 05:25:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 05:25:48,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:48,561 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:48,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:25:48,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:25:48,761 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:48,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:48,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1853392193, now seen corresponding path program 1 times [2024-11-28 05:25:48,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:48,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45757987] [2024-11-28 05:25:48,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:48,763 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 [2024-11-28 05:25:48,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:48,766 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:25:48,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:25:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:49,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 05:25:49,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:50,645 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 94 treesize of output 40 [2024-11-28 05:25:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 24 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-28 05:25:50,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:25:51,658 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 58 treesize of output 22 [2024-11-28 05:25:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 05:25:51,776 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:25:51,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45757987] [2024-11-28 05:25:51,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45757987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:25:51,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:25:51,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-28 05:25:51,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434913142] [2024-11-28 05:25:51,777 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:25:51,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:25:51,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:25:51,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:25:51,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:25:51,780 INFO L87 Difference]: Start difference. First operand 109 states and 153 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-28 05:25:59,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:03,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:04,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:10,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:12,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:12,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:26:12,816 INFO L93 Difference]: Finished difference Result 228 states and 318 transitions. [2024-11-28 05:26:12,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:26:12,821 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 156 [2024-11-28 05:26:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:26:12,823 INFO L225 Difference]: With dead ends: 228 [2024-11-28 05:26:12,823 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 05:26:12,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:26:12,825 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 122 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 11 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:26:12,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 705 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 521 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2024-11-28 05:26:12,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 05:26:12,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2024-11-28 05:26:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 88 states have internal predecessors, (113), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:26:12,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 151 transitions. [2024-11-28 05:26:12,836 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 151 transitions. Word has length 156 [2024-11-28 05:26:12,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:26:12,836 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 151 transitions. [2024-11-28 05:26:12,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-28 05:26:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 151 transitions. [2024-11-28 05:26:12,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 05:26:12,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:26:12,839 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:26:12,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-28 05:26:13,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:26:13,040 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:26:13,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:26:13,041 INFO L85 PathProgramCache]: Analyzing trace with hash 288468285, now seen corresponding path program 1 times [2024-11-28 05:26:13,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:26:13,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30099022] [2024-11-28 05:26:13,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:26:13,041 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 [2024-11-28 05:26:13,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:26:13,043 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:26:13,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:26:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:26:14,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:26:14,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:26:14,668 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 [2024-11-28 05:26:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-28 05:26:14,745 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:26:14,745 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:26:14,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30099022] [2024-11-28 05:26:14,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30099022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:26:14,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:26:14,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:26:14,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022201572] [2024-11-28 05:26:14,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:26:14,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:26:14,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:26:14,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:26:14,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:26:14,748 INFO L87 Difference]: Start difference. First operand 109 states and 151 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:26:20,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:21,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:26,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:30,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:33,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:33,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:26:33,474 INFO L93 Difference]: Finished difference Result 216 states and 300 transitions. [2024-11-28 05:26:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:26:33,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2024-11-28 05:26:33,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:26:33,479 INFO L225 Difference]: With dead ends: 216 [2024-11-28 05:26:33,479 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 05:26:33,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:26:33,480 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 109 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:26:33,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 429 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 3 Unknown, 0 Unchecked, 18.6s Time] [2024-11-28 05:26:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 05:26:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-11-28 05:26:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.2727272727272727) internal successors, (112), 88 states have internal predecessors, (112), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:26:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 150 transitions. [2024-11-28 05:26:33,487 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 150 transitions. Word has length 156 [2024-11-28 05:26:33,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:26:33,488 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 150 transitions. [2024-11-28 05:26:33,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:26:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2024-11-28 05:26:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 05:26:33,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:26:33,492 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:26:33,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 05:26:33,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:26:33,692 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:26:33,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:26:33,693 INFO L85 PathProgramCache]: Analyzing trace with hash 201696567, now seen corresponding path program 1 times [2024-11-28 05:26:33,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:26:33,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714424750] [2024-11-28 05:26:33,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:26:33,694 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 [2024-11-28 05:26:33,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:26:33,697 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:26:33,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-28 05:26:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:26:34,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:26:34,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:26:35,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2024-11-28 05:26:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-28 05:26:35,243 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:26:35,243 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:26:35,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714424750] [2024-11-28 05:26:35,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714424750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:26:35,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:26:35,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:26:35,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418962685] [2024-11-28 05:26:35,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:26:35,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:26:35,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:26:35,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:26:35,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:26:35,246 INFO L87 Difference]: Start difference. First operand 109 states and 150 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:26:40,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:44,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:47,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:52,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:56,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:58,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:26:58,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:26:58,654 INFO L93 Difference]: Finished difference Result 216 states and 298 transitions. [2024-11-28 05:26:58,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:26:58,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-28 05:26:58,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:26:58,661 INFO L225 Difference]: With dead ends: 216 [2024-11-28 05:26:58,661 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 05:26:58,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:26:58,663 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 100 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:26:58,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 423 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 4 Unknown, 0 Unchecked, 23.3s Time] [2024-11-28 05:26:58,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 05:26:58,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-11-28 05:26:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 88 states have internal predecessors, (111), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:26:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 149 transitions. [2024-11-28 05:26:58,678 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 149 transitions. Word has length 158 [2024-11-28 05:26:58,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:26:58,679 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 149 transitions. [2024-11-28 05:26:58,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:26:58,679 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2024-11-28 05:26:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 05:26:58,681 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:26:58,681 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:26:58,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-28 05:26:58,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:26:58,882 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:26:58,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:26:58,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1076214915, now seen corresponding path program 1 times [2024-11-28 05:26:58,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:26:58,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951412069] [2024-11-28 05:26:58,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:26:58,883 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 [2024-11-28 05:26:58,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:26:58,885 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 05:26:58,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9260df-c8b4-4c5d-98e9-2ba8dd575a45/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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