./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.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_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1 --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 a2911b8889dd63413414f522ab20bad4acbdc28dfebaab4294bb46a3c6eab490 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:40:15,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:40:15,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:40:15,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:40:15,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:40:15,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:40:15,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:40:15,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:40:15,270 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:40:15,270 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:40:15,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:40:15,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:40:15,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:40:15,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:40:15,271 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:40:15,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:40:15,272 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:40:15,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:40:15,273 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:40:15,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:40:15,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:40:15,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:40:15,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:40:15,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:40:15,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:40:15,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:40:15,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:40:15,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:40:15,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:40:15,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:40:15,274 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:40:15,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:40:15,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:40:15,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:40:15,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:40:15,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:40:15,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:40:15,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:40:15,275 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_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1 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 -> a2911b8889dd63413414f522ab20bad4acbdc28dfebaab4294bb46a3c6eab490 [2024-12-02 13:40:15,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:40:15,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:40:15,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:40:15,497 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:40:15,498 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:40:15,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i [2024-12-02 13:40:18,176 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data/bcd0e8f97/89a1bf9ec07f4a2b9cc73d334e1b8065/FLAGa6b663308 [2024-12-02 13:40:18,405 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:40:18,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i [2024-12-02 13:40:18,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data/bcd0e8f97/89a1bf9ec07f4a2b9cc73d334e1b8065/FLAGa6b663308 [2024-12-02 13:40:18,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data/bcd0e8f97/89a1bf9ec07f4a2b9cc73d334e1b8065 [2024-12-02 13:40:18,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:40:18,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:40:18,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:40:18,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:40:18,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:40:18,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:18" (1/1) ... [2024-12-02 13:40:18,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40621ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:18, skipping insertion in model container [2024-12-02 13:40:18,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:18" (1/1) ... [2024-12-02 13:40:18,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:40:18,902 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_402d795f-d52b-4ac6-ad7e-5c9a946a0602/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i[916,929] [2024-12-02 13:40:18,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:40:18,976 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:40:18,983 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_402d795f-d52b-4ac6-ad7e-5c9a946a0602/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i[916,929] [2024-12-02 13:40:19,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:40:19,038 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:40:19,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19 WrapperNode [2024-12-02 13:40:19,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:40:19,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:40:19,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:40:19,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:40:19,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,091 INFO L138 Inliner]: procedures = 29, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 538 [2024-12-02 13:40:19,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:40:19,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:40:19,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:40:19,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:40:19,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,106 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,124 INFO L175 MemorySlicer]: Split 146 memory accesses to 4 slices as follows [2, 26, 51, 67]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 4, 5, 8]. The 18 writes are split as follows [0, 5, 5, 8]. [2024-12-02 13:40:19,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:40:19,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:40:19,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:40:19,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:40:19,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (1/1) ... [2024-12-02 13:40:19,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:40:19,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:40:19,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:40:19,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:40:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:40:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 13:40:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 13:40:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 13:40:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 13:40:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:40:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:40:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:40:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:40:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:40:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:40:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:40:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:40:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:40:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:40:19,330 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:40:19,332 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:40:19,760 INFO L? ?]: Removed 148 outVars from TransFormulas that were not future-live. [2024-12-02 13:40:19,760 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:40:19,771 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:40:19,771 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:40:19,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:19 BoogieIcfgContainer [2024-12-02 13:40:19,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:40:19,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:40:19,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:40:19,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:40:19,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:40:18" (1/3) ... [2024-12-02 13:40:19,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1258c42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:19, skipping insertion in model container [2024-12-02 13:40:19,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:19" (2/3) ... [2024-12-02 13:40:19,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1258c42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:19, skipping insertion in model container [2024-12-02 13:40:19,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:19" (3/3) ... [2024-12-02 13:40:19,780 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-23.i [2024-12-02 13:40:19,791 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:40:19,792 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-23.i that has 2 procedures, 124 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:40:19,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:40:19,853 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;@2924273, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:40:19,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:40:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:40:19,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:40:19,867 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:19,867 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:19,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:19,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:19,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1186593926, now seen corresponding path program 1 times [2024-12-02 13:40:19,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:19,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303317114] [2024-12-02 13:40:19,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:19,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 13:40:20,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:20,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303317114] [2024-12-02 13:40:20,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303317114] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:40:20,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971465480] [2024-12-02 13:40:20,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:20,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:40:20,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:40:20,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:40:20,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:40:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:20,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:40:20,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:40:20,421 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 13:40:20,421 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:40:20,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971465480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:20,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:40:20,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:40:20,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736652329] [2024-12-02 13:40:20,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:20,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:40:20,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:20,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:40:20,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:40:20,450 INFO L87 Difference]: Start difference. First operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:20,479 INFO L93 Difference]: Finished difference Result 241 states and 380 transitions. [2024-12-02 13:40:20,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:40:20,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-12-02 13:40:20,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:20,485 INFO L225 Difference]: With dead ends: 241 [2024-12-02 13:40:20,486 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 13:40:20,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:40:20,491 INFO L435 NwaCegarLoop]: 176 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, 176 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 [2024-12-02 13:40:20,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:40:20,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 13:40:20,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 13:40:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:40:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2024-12-02 13:40:20,525 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 165 [2024-12-02 13:40:20,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:20,526 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2024-12-02 13:40:20,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2024-12-02 13:40:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:40:20,528 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:20,528 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:20,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:40:20,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:40:20,729 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:20,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:20,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1867100974, now seen corresponding path program 1 times [2024-12-02 13:40:20,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:20,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850441294] [2024-12-02 13:40:20,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:21,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:21,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850441294] [2024-12-02 13:40:21,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850441294] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:21,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:21,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:40:21,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016874269] [2024-12-02 13:40:21,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:21,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:40:21,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:21,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:40:21,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:40:21,035 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:21,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:21,078 INFO L93 Difference]: Finished difference Result 239 states and 352 transitions. [2024-12-02 13:40:21,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:40:21,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-12-02 13:40:21,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:21,081 INFO L225 Difference]: With dead ends: 239 [2024-12-02 13:40:21,081 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 13:40:21,082 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 [2024-12-02 13:40:21,083 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 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 [2024-12-02 13:40:21,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:40:21,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 13:40:21,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-12-02 13:40:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:40:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 178 transitions. [2024-12-02 13:40:21,095 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 178 transitions. Word has length 165 [2024-12-02 13:40:21,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:21,096 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 178 transitions. [2024-12-02 13:40:21,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:21,096 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 178 transitions. [2024-12-02 13:40:21,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:40:21,099 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:21,099 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:21,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:40:21,099 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:21,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:21,100 INFO L85 PathProgramCache]: Analyzing trace with hash -24625260, now seen corresponding path program 1 times [2024-12-02 13:40:21,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:21,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054221317] [2024-12-02 13:40:21,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:21,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:23,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:23,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054221317] [2024-12-02 13:40:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054221317] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:23,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:23,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 13:40:23,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763798241] [2024-12-02 13:40:23,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:23,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:40:23,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:23,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:40:23,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:40:23,287 INFO L87 Difference]: Start difference. First operand 122 states and 178 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:24,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:24,255 INFO L93 Difference]: Finished difference Result 463 states and 679 transitions. [2024-12-02 13:40:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:40:24,256 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-12-02 13:40:24,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:24,259 INFO L225 Difference]: With dead ends: 463 [2024-12-02 13:40:24,259 INFO L226 Difference]: Without dead ends: 344 [2024-12-02 13:40:24,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:40:24,261 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 380 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:24,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 1822 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 13:40:24,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-12-02 13:40:24,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 243. [2024-12-02 13:40:24,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 202 states have (on average 1.400990099009901) internal successors, (283), 203 states have internal predecessors, (283), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 13:40:24,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 359 transitions. [2024-12-02 13:40:24,294 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 359 transitions. Word has length 165 [2024-12-02 13:40:24,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:24,295 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 359 transitions. [2024-12-02 13:40:24,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 359 transitions. [2024-12-02 13:40:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:40:24,297 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:24,297 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:24,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:40:24,298 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:24,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:24,298 INFO L85 PathProgramCache]: Analyzing trace with hash -611431274, now seen corresponding path program 1 times [2024-12-02 13:40:24,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:24,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495905780] [2024-12-02 13:40:24,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:24,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:25,626 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:25,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:25,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495905780] [2024-12-02 13:40:25,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495905780] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:25,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:25,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:40:25,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423778557] [2024-12-02 13:40:25,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:25,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:40:25,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:25,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:40:25,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:40:25,628 INFO L87 Difference]: Start difference. First operand 243 states and 359 transitions. Second operand has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:40:26,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:26,637 INFO L93 Difference]: Finished difference Result 646 states and 947 transitions. [2024-12-02 13:40:26,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:40:26,639 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 165 [2024-12-02 13:40:26,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:26,643 INFO L225 Difference]: With dead ends: 646 [2024-12-02 13:40:26,643 INFO L226 Difference]: Without dead ends: 406 [2024-12-02 13:40:26,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:40:26,645 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 363 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:26,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1108 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 13:40:26,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-12-02 13:40:26,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 311. [2024-12-02 13:40:26,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 252 states have (on average 1.373015873015873) internal successors, (346), 254 states have internal predecessors, (346), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 13:40:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 454 transitions. [2024-12-02 13:40:26,685 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 454 transitions. Word has length 165 [2024-12-02 13:40:26,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:26,686 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 454 transitions. [2024-12-02 13:40:26,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:40:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 454 transitions. [2024-12-02 13:40:26,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:40:26,688 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:26,688 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:26,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:40:26,688 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:26,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:26,689 INFO L85 PathProgramCache]: Analyzing trace with hash -842273710, now seen corresponding path program 1 times [2024-12-02 13:40:26,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:26,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411323819] [2024-12-02 13:40:26,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:26,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:27,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:27,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411323819] [2024-12-02 13:40:27,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411323819] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:27,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:27,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:40:27,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384181631] [2024-12-02 13:40:27,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:27,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:40:27,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:27,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:40:27,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:40:27,529 INFO L87 Difference]: Start difference. First operand 311 states and 454 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:28,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:28,281 INFO L93 Difference]: Finished difference Result 563 states and 820 transitions. [2024-12-02 13:40:28,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:40:28,281 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-12-02 13:40:28,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:28,284 INFO L225 Difference]: With dead ends: 563 [2024-12-02 13:40:28,284 INFO L226 Difference]: Without dead ends: 319 [2024-12-02 13:40:28,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:40:28,286 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 260 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:28,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 1503 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:40:28,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-12-02 13:40:28,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 300. [2024-12-02 13:40:28,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 241 states have (on average 1.3651452282157677) internal successors, (329), 243 states have internal predecessors, (329), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 13:40:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 437 transitions. [2024-12-02 13:40:28,328 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 437 transitions. Word has length 165 [2024-12-02 13:40:28,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:28,328 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 437 transitions. [2024-12-02 13:40:28,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:28,329 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 437 transitions. [2024-12-02 13:40:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:40:28,330 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:28,331 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:28,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:40:28,331 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:28,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:28,332 INFO L85 PathProgramCache]: Analyzing trace with hash -158638766, now seen corresponding path program 1 times [2024-12-02 13:40:28,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:28,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966727291] [2024-12-02 13:40:28,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:28,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:29,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:29,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966727291] [2024-12-02 13:40:29,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966727291] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:29,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:29,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:40:29,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083293385] [2024-12-02 13:40:29,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:29,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:40:29,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:29,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:40:29,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:40:29,253 INFO L87 Difference]: Start difference. First operand 300 states and 437 transitions. Second operand has 7 states, 5 states have (on average 13.6) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:40:29,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:29,716 INFO L93 Difference]: Finished difference Result 540 states and 782 transitions. [2024-12-02 13:40:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:40:29,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 13.6) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 165 [2024-12-02 13:40:29,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:29,719 INFO L225 Difference]: With dead ends: 540 [2024-12-02 13:40:29,719 INFO L226 Difference]: Without dead ends: 307 [2024-12-02 13:40:29,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:40:29,721 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 143 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:29,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1292 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:40:29,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-12-02 13:40:29,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 240. [2024-12-02 13:40:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 197 states have (on average 1.365482233502538) internal successors, (269), 198 states have internal predecessors, (269), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 13:40:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 345 transitions. [2024-12-02 13:40:29,761 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 345 transitions. Word has length 165 [2024-12-02 13:40:29,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:29,762 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 345 transitions. [2024-12-02 13:40:29,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 13.6) internal successors, (68), 7 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:40:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 345 transitions. [2024-12-02 13:40:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:40:29,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:29,764 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:29,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:40:29,764 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:29,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:29,765 INFO L85 PathProgramCache]: Analyzing trace with hash -745444780, now seen corresponding path program 1 times [2024-12-02 13:40:29,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:29,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304963987] [2024-12-02 13:40:29,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:29,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:30,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:30,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304963987] [2024-12-02 13:40:30,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304963987] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:30,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:30,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:40:30,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122758913] [2024-12-02 13:40:30,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:30,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:40:30,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:30,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:40:30,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:40:30,637 INFO L87 Difference]: Start difference. First operand 240 states and 345 transitions. Second operand has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:40:31,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:31,336 INFO L93 Difference]: Finished difference Result 544 states and 783 transitions. [2024-12-02 13:40:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:40:31,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) Word has length 165 [2024-12-02 13:40:31,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:31,339 INFO L225 Difference]: With dead ends: 544 [2024-12-02 13:40:31,339 INFO L226 Difference]: Without dead ends: 307 [2024-12-02 13:40:31,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:40:31,340 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 142 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:31,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1944 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:40:31,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-12-02 13:40:31,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 240. [2024-12-02 13:40:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 198 states have internal predecessors, (268), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 13:40:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 344 transitions. [2024-12-02 13:40:31,379 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 344 transitions. Word has length 165 [2024-12-02 13:40:31,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:31,379 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 344 transitions. [2024-12-02 13:40:31,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.714285714285714) internal successors, (68), 9 states have internal predecessors, (68), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:40:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 344 transitions. [2024-12-02 13:40:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 13:40:31,381 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:31,381 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:31,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:40:31,382 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:31,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:31,382 INFO L85 PathProgramCache]: Analyzing trace with hash -464003610, now seen corresponding path program 1 times [2024-12-02 13:40:31,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:31,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671276752] [2024-12-02 13:40:31,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:31,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 13:40:31,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:31,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671276752] [2024-12-02 13:40:31,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671276752] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:40:31,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413451540] [2024-12-02 13:40:31,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:31,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:40:31,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:40:31,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:40:31,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:40:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:31,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:40:31,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:40:31,846 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:31,846 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:40:31,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413451540] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:31,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:40:31,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 13:40:31,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126743887] [2024-12-02 13:40:31,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:31,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:40:31,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:31,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:40:31,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:40:31,848 INFO L87 Difference]: Start difference. First operand 240 states and 344 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:40:31,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:31,908 INFO L93 Difference]: Finished difference Result 483 states and 693 transitions. [2024-12-02 13:40:31,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:40:31,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 167 [2024-12-02 13:40:31,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:31,911 INFO L225 Difference]: With dead ends: 483 [2024-12-02 13:40:31,911 INFO L226 Difference]: Without dead ends: 246 [2024-12-02 13:40:31,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:40:31,912 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:31,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 672 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:40:31,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-12-02 13:40:31,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-12-02 13:40:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 203 states have (on average 1.3497536945812807) internal successors, (274), 204 states have internal predecessors, (274), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 13:40:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 350 transitions. [2024-12-02 13:40:31,948 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 350 transitions. Word has length 167 [2024-12-02 13:40:31,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:31,948 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 350 transitions. [2024-12-02 13:40:31,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:40:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 350 transitions. [2024-12-02 13:40:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 13:40:31,950 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:31,951 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:31,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 13:40:32,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:40:32,151 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:32,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:32,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1317282817, now seen corresponding path program 1 times [2024-12-02 13:40:32,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:32,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168691116] [2024-12-02 13:40:32,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:32,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:32,943 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:32,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:32,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168691116] [2024-12-02 13:40:32,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168691116] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:32,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:32,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 13:40:32,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502070912] [2024-12-02 13:40:32,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:32,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:40:32,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:32,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:40:32,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:40:32,945 INFO L87 Difference]: Start difference. First operand 246 states and 350 transitions. Second operand has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:33,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:33,354 INFO L93 Difference]: Finished difference Result 720 states and 1025 transitions. [2024-12-02 13:40:33,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:40:33,354 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 169 [2024-12-02 13:40:33,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:33,357 INFO L225 Difference]: With dead ends: 720 [2024-12-02 13:40:33,357 INFO L226 Difference]: Without dead ends: 477 [2024-12-02 13:40:33,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:40:33,358 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 144 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:33,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1212 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:40:33,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-12-02 13:40:33,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 279. [2024-12-02 13:40:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 236 states have (on average 1.3601694915254237) internal successors, (321), 237 states have internal predecessors, (321), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 13:40:33,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 397 transitions. [2024-12-02 13:40:33,385 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 397 transitions. Word has length 169 [2024-12-02 13:40:33,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:33,386 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 397 transitions. [2024-12-02 13:40:33,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 397 transitions. [2024-12-02 13:40:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 13:40:33,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:33,388 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:33,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:40:33,389 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:33,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:33,389 INFO L85 PathProgramCache]: Analyzing trace with hash 924255807, now seen corresponding path program 1 times [2024-12-02 13:40:33,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:33,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220995974] [2024-12-02 13:40:33,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:33,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:34,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:34,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220995974] [2024-12-02 13:40:34,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220995974] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:34,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:34,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 13:40:34,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443791869] [2024-12-02 13:40:34,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:34,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:40:34,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:34,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:40:34,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:40:34,937 INFO L87 Difference]: Start difference. First operand 279 states and 397 transitions. Second operand has 13 states, 8 states have (on average 9.0) internal successors, (72), 13 states have internal predecessors, (72), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 6 states have call successors, (20) [2024-12-02 13:40:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:35,838 INFO L93 Difference]: Finished difference Result 735 states and 1044 transitions. [2024-12-02 13:40:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:40:35,838 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 8 states have (on average 9.0) internal successors, (72), 13 states have internal predecessors, (72), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 6 states have call successors, (20) Word has length 169 [2024-12-02 13:40:35,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:35,841 INFO L225 Difference]: With dead ends: 735 [2024-12-02 13:40:35,841 INFO L226 Difference]: Without dead ends: 459 [2024-12-02 13:40:35,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:40:35,842 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 265 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:35,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1903 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:40:35,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-12-02 13:40:35,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 363. [2024-12-02 13:40:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 309 states have (on average 1.3592233009708738) internal successors, (420), 311 states have internal predecessors, (420), 48 states have call successors, (48), 5 states have call predecessors, (48), 5 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 13:40:35,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 516 transitions. [2024-12-02 13:40:35,905 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 516 transitions. Word has length 169 [2024-12-02 13:40:35,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:35,906 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 516 transitions. [2024-12-02 13:40:35,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 8 states have (on average 9.0) internal successors, (72), 13 states have internal predecessors, (72), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 6 states have call successors, (20) [2024-12-02 13:40:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 516 transitions. [2024-12-02 13:40:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 13:40:35,908 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:35,908 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:35,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:40:35,908 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:35,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:35,909 INFO L85 PathProgramCache]: Analyzing trace with hash 144835179, now seen corresponding path program 1 times [2024-12-02 13:40:35,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:35,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736794243] [2024-12-02 13:40:35,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:35,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 13:40:36,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:36,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736794243] [2024-12-02 13:40:36,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736794243] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:40:36,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235712179] [2024-12-02 13:40:36,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:36,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:40:36,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:40:36,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:40:36,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:40:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:36,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:40:36,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:40:36,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2024-12-02 13:40:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-12-02 13:40:36,998 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:40:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 13:40:37,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235712179] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:40:37,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:40:37,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-12-02 13:40:37,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823007305] [2024-12-02 13:40:37,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:40:37,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:40:37,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:37,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:40:37,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:40:37,351 INFO L87 Difference]: Start difference. First operand 363 states and 516 transitions. Second operand has 15 states, 13 states have (on average 6.769230769230769) internal successors, (88), 15 states have internal predecessors, (88), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) [2024-12-02 13:40:38,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:38,100 INFO L93 Difference]: Finished difference Result 1135 states and 1588 transitions. [2024-12-02 13:40:38,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 13:40:38,100 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.769230769230769) internal successors, (88), 15 states have internal predecessors, (88), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) Word has length 169 [2024-12-02 13:40:38,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:38,104 INFO L225 Difference]: With dead ends: 1135 [2024-12-02 13:40:38,104 INFO L226 Difference]: Without dead ends: 775 [2024-12-02 13:40:38,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 329 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:40:38,105 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 548 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:38,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 1740 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:40:38,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-12-02 13:40:38,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 383. [2024-12-02 13:40:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 326 states have (on average 1.3404907975460123) internal successors, (437), 328 states have internal predecessors, (437), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 13:40:38,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 533 transitions. [2024-12-02 13:40:38,156 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 533 transitions. Word has length 169 [2024-12-02 13:40:38,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:38,156 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 533 transitions. [2024-12-02 13:40:38,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.769230769230769) internal successors, (88), 15 states have internal predecessors, (88), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) [2024-12-02 13:40:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 533 transitions. [2024-12-02 13:40:38,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 13:40:38,157 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:38,157 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:38,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:40:38,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:40:38,358 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:38,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:38,358 INFO L85 PathProgramCache]: Analyzing trace with hash 567537005, now seen corresponding path program 1 times [2024-12-02 13:40:38,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:38,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063291505] [2024-12-02 13:40:38,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:38,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:40:38,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:40:38,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063291505] [2024-12-02 13:40:38,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063291505] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:38,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:38,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:40:38,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440396385] [2024-12-02 13:40:38,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:38,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:40:38,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:40:38,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:40:38,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:40:38,411 INFO L87 Difference]: Start difference. First operand 383 states and 533 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:40:38,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:38,459 INFO L93 Difference]: Finished difference Result 767 states and 1071 transitions. [2024-12-02 13:40:38,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:40:38,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-12-02 13:40:38,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:38,461 INFO L225 Difference]: With dead ends: 767 [2024-12-02 13:40:38,461 INFO L226 Difference]: Without dead ends: 387 [2024-12-02 13:40:38,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:40:38,462 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:40:38,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 342 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:40:38,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-12-02 13:40:38,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2024-12-02 13:40:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 330 states have (on average 1.3363636363636364) internal successors, (441), 332 states have internal predecessors, (441), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 13:40:38,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 537 transitions. [2024-12-02 13:40:38,502 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 537 transitions. Word has length 169 [2024-12-02 13:40:38,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:38,502 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 537 transitions. [2024-12-02 13:40:38,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:40:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 537 transitions. [2024-12-02 13:40:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 13:40:38,503 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:38,503 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:38,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:40:38,503 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:38,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:38,504 INFO L85 PathProgramCache]: Analyzing trace with hash 786391723, now seen corresponding path program 1 times [2024-12-02 13:40:38,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:40:38,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9131487] [2024-12-02 13:40:38,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:40:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:40:38,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735798480] [2024-12-02 13:40:38,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:38,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:40:38,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:40:38,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:40:38,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:40:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:40:39,086 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:40:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:40:39,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:40:39,376 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:40:39,377 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:40:39,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 13:40:39,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:40:39,582 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:39,649 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:40:39,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:40:39 BoogieIcfgContainer [2024-12-02 13:40:39,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:40:39,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:40:39,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:40:39,653 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:40:39,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:19" (3/4) ... [2024-12-02 13:40:39,655 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:40:39,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:40:39,656 INFO L158 Benchmark]: Toolchain (without parser) took 20908.53ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 117.2MB in the beginning and 407.0MB in the end (delta: -289.8MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2024-12-02 13:40:39,656 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:40:39,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.56ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 100.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:40:39,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.00ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 97.1MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:40:39,657 INFO L158 Benchmark]: Boogie Preprocessor took 66.09ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 92.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:40:39,657 INFO L158 Benchmark]: RCFGBuilder took 613.37ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 59.7MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 13:40:39,657 INFO L158 Benchmark]: TraceAbstraction took 19877.94ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 59.0MB in the beginning and 407.0MB in the end (delta: -348.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-12-02 13:40:39,657 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 520.1MB. Free memory was 407.0MB in the beginning and 407.0MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:40:39,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.56ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 100.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.00ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 97.1MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.09ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 92.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 613.37ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 59.7MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19877.94ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 59.0MB in the beginning and 407.0MB in the end (delta: -348.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 520.1MB. Free memory was 407.0MB in the beginning and 407.0MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 35, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L25-L27] float float_Array_0[5] = { 1.75, 9.75, 1.4, 999.7, 1.2 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][2][2] = { {{1394088949, 25}, {16, 16}}, {{0, 64}, {1277342739, 0}} }; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=0, unsigned_long_int_Array_0={6:0}] [L94] isInitial = 1 [L95] FCALL initially() [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L54] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L55] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L55] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L55] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L56] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L56] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L56] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L57] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L58] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L58] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L58] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L59] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L59] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L59] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L60] float_Array_0[0] = __VERIFIER_nondet_float() [L61] EXPR float_Array_0[0] [L61] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F [L61] EXPR float_Array_0[0] [L61] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] CALL assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L61] RET assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L62] float_Array_0[1] = __VERIFIER_nondet_float() [L63] EXPR float_Array_0[1] [L63] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L63] EXPR float_Array_0[1] [L63] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L63] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L64] float_Array_0[2] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[2] [L65] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L65] EXPR float_Array_0[2] [L65] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] CALL assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L65] RET assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L66] float_Array_0[3] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[3] [L67] EXPR float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] EXPR float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F [L67] EXPR float_Array_0[3] [L67] EXPR float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] EXPR (float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854776000e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] EXPR (float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854776000e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] CALL assume_abort_if_not((float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854776000e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L67] RET assume_abort_if_not((float_Array_0[3] >= -922337.2036854776000e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854776000e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L68] EXPR float_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L68] CALL assume_abort_if_not(float_Array_0[3] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L68] RET assume_abort_if_not(float_Array_0[3] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L69] float_Array_0[4] = __VERIFIER_nondet_float() [L70] EXPR float_Array_0[4] [L70] EXPR float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] EXPR float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F [L70] EXPR float_Array_0[4] [L70] EXPR float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] EXPR (float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854776000e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] EXPR (float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854776000e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] CALL assume_abort_if_not((float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854776000e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L70] RET assume_abort_if_not((float_Array_0[4] >= -922337.2036854776000e+13F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854776000e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L71] unsigned_long_int_Array_0[0][0][0] = __VERIFIER_nondet_ulong() [L72] EXPR unsigned_long_int_Array_0[0][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L72] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0][0] >= 1073741824) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L72] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0][0] >= 1073741824) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L73] EXPR unsigned_long_int_Array_0[0][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L73] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L73] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L74] unsigned_long_int_Array_0[1][0][0] = __VERIFIER_nondet_ulong() [L75] EXPR unsigned_long_int_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L75] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L75] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L76] EXPR unsigned_long_int_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L76] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L76] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L77] unsigned_long_int_Array_0[1][1][0] = __VERIFIER_nondet_ulong() [L78] EXPR unsigned_long_int_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L78] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L78] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1][0] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L79] EXPR unsigned_long_int_Array_0[1][1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L79] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L79] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L80] unsigned_long_int_Array_0[1][0][1] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L82] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L83] unsigned_long_int_Array_0[0][1][1] = __VERIFIER_nondet_ulong() [L84] EXPR unsigned_long_int_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L84] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L84] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L85] EXPR unsigned_long_int_Array_0[0][1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L85] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L85] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L98] RET updateVariables() [L99] CALL step() [L34] EXPR unsigned_long_int_Array_0[0][1][1] [L34] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L34] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) [L34] EXPR unsigned_long_int_Array_0[0][1][1] [L34] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L34] unsigned_long_int_Array_0[1][1][1] = ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))) [L35] EXPR float_Array_0[4] [L35] EXPR float_Array_0[3] [L35] EXPR float_Array_0[2] [L35] EXPR float_Array_0[1] [L35] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L35] COND FALSE !((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) [L38] EXPR unsigned_long_int_Array_0[0][1][1] [L38] EXPR unsigned_long_int_Array_0[1][1][0] [L38] EXPR unsigned_long_int_Array_0[0][0][0] [L38] EXPR unsigned_long_int_Array_0[1][0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L38] EXPR ((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])) [L38] EXPR unsigned_long_int_Array_0[0][1][1] [L38] EXPR ((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L38] unsigned_long_int_Array_0[0][1][0] = ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])))) [L39] EXPR float_Array_0[4] [L39] unsigned char stepLocal_0 = (- float_Array_0[4]) != 1.9f; [L40] stepLocal_0 || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L40] stepLocal_0 || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1]) [L40] EXPR unsigned_long_int_Array_0[0][0][1] [L40] EXPR unsigned_long_int_Array_0[1][0][0] [L40] EXPR unsigned_long_int_Array_0[1][0][1] [L40] stepLocal_0 || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L40] COND FALSE !(stepLocal_0 || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1])) [L43] EXPR BOOL_unsigned_char_Array_0[1][1] [L43] BOOL_unsigned_char_Array_0[0][1] = BOOL_unsigned_char_Array_0[1][1] [L45] BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L45] COND FALSE !(BOOL_unsigned_char_Array_0[0][1]) [L99] RET step() [L100] CALL, EXPR property() [L90] EXPR unsigned_long_int_Array_0[1][1][1] [L90] EXPR unsigned_long_int_Array_0[0][1][1] [L90] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) [L90] EXPR unsigned_long_int_Array_0[0][1][1] [L90] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1) [L90] EXPR float_Array_0[4] [L90] EXPR float_Array_0[3] [L90] EXPR float_Array_0[2] [L90] EXPR float_Array_0[1] [L90] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1 [L90] EXPR unsigned_long_int_Array_0[0][0][1] [L90] EXPR unsigned_long_int_Array_0[0][1][1] [L90] EXPR unsigned_long_int_Array_0[1][0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) [L90] EXPR unsigned_long_int_Array_0[0][1][1] [L90] EXPR ((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR (((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1)) && ((((- float_Array_0[4]) != 1.9f) || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1])) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90] EXPR ((((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1)) && ((((- float_Array_0[4]) != 1.9f) || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1])) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L90-L91] return ((((unsigned_long_int_Array_0[1][1][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) && (((float_Array_0[4] / float_Array_0[3]) <= (float_Array_0[2] + (float_Array_0[1] - float_Array_0[0]))) ? (unsigned_long_int_Array_0[0][0][1] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) < (unsigned_long_int_Array_0[1][0][1])) ? (unsigned_long_int_Array_0[0][1][1]) : (unsigned_long_int_Array_0[1][0][1]))))) : 1)) && (unsigned_long_int_Array_0[0][1][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1][1]) > (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))) ? (unsigned_long_int_Array_0[0][1][1]) : (((unsigned_long_int_Array_0[1][1][0] + unsigned_long_int_Array_0[0][0][0]) - unsigned_long_int_Array_0[1][0][0]))))))) && (BOOL_unsigned_char_Array_0[0][1] ? ((! ((float_Array_0[4] / float_Array_0[3]) < (float_Array_0[1] - float_Array_0[0]))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : 1) : 1) : 1)) && ((((- float_Array_0[4]) != 1.9f) || ((unsigned_long_int_Array_0[0][0][1] * unsigned_long_int_Array_0[1][0][0]) < unsigned_long_int_Array_0[1][0][1])) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 124 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 13, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2299 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2245 mSDsluCounter, 14225 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11636 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4692 IncrementalHoareTripleChecker+Invalid, 4953 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 2589 mSDtfsCounter, 4692 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 846 GetRequests, 731 SyntacticMatches, 2 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=387occurred in iteration=12, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1035 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 2837 NumberOfCodeBlocks, 2837 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2652 ConstructedInterpolants, 0 QuantifiedInterpolants, 8483 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1612 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 11927/12160 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 [2024-12-02 13:40:39,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/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_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1 --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 a2911b8889dd63413414f522ab20bad4acbdc28dfebaab4294bb46a3c6eab490 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:40:41,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:40:41,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:40:41,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:40:41,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:40:41,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:40:41,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:40:41,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:40:41,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:40:41,749 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:40:41,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:40:41,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:40:41,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:40:41,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:40:41,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:40:41,751 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:40:41,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:40:41,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:40:41,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:40:41,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:40:41,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:40:41,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:40:41,752 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:40:41,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:40:41,753 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:40:41,753 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:40:41,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:40:41,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:40:41,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:40:41,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:40:41,753 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_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1 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 -> a2911b8889dd63413414f522ab20bad4acbdc28dfebaab4294bb46a3c6eab490 [2024-12-02 13:40:42,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:40:42,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:40:42,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:40:42,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:40:42,020 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:40:42,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i [2024-12-02 13:40:44,697 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data/8c2a26751/0f190678ccba40bdacac450d1e816dfa/FLAG910049c32 [2024-12-02 13:40:44,873 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:40:44,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i [2024-12-02 13:40:44,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data/8c2a26751/0f190678ccba40bdacac450d1e816dfa/FLAG910049c32 [2024-12-02 13:40:44,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/data/8c2a26751/0f190678ccba40bdacac450d1e816dfa [2024-12-02 13:40:44,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:40:44,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:40:44,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:40:44,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:40:44,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:40:44,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:44" (1/1) ... [2024-12-02 13:40:44,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ddaab18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:44, skipping insertion in model container [2024-12-02 13:40:44,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:40:44" (1/1) ... [2024-12-02 13:40:44,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:40:45,052 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_402d795f-d52b-4ac6-ad7e-5c9a946a0602/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i[916,929] [2024-12-02 13:40:45,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:40:45,137 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:40:45,149 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_402d795f-d52b-4ac6-ad7e-5c9a946a0602/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-23.i[916,929] [2024-12-02 13:40:45,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:40:45,223 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:40:45,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45 WrapperNode [2024-12-02 13:40:45,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:40:45,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:40:45,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:40:45,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:40:45,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,277 INFO L138 Inliner]: procedures = 33, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 538 [2024-12-02 13:40:45,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:40:45,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:40:45,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:40:45,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:40:45,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,308 INFO L175 MemorySlicer]: Split 146 memory accesses to 4 slices as follows [2, 26, 51, 67]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 4, 5, 8]. The 18 writes are split as follows [0, 5, 5, 8]. [2024-12-02 13:40:45,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,334 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:40:45,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:40:45,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:40:45,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:40:45,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (1/1) ... [2024-12-02 13:40:45,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:40:45,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:40:45,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:40:45,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:40:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:40:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 13:40:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 13:40:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 13:40:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 13:40:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:40:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 13:40:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 13:40:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 13:40:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 13:40:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:40:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:40:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 13:40:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 13:40:45,544 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:40:45,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:40:58,690 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-12-02 13:40:58,691 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:40:58,701 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:40:58,701 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:40:58,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:58 BoogieIcfgContainer [2024-12-02 13:40:58,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:40:58,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:40:58,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:40:58,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:40:58,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:40:44" (1/3) ... [2024-12-02 13:40:58,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bbbc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:58, skipping insertion in model container [2024-12-02 13:40:58,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:40:45" (2/3) ... [2024-12-02 13:40:58,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bbbc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:40:58, skipping insertion in model container [2024-12-02 13:40:58,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:40:58" (3/3) ... [2024-12-02 13:40:58,710 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-23.i [2024-12-02 13:40:58,721 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:40:58,722 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-23.i that has 2 procedures, 124 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:40:58,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:40:58,773 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;@48c9f42b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:40:58,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:40:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:40:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:40:58,787 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:58,788 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:58,788 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:58,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1186593926, now seen corresponding path program 1 times [2024-12-02 13:40:58,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:40:58,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718400933] [2024-12-02 13:40:58,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:58,804 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 [2024-12-02 13:40:58,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:40:58,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:40:58,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:40:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:40:59,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:40:59,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:40:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-12-02 13:40:59,470 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:40:59,471 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:40:59,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718400933] [2024-12-02 13:40:59,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718400933] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:40:59,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:40:59,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:40:59,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847793841] [2024-12-02 13:40:59,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:40:59,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:40:59,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:40:59,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:40:59,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:40:59,494 INFO L87 Difference]: Start difference. First operand has 124 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:59,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:40:59,522 INFO L93 Difference]: Finished difference Result 241 states and 380 transitions. [2024-12-02 13:40:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:40:59,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-12-02 13:40:59,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:40:59,529 INFO L225 Difference]: With dead ends: 241 [2024-12-02 13:40:59,529 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 13:40:59,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:40:59,534 INFO L435 NwaCegarLoop]: 176 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, 176 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 [2024-12-02 13:40:59,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:40:59,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 13:40:59,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 13:40:59,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:40:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 176 transitions. [2024-12-02 13:40:59,572 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 176 transitions. Word has length 165 [2024-12-02 13:40:59,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:40:59,573 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 176 transitions. [2024-12-02 13:40:59,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:40:59,573 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2024-12-02 13:40:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:40:59,577 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:40:59,577 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:40:59,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:40:59,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:40:59,778 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:40:59,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:40:59,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1867100974, now seen corresponding path program 1 times [2024-12-02 13:40:59,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:40:59,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211647078] [2024-12-02 13:40:59,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:40:59,784 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 [2024-12-02 13:40:59,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:40:59,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:40:59,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:00,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:41:00,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:41:00,428 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 13:41:00,428 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:41:00,428 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:41:00,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211647078] [2024-12-02 13:41:00,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211647078] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:00,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:00,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:41:00,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026922327] [2024-12-02 13:41:00,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:00,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:41:00,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:41:00,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:41:00,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:41:00,433 INFO L87 Difference]: Start difference. First operand 120 states and 176 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:41:00,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:00,530 INFO L93 Difference]: Finished difference Result 239 states and 352 transitions. [2024-12-02 13:41:00,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:41:00,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-12-02 13:41:00,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:00,534 INFO L225 Difference]: With dead ends: 239 [2024-12-02 13:41:00,535 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 13:41:00,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:41:00,536 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 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 [2024-12-02 13:41:00,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:41:00,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 13:41:00,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-12-02 13:41:00,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 13:41:00,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 178 transitions. [2024-12-02 13:41:00,548 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 178 transitions. Word has length 165 [2024-12-02 13:41:00,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:00,549 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 178 transitions. [2024-12-02 13:41:00,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:41:00,549 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 178 transitions. [2024-12-02 13:41:00,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:41:00,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:00,552 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:41:00,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 13:41:00,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:41:00,752 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:00,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash -24625260, now seen corresponding path program 1 times [2024-12-02 13:41:00,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:41:00,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551840839] [2024-12-02 13:41:00,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:00,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:41:00,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:41:00,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:41:00,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:01,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:41:01,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:41:02,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 47 [2024-12-02 13:41:02,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:41:02,548 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 32 treesize of output 14 [2024-12-02 13:41:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-12-02 13:41:02,589 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:41:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 13:41:03,655 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:41:03,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551840839] [2024-12-02 13:41:03,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551840839] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:41:03,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:41:03,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-12-02 13:41:03,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020515217] [2024-12-02 13:41:03,656 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:41:03,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:41:03,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:41:03,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:41:03,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:41:03,658 INFO L87 Difference]: Start difference. First operand 122 states and 178 transitions. Second operand has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) [2024-12-02 13:41:06,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:07,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:09,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:09,550 INFO L93 Difference]: Finished difference Result 380 states and 545 transitions. [2024-12-02 13:41:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 13:41:09,551 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) Word has length 165 [2024-12-02 13:41:09,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:09,554 INFO L225 Difference]: With dead ends: 380 [2024-12-02 13:41:09,554 INFO L226 Difference]: Without dead ends: 261 [2024-12-02 13:41:09,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 317 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2024-12-02 13:41:09,556 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 229 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:09,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1829 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 13:41:09,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-12-02 13:41:09,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 239. [2024-12-02 13:41:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 193 states have (on average 1.3575129533678756) internal successors, (262), 194 states have internal predecessors, (262), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:41:09,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 342 transitions. [2024-12-02 13:41:09,585 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 342 transitions. Word has length 165 [2024-12-02 13:41:09,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:09,586 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 342 transitions. [2024-12-02 13:41:09,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 13 states have internal predecessors, (81), 4 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 2 states have call predecessors, (37), 4 states have call successors, (37) [2024-12-02 13:41:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 342 transitions. [2024-12-02 13:41:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:41:09,589 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:09,589 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:41:09,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:09,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:41:09,790 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:09,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:09,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1612973162, now seen corresponding path program 1 times [2024-12-02 13:41:09,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:41:09,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387267910] [2024-12-02 13:41:09,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:09,791 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 [2024-12-02 13:41:09,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:41:09,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:41:09,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:10,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:41:10,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:41:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:41:10,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:41:10,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:41:10,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387267910] [2024-12-02 13:41:10,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387267910] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:10,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:10,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:41:10,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047146383] [2024-12-02 13:41:10,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:10,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:41:10,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:41:10,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:41:10,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:41:10,297 INFO L87 Difference]: Start difference. First operand 239 states and 342 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:41:10,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:10,352 INFO L93 Difference]: Finished difference Result 476 states and 683 transitions. [2024-12-02 13:41:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:41:10,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-12-02 13:41:10,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:10,358 INFO L225 Difference]: With dead ends: 476 [2024-12-02 13:41:10,358 INFO L226 Difference]: Without dead ends: 240 [2024-12-02 13:41:10,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:41:10,360 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:10,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:41:10,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-12-02 13:41:10,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-12-02 13:41:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.3556701030927836) internal successors, (263), 195 states have internal predecessors, (263), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:41:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 343 transitions. [2024-12-02 13:41:10,386 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 343 transitions. Word has length 165 [2024-12-02 13:41:10,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:10,387 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 343 transitions. [2024-12-02 13:41:10,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:41:10,388 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 343 transitions. [2024-12-02 13:41:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 13:41:10,390 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:10,391 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:41:10,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:10,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:41:10,591 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:10,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:10,592 INFO L85 PathProgramCache]: Analyzing trace with hash 687849428, now seen corresponding path program 1 times [2024-12-02 13:41:10,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:41:10,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305727894] [2024-12-02 13:41:10,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:10,593 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 [2024-12-02 13:41:10,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:41:10,595 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:41:10,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:11,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:41:11,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:41:11,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-12-02 13:41:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-12-02 13:41:11,335 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:41:11,335 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:41:11,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305727894] [2024-12-02 13:41:11,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305727894] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:11,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:11,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:41:11,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262439483] [2024-12-02 13:41:11,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:11,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:41:11,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:41:11,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:41:11,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:41:11,337 INFO L87 Difference]: Start difference. First operand 240 states and 343 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:41:13,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:16,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:18,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:20,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:23,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:24,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:26,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:26,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:26,644 INFO L93 Difference]: Finished difference Result 479 states and 685 transitions. [2024-12-02 13:41:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:41:26,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2024-12-02 13:41:26,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:26,666 INFO L225 Difference]: With dead ends: 479 [2024-12-02 13:41:26,666 INFO L226 Difference]: Without dead ends: 242 [2024-12-02 13:41:26,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:41:26,668 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 156 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:26,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 522 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2024-12-02 13:41:26,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-12-02 13:41:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2024-12-02 13:41:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 195 states have internal predecessors, (261), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:41:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 341 transitions. [2024-12-02 13:41:26,690 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 341 transitions. Word has length 165 [2024-12-02 13:41:26,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:26,690 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 341 transitions. [2024-12-02 13:41:26,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:41:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 341 transitions. [2024-12-02 13:41:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 13:41:26,692 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:26,692 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:41:26,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:26,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:41:26,893 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:26,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:26,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1338205264, now seen corresponding path program 1 times [2024-12-02 13:41:26,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:41:26,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160331653] [2024-12-02 13:41:26,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:26,894 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 [2024-12-02 13:41:26,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:41:26,895 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:41:26,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:27,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:41:27,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:41:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-12-02 13:41:27,452 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:41:27,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:41:27,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160331653] [2024-12-02 13:41:27,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160331653] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:27,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:27,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:41:27,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105490407] [2024-12-02 13:41:27,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:27,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:41:27,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:41:27,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:41:27,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:41:27,453 INFO L87 Difference]: Start difference. First operand 240 states and 341 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:41:27,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:27,917 INFO L93 Difference]: Finished difference Result 489 states and 693 transitions. [2024-12-02 13:41:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:41:27,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 167 [2024-12-02 13:41:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:27,920 INFO L225 Difference]: With dead ends: 489 [2024-12-02 13:41:27,920 INFO L226 Difference]: Without dead ends: 248 [2024-12-02 13:41:27,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:41:27,921 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:27,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 711 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:41:27,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-12-02 13:41:27,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 240. [2024-12-02 13:41:27,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.3350515463917525) internal successors, (259), 195 states have internal predecessors, (259), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:41:27,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 339 transitions. [2024-12-02 13:41:27,942 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 339 transitions. Word has length 167 [2024-12-02 13:41:27,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:27,942 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 339 transitions. [2024-12-02 13:41:27,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 13:41:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 339 transitions. [2024-12-02 13:41:27,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 13:41:27,944 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:27,944 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:41:27,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 13:41:28,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:41:28,145 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:28,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:28,145 INFO L85 PathProgramCache]: Analyzing trace with hash -60748338, now seen corresponding path program 1 times [2024-12-02 13:41:28,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:41:28,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686639454] [2024-12-02 13:41:28,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:28,146 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 [2024-12-02 13:41:28,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:41:28,147 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:41:28,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:28,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:41:28,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:41:28,959 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 [2024-12-02 13:41:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-12-02 13:41:29,022 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:41:29,022 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:41:29,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686639454] [2024-12-02 13:41:29,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686639454] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:29,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:29,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:41:29,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143675730] [2024-12-02 13:41:29,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:29,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:41:29,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:41:29,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:41:29,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:41:29,024 INFO L87 Difference]: Start difference. First operand 240 states and 339 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:41:33,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:35,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:38,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:40,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:41,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:43,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:43,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:43,482 INFO L93 Difference]: Finished difference Result 479 states and 677 transitions. [2024-12-02 13:41:43,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:41:43,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 167 [2024-12-02 13:41:43,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:43,499 INFO L225 Difference]: With dead ends: 479 [2024-12-02 13:41:43,499 INFO L226 Difference]: Without dead ends: 242 [2024-12-02 13:41:43,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:41:43,500 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 146 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:43,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 516 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2024-12-02 13:41:43,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-12-02 13:41:43,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2024-12-02 13:41:43,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.324742268041237) internal successors, (257), 195 states have internal predecessors, (257), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 13:41:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 337 transitions. [2024-12-02 13:41:43,519 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 337 transitions. Word has length 167 [2024-12-02 13:41:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:43,519 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 337 transitions. [2024-12-02 13:41:43,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 13:41:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2024-12-02 13:41:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 13:41:43,521 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:43,521 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:41:43,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:43,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:41:43,722 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:43,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:43,722 INFO L85 PathProgramCache]: Analyzing trace with hash 432201876, now seen corresponding path program 1 times [2024-12-02 13:41:43,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:41:43,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787841495] [2024-12-02 13:41:43,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:43,723 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 [2024-12-02 13:41:43,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:41:43,724 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:41:43,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:44,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:41:44,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:41:44,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 13:41:44,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-12-02 13:41:44,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:41:44,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-12-02 13:41:44,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:41:44,495 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 34 treesize of output 10 [2024-12-02 13:41:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:41:44,566 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:41:44,566 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:41:44,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787841495] [2024-12-02 13:41:44,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787841495] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:44,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:44,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:41:44,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844693350] [2024-12-02 13:41:44,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:44,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:41:44,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:41:44,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:41:44,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:41:44,568 INFO L87 Difference]: Start difference. First operand 240 states and 337 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:41:46,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:50,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:54,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:41:55,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:41:55,276 INFO L93 Difference]: Finished difference Result 709 states and 997 transitions. [2024-12-02 13:41:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:41:55,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-12-02 13:41:55,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:41:55,280 INFO L225 Difference]: With dead ends: 709 [2024-12-02 13:41:55,281 INFO L226 Difference]: Without dead ends: 472 [2024-12-02 13:41:55,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:41:55,282 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 147 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:41:55,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1220 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 297 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2024-12-02 13:41:55,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-12-02 13:41:55,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 468. [2024-12-02 13:41:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 381 states have (on average 1.3280839895013123) internal successors, (506), 384 states have internal predecessors, (506), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2024-12-02 13:41:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 658 transitions. [2024-12-02 13:41:55,309 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 658 transitions. Word has length 169 [2024-12-02 13:41:55,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:41:55,309 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 658 transitions. [2024-12-02 13:41:55,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:41:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 658 transitions. [2024-12-02 13:41:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 13:41:55,311 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:41:55,311 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:41:55,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 13:41:55,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:41:55,511 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:41:55,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:41:55,512 INFO L85 PathProgramCache]: Analyzing trace with hash -154604138, now seen corresponding path program 1 times [2024-12-02 13:41:55,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:41:55,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164053517] [2024-12-02 13:41:55,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:41:55,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:41:55,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:41:55,514 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:41:55,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 13:41:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:41:56,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:41:56,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:41:56,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 13:41:56,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:41:56,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-12-02 13:41:56,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:41:56,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-12-02 13:41:56,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:41:56,359 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 34 treesize of output 10 [2024-12-02 13:41:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:41:56,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:41:56,389 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:41:56,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164053517] [2024-12-02 13:41:56,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164053517] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:41:56,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:41:56,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:41:56,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463254152] [2024-12-02 13:41:56,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:41:56,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:41:56,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:41:56,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:41:56,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:41:56,391 INFO L87 Difference]: Start difference. First operand 468 states and 658 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:00,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:02,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:04,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:07,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:07,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:42:07,857 INFO L93 Difference]: Finished difference Result 1008 states and 1409 transitions. [2024-12-02 13:42:07,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:42:07,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-12-02 13:42:07,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:42:07,860 INFO L225 Difference]: With dead ends: 1008 [2024-12-02 13:42:07,860 INFO L226 Difference]: Without dead ends: 543 [2024-12-02 13:42:07,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:42:07,862 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 141 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:42:07,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 621 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2024-12-02 13:42:07,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-12-02 13:42:07,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 540. [2024-12-02 13:42:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 433 states have (on average 1.3071593533487298) internal successors, (566), 437 states have internal predecessors, (566), 92 states have call successors, (92), 14 states have call predecessors, (92), 14 states have return successors, (92), 88 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 13:42:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 750 transitions. [2024-12-02 13:42:07,902 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 750 transitions. Word has length 169 [2024-12-02 13:42:07,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:42:07,903 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 750 transitions. [2024-12-02 13:42:07,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:07,903 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 750 transitions. [2024-12-02 13:42:07,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 13:42:07,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:42:07,904 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:42:07,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 13:42:08,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:42:08,105 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:42:08,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:42:08,106 INFO L85 PathProgramCache]: Analyzing trace with hash 298188370, now seen corresponding path program 1 times [2024-12-02 13:42:08,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:42:08,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78893938] [2024-12-02 13:42:08,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:42:08,106 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 [2024-12-02 13:42:08,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:42:08,108 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:42:08,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 13:42:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:42:08,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:42:08,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:42:08,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 13:42:08,840 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:08,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-12-02 13:42:08,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:08,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-12-02 13:42:08,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:08,922 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 35 treesize of output 11 [2024-12-02 13:42:08,950 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:42:08,950 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:42:08,951 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:42:08,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78893938] [2024-12-02 13:42:08,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78893938] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:42:08,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:42:08,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:42:08,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959147203] [2024-12-02 13:42:08,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:42:08,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:42:08,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:42:08,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:42:08,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:42:08,952 INFO L87 Difference]: Start difference. First operand 540 states and 750 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:10,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:12,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:13,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:42:13,315 INFO L93 Difference]: Finished difference Result 1020 states and 1411 transitions. [2024-12-02 13:42:13,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:42:13,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-12-02 13:42:13,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:42:13,318 INFO L225 Difference]: With dead ends: 1020 [2024-12-02 13:42:13,318 INFO L226 Difference]: Without dead ends: 551 [2024-12-02 13:42:13,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:42:13,320 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 140 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:42:13,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 870 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 13:42:13,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-12-02 13:42:13,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 460. [2024-12-02 13:42:13,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 377 states have (on average 1.3156498673740054) internal successors, (496), 380 states have internal predecessors, (496), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2024-12-02 13:42:13,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 636 transitions. [2024-12-02 13:42:13,366 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 636 transitions. Word has length 169 [2024-12-02 13:42:13,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:42:13,366 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 636 transitions. [2024-12-02 13:42:13,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 636 transitions. [2024-12-02 13:42:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 13:42:13,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:42:13,368 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:42:13,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 13:42:13,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:42:13,568 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:42:13,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:42:13,569 INFO L85 PathProgramCache]: Analyzing trace with hash -288617644, now seen corresponding path program 1 times [2024-12-02 13:42:13,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:42:13,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159024767] [2024-12-02 13:42:13,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:42:13,569 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 [2024-12-02 13:42:13,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:42:13,571 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:42:13,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 13:42:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:42:14,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:42:14,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:42:14,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 13:42:14,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-12-02 13:42:14,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:14,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2024-12-02 13:42:14,339 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:14,339 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 34 treesize of output 10 [2024-12-02 13:42:14,394 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:42:14,394 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:42:14,394 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:42:14,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159024767] [2024-12-02 13:42:14,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159024767] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:42:14,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:42:14,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:42:14,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327763933] [2024-12-02 13:42:14,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:42:14,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:42:14,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:42:14,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:42:14,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:42:14,396 INFO L87 Difference]: Start difference. First operand 460 states and 636 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:15,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:20,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:20,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:42:20,893 INFO L93 Difference]: Finished difference Result 988 states and 1365 transitions. [2024-12-02 13:42:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:42:20,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 169 [2024-12-02 13:42:20,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:42:20,897 INFO L225 Difference]: With dead ends: 988 [2024-12-02 13:42:20,897 INFO L226 Difference]: Without dead ends: 531 [2024-12-02 13:42:20,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:42:20,898 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 139 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:42:20,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1330 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-12-02 13:42:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-12-02 13:42:20,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 460. [2024-12-02 13:42:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 377 states have (on average 1.3103448275862069) internal successors, (494), 380 states have internal predecessors, (494), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2024-12-02 13:42:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 634 transitions. [2024-12-02 13:42:20,942 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 634 transitions. Word has length 169 [2024-12-02 13:42:20,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:42:20,942 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 634 transitions. [2024-12-02 13:42:20,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 634 transitions. [2024-12-02 13:42:20,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 13:42:20,943 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:42:20,944 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:42:20,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-12-02 13:42:21,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:42:21,144 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:42:21,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:42:21,144 INFO L85 PathProgramCache]: Analyzing trace with hash 460209894, now seen corresponding path program 1 times [2024-12-02 13:42:21,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:42:21,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321828216] [2024-12-02 13:42:21,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:42:21,145 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 [2024-12-02 13:42:21,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:42:21,146 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:42:21,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 13:42:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:42:21,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:42:21,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:42:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:42:21,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:42:21,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:42:21,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321828216] [2024-12-02 13:42:21,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321828216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:42:21,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:42:21,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:42:21,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643609384] [2024-12-02 13:42:21,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:42:21,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:42:21,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:42:21,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:42:21,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:42:21,873 INFO L87 Difference]: Start difference. First operand 460 states and 634 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:21,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:42:21,979 INFO L93 Difference]: Finished difference Result 929 states and 1281 transitions. [2024-12-02 13:42:21,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:42:21,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2024-12-02 13:42:21,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:42:21,982 INFO L225 Difference]: With dead ends: 929 [2024-12-02 13:42:21,982 INFO L226 Difference]: Without dead ends: 472 [2024-12-02 13:42:21,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:42:21,983 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:42:21,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 660 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:42:21,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-12-02 13:42:22,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2024-12-02 13:42:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 389 states have (on average 1.300771208226221) internal successors, (506), 392 states have internal predecessors, (506), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2024-12-02 13:42:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 646 transitions. [2024-12-02 13:42:22,019 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 646 transitions. Word has length 171 [2024-12-02 13:42:22,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:42:22,019 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 646 transitions. [2024-12-02 13:42:22,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 646 transitions. [2024-12-02 13:42:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-12-02 13:42:22,021 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:42:22,021 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:42:22,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 13:42:22,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:42:22,221 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:42:22,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:42:22,222 INFO L85 PathProgramCache]: Analyzing trace with hash 428229889, now seen corresponding path program 1 times [2024-12-02 13:42:22,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:42:22,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894169302] [2024-12-02 13:42:22,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:42:22,223 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 [2024-12-02 13:42:22,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:42:22,225 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:42:22,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 13:42:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:42:23,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:42:23,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:42:23,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 13:42:23,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-12-02 13:42:23,223 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:23,223 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 34 treesize of output 10 [2024-12-02 13:42:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:42:23,319 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:42:23,319 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:42:23,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894169302] [2024-12-02 13:42:23,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894169302] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:42:23,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:42:23,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:42:23,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249720998] [2024-12-02 13:42:23,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:42:23,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:42:23,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:42:23,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:42:23,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:42:23,321 INFO L87 Difference]: Start difference. First operand 472 states and 646 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:25,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:28,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:31,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:31,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:42:31,826 INFO L93 Difference]: Finished difference Result 1404 states and 1921 transitions. [2024-12-02 13:42:31,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:42:31,827 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 173 [2024-12-02 13:42:31,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:42:31,832 INFO L225 Difference]: With dead ends: 1404 [2024-12-02 13:42:31,832 INFO L226 Difference]: Without dead ends: 935 [2024-12-02 13:42:31,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:42:31,834 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 140 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:42:31,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 907 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-12-02 13:42:31,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2024-12-02 13:42:31,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 534. [2024-12-02 13:42:31,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 451 states have (on average 1.3082039911308203) internal successors, (590), 454 states have internal predecessors, (590), 70 states have call successors, (70), 12 states have call predecessors, (70), 12 states have return successors, (70), 67 states have call predecessors, (70), 70 states have call successors, (70) [2024-12-02 13:42:31,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 730 transitions. [2024-12-02 13:42:31,886 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 730 transitions. Word has length 173 [2024-12-02 13:42:31,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:42:31,886 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 730 transitions. [2024-12-02 13:42:31,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 730 transitions. [2024-12-02 13:42:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-12-02 13:42:31,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:42:31,888 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:42:31,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 13:42:32,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:42:32,089 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:42:32,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:42:32,089 INFO L85 PathProgramCache]: Analyzing trace with hash 35202879, now seen corresponding path program 1 times [2024-12-02 13:42:32,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:42:32,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15312570] [2024-12-02 13:42:32,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:42:32,090 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 [2024-12-02 13:42:32,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:42:32,092 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:42:32,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 13:42:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:42:34,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-02 13:42:34,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:42:35,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 13:42:35,607 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:35,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 26 [2024-12-02 13:42:36,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2024-12-02 13:42:37,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:37,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 53 [2024-12-02 13:42:38,147 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:38,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 53 [2024-12-02 13:42:38,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:38,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 53 [2024-12-02 13:42:39,412 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:42:39,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 99 treesize of output 69 [2024-12-02 13:42:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 479 proven. 66 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-12-02 13:42:42,372 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:42:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 13:42:44,744 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:42:44,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15312570] [2024-12-02 13:42:44,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15312570] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:42:44,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:42:44,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [29] total 37 [2024-12-02 13:42:44,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097791392] [2024-12-02 13:42:44,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:42:44,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:42:44,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:42:44,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:42:44,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=1083, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 13:42:44,747 INFO L87 Difference]: Start difference. First operand 534 states and 730 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:48,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:52,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:53,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:42:54,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:42:54,513 INFO L93 Difference]: Finished difference Result 1371 states and 1867 transitions. [2024-12-02 13:42:54,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:42:54,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 173 [2024-12-02 13:42:54,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:42:54,518 INFO L225 Difference]: With dead ends: 1371 [2024-12-02 13:42:54,518 INFO L226 Difference]: Without dead ends: 840 [2024-12-02 13:42:54,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=289, Invalid=1271, Unknown=0, NotChecked=0, Total=1560 [2024-12-02 13:42:54,520 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 882 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:42:54,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 949 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2024-12-02 13:42:54,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-12-02 13:42:54,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 698. [2024-12-02 13:42:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 590 states have (on average 1.3084745762711865) internal successors, (772), 595 states have internal predecessors, (772), 90 states have call successors, (90), 17 states have call predecessors, (90), 17 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-02 13:42:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 952 transitions. [2024-12-02 13:42:54,589 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 952 transitions. Word has length 173 [2024-12-02 13:42:54,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:42:54,589 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 952 transitions. [2024-12-02 13:42:54,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 13:42:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 952 transitions. [2024-12-02 13:42:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-12-02 13:42:54,591 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:42:54,591 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:42:54,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 13:42:54,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:42:54,792 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:42:54,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:42:54,792 INFO L85 PathProgramCache]: Analyzing trace with hash -744217749, now seen corresponding path program 1 times [2024-12-02 13:42:54,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:42:54,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316018730] [2024-12-02 13:42:54,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:42:54,793 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 [2024-12-02 13:42:54,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:42:54,795 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 13:42:54,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_402d795f-d52b-4ac6-ad7e-5c9a946a0602/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process