./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.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_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:30:14,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:30:15,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:30:15,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:30:15,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:30:15,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:30:15,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:30:15,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:30:15,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:30:15,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:30:15,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:30:15,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:30:15,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:30:15,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:30:15,093 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:30:15,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:30:15,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:30:15,094 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:30:15,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:30:15,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:30:15,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:30:15,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:30:15,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:30:15,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:30:15,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:30:15,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:30:15,095 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:30:15,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:30:15,095 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:30:15,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:15,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:15,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:15,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:15,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:30:15,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:15,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:15,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:15,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:15,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:30:15,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:30:15,097 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:30:15,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:30:15,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:30:15,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:30:15,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:30:15,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:30:15,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:30:15,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:30:15,098 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_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d [2024-11-28 03:30:15,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:30:15,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:30:15,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:30:15,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:30:15,550 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:30:15,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2024-11-28 03:30:18,719 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data/ed64c3183/ca81047867be4297be5682b4327e3dd4/FLAGb027e2ab1 [2024-11-28 03:30:19,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:30:19,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2024-11-28 03:30:19,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data/ed64c3183/ca81047867be4297be5682b4327e3dd4/FLAGb027e2ab1 [2024-11-28 03:30:19,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data/ed64c3183/ca81047867be4297be5682b4327e3dd4 [2024-11-28 03:30:19,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:30:19,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:30:19,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:19,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:30:19,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:30:19,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663b0769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19, skipping insertion in model container [2024-11-28 03:30:19,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:30:19,570 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_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2024-11-28 03:30:19,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:19,726 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:30:19,739 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_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2024-11-28 03:30:19,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:19,817 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:30:19,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19 WrapperNode [2024-11-28 03:30:19,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:19,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:19,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:30:19,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:30:19,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,891 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 215 [2024-11-28 03:30:19,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:19,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:30:19,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:30:19,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:30:19,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,941 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:30:19,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:19,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:30:20,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:30:20,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:30:20,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:30:20,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (1/1) ... [2024-11-28 03:30:20,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:20,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:20,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:30:20,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:30:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:30:20,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:30:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:30:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:30:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:30:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:30:20,203 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:30:20,207 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:30:20,834 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-28 03:30:20,834 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:30:20,846 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:30:20,847 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:30:20,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:20 BoogieIcfgContainer [2024-11-28 03:30:20,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:30:20,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:30:20,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:30:20,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:30:20,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:30:19" (1/3) ... [2024-11-28 03:30:20,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cd32de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:20, skipping insertion in model container [2024-11-28 03:30:20,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:19" (2/3) ... [2024-11-28 03:30:20,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cd32de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:20, skipping insertion in model container [2024-11-28 03:30:20,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:20" (3/3) ... [2024-11-28 03:30:20,858 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2024-11-28 03:30:20,877 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:30:20,880 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i that has 2 procedures, 91 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:30:20,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:30:20,986 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;@2ad43616, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:30:20,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:30:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 69 states have (on average 1.5217391304347827) internal successors, (105), 70 states have internal predecessors, (105), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 03:30:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:30:21,003 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:21,004 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:21,004 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:21,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:21,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1812781664, now seen corresponding path program 1 times [2024-11-28 03:30:21,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:21,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605019045] [2024-11-28 03:30:21,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:21,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 03:30:21,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:21,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605019045] [2024-11-28 03:30:21,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605019045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:30:21,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527471694] [2024-11-28 03:30:21,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:21,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:21,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:21,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:21,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:30:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:21,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:30:21,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 03:30:21,707 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:21,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527471694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:21,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:30:21,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:30:21,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469880424] [2024-11-28 03:30:21,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:21,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:30:21,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:21,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:30:21,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:30:21,743 INFO L87 Difference]: Start difference. First operand has 91 states, 69 states have (on average 1.5217391304347827) internal successors, (105), 70 states have internal predecessors, (105), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:30:21,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:21,784 INFO L93 Difference]: Finished difference Result 171 states and 293 transitions. [2024-11-28 03:30:21,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:30:21,787 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 138 [2024-11-28 03:30:21,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:21,794 INFO L225 Difference]: With dead ends: 171 [2024-11-28 03:30:21,795 INFO L226 Difference]: Without dead ends: 83 [2024-11-28 03:30:21,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:30:21,804 INFO L435 NwaCegarLoop]: 127 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, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:21,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:30:21,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-28 03:30:21,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-28 03:30:21,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 62 states have (on average 1.435483870967742) internal successors, (89), 62 states have internal predecessors, (89), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 03:30:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 127 transitions. [2024-11-28 03:30:21,869 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 127 transitions. Word has length 138 [2024-11-28 03:30:21,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:21,872 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 127 transitions. [2024-11-28 03:30:21,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:30:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2024-11-28 03:30:21,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:30:21,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:21,881 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:21,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:30:22,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:30:22,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:22,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:22,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1698417242, now seen corresponding path program 1 times [2024-11-28 03:30:22,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:22,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653842332] [2024-11-28 03:30:22,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:22,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:30:22,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:22,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653842332] [2024-11-28 03:30:22,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653842332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:22,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:22,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:30:22,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316974968] [2024-11-28 03:30:22,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:22,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:30:22,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:22,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:30:22,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:30:22,628 INFO L87 Difference]: Start difference. First operand 83 states and 127 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:22,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:22,872 INFO L93 Difference]: Finished difference Result 243 states and 375 transitions. [2024-11-28 03:30:22,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:30:22,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 138 [2024-11-28 03:30:22,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:22,876 INFO L225 Difference]: With dead ends: 243 [2024-11-28 03:30:22,876 INFO L226 Difference]: Without dead ends: 163 [2024-11-28 03:30:22,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:30:22,878 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 86 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:22,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 316 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:30:22,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-28 03:30:22,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 161. [2024-11-28 03:30:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 120 states have (on average 1.4416666666666667) internal successors, (173), 120 states have internal predecessors, (173), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:30:22,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 249 transitions. [2024-11-28 03:30:22,934 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 249 transitions. Word has length 138 [2024-11-28 03:30:22,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:22,935 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 249 transitions. [2024-11-28 03:30:22,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:22,935 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 249 transitions. [2024-11-28 03:30:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:30:22,937 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:22,937 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:22,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:30:22,938 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:22,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:22,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1917271960, now seen corresponding path program 1 times [2024-11-28 03:30:22,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:22,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367421109] [2024-11-28 03:30:22,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:22,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:30:23,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:23,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367421109] [2024-11-28 03:30:23,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367421109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:23,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:23,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:30:23,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791051101] [2024-11-28 03:30:23,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:23,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:30:23,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:23,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:30:23,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:30:23,640 INFO L87 Difference]: Start difference. First operand 161 states and 249 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:23,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:23,974 INFO L93 Difference]: Finished difference Result 469 states and 716 transitions. [2024-11-28 03:30:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:30:23,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 138 [2024-11-28 03:30:23,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:23,982 INFO L225 Difference]: With dead ends: 469 [2024-11-28 03:30:23,983 INFO L226 Difference]: Without dead ends: 311 [2024-11-28 03:30:23,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:30:23,988 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 121 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:23,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 297 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:30:23,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-28 03:30:24,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 305. [2024-11-28 03:30:24,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 224 states have (on average 1.4017857142857142) internal successors, (314), 226 states have internal predecessors, (314), 75 states have call successors, (75), 5 states have call predecessors, (75), 5 states have return successors, (75), 73 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-28 03:30:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2024-11-28 03:30:24,092 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 138 [2024-11-28 03:30:24,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:24,093 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2024-11-28 03:30:24,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2024-11-28 03:30:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:30:24,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:24,102 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:24,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:30:24,102 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:24,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash -42044082, now seen corresponding path program 1 times [2024-11-28 03:30:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:24,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428766408] [2024-11-28 03:30:24,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:30:24,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:24,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428766408] [2024-11-28 03:30:24,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428766408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:24,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:24,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:30:24,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118429499] [2024-11-28 03:30:24,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:24,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:30:24,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:24,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:30:24,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:30:24,450 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:24,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:24,649 INFO L93 Difference]: Finished difference Result 654 states and 991 transitions. [2024-11-28 03:30:24,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:30:24,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 139 [2024-11-28 03:30:24,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:24,661 INFO L225 Difference]: With dead ends: 654 [2024-11-28 03:30:24,661 INFO L226 Difference]: Without dead ends: 352 [2024-11-28 03:30:24,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:30:24,667 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 57 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:24,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 338 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:30:24,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-28 03:30:24,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 341. [2024-11-28 03:30:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 250 states have (on average 1.384) internal successors, (346), 253 states have internal predecessors, (346), 84 states have call successors, (84), 6 states have call predecessors, (84), 6 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-28 03:30:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 514 transitions. [2024-11-28 03:30:24,758 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 514 transitions. Word has length 139 [2024-11-28 03:30:24,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:24,759 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 514 transitions. [2024-11-28 03:30:24,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 514 transitions. [2024-11-28 03:30:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:30:24,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:24,767 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:24,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:30:24,767 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:24,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:24,768 INFO L85 PathProgramCache]: Analyzing trace with hash 490374194, now seen corresponding path program 1 times [2024-11-28 03:30:24,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:24,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026477608] [2024-11-28 03:30:24,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:24,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:30:25,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:25,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026477608] [2024-11-28 03:30:25,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026477608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:25,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:25,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:30:25,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310120221] [2024-11-28 03:30:25,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:25,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:30:25,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:25,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:30:25,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:30:25,353 INFO L87 Difference]: Start difference. First operand 341 states and 514 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:25,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:25,851 INFO L93 Difference]: Finished difference Result 841 states and 1255 transitions. [2024-11-28 03:30:25,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:30:25,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 139 [2024-11-28 03:30:25,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:25,858 INFO L225 Difference]: With dead ends: 841 [2024-11-28 03:30:25,858 INFO L226 Difference]: Without dead ends: 503 [2024-11-28 03:30:25,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:30:25,864 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 149 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:25,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 362 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:30:25,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-28 03:30:25,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 497. [2024-11-28 03:30:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 362 states have (on average 1.3480662983425415) internal successors, (488), 369 states have internal predecessors, (488), 124 states have call successors, (124), 10 states have call predecessors, (124), 10 states have return successors, (124), 117 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-28 03:30:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 736 transitions. [2024-11-28 03:30:25,974 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 736 transitions. Word has length 139 [2024-11-28 03:30:25,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:25,975 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 736 transitions. [2024-11-28 03:30:25,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:25,976 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 736 transitions. [2024-11-28 03:30:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:30:25,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:25,978 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:25,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:30:25,979 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:25,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:25,979 INFO L85 PathProgramCache]: Analyzing trace with hash -318972432, now seen corresponding path program 1 times [2024-11-28 03:30:25,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:25,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279571614] [2024-11-28 03:30:25,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:25,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:26,462 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 18 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 03:30:26,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:26,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279571614] [2024-11-28 03:30:26,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279571614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:30:26,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833369728] [2024-11-28 03:30:26,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:26,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:26,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:26,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:26,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:30:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:26,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:30:26,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 330 proven. 18 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-28 03:30:27,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:30:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 18 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 03:30:28,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833369728] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:30:28,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:30:28,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 14 [2024-11-28 03:30:28,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36403808] [2024-11-28 03:30:28,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:30:28,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:30:28,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:28,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:30:28,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:30:28,086 INFO L87 Difference]: Start difference. First operand 497 states and 736 transitions. Second operand has 14 states, 14 states have (on average 8.857142857142858) internal successors, (124), 14 states have internal predecessors, (124), 6 states have call successors, (57), 3 states have call predecessors, (57), 6 states have return successors, (57), 6 states have call predecessors, (57), 6 states have call successors, (57) [2024-11-28 03:30:29,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:29,242 INFO L93 Difference]: Finished difference Result 1029 states and 1516 transitions. [2024-11-28 03:30:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:30:29,243 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.857142857142858) internal successors, (124), 14 states have internal predecessors, (124), 6 states have call successors, (57), 3 states have call predecessors, (57), 6 states have return successors, (57), 6 states have call predecessors, (57), 6 states have call successors, (57) Word has length 139 [2024-11-28 03:30:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:29,249 INFO L225 Difference]: With dead ends: 1029 [2024-11-28 03:30:29,249 INFO L226 Difference]: Without dead ends: 535 [2024-11-28 03:30:29,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:30:29,252 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 475 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:29,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 657 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:30:29,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-28 03:30:29,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 426. [2024-11-28 03:30:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 311 states have (on average 1.3569131832797428) internal successors, (422), 316 states have internal predecessors, (422), 104 states have call successors, (104), 10 states have call predecessors, (104), 10 states have return successors, (104), 99 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 03:30:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 630 transitions. [2024-11-28 03:30:29,324 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 630 transitions. Word has length 139 [2024-11-28 03:30:29,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:29,325 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 630 transitions. [2024-11-28 03:30:29,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.857142857142858) internal successors, (124), 14 states have internal predecessors, (124), 6 states have call successors, (57), 3 states have call predecessors, (57), 6 states have return successors, (57), 6 states have call predecessors, (57), 6 states have call successors, (57) [2024-11-28 03:30:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 630 transitions. [2024-11-28 03:30:29,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:30:29,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:29,329 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:29,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:30:29,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:29,533 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:29,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:29,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1165381174, now seen corresponding path program 1 times [2024-11-28 03:30:29,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:29,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438271423] [2024-11-28 03:30:29,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:29,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:30:29,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:29,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438271423] [2024-11-28 03:30:29,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438271423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:29,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:29,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:30:29,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933388650] [2024-11-28 03:30:29,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:29,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:30:29,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:29,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:30:29,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:30:29,709 INFO L87 Difference]: Start difference. First operand 426 states and 630 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:29,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:29,878 INFO L93 Difference]: Finished difference Result 428 states and 631 transitions. [2024-11-28 03:30:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:30:29,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 139 [2024-11-28 03:30:29,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:29,882 INFO L225 Difference]: With dead ends: 428 [2024-11-28 03:30:29,885 INFO L226 Difference]: Without dead ends: 237 [2024-11-28 03:30:29,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:30:29,887 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 122 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:29,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 197 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:30:29,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-28 03:30:29,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 121. [2024-11-28 03:30:29,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 90 states have internal predecessors, (119), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:30:29,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 175 transitions. [2024-11-28 03:30:29,921 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 175 transitions. Word has length 139 [2024-11-28 03:30:29,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:29,922 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 175 transitions. [2024-11-28 03:30:29,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:29,922 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 175 transitions. [2024-11-28 03:30:29,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:30:29,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:29,924 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:29,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:30:29,925 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:29,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:29,925 INFO L85 PathProgramCache]: Analyzing trace with hash -194964052, now seen corresponding path program 1 times [2024-11-28 03:30:29,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:29,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895006391] [2024-11-28 03:30:29,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:29,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:30:30,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1438864242] [2024-11-28 03:30:30,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:30,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:30,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:30,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:30,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:30:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:30,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:30:30,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:30:31,615 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:31,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:31,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895006391] [2024-11-28 03:30:31,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:30:31,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438864242] [2024-11-28 03:30:31,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438864242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:31,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:31,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:30:31,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140236907] [2024-11-28 03:30:31,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:31,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:30:31,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:31,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:30:31,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:30:31,619 INFO L87 Difference]: Start difference. First operand 121 states and 175 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:32,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:32,537 INFO L93 Difference]: Finished difference Result 587 states and 857 transitions. [2024-11-28 03:30:32,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:30:32,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 140 [2024-11-28 03:30:32,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:32,542 INFO L225 Difference]: With dead ends: 587 [2024-11-28 03:30:32,543 INFO L226 Difference]: Without dead ends: 469 [2024-11-28 03:30:32,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:30:32,545 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 280 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:32,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 764 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:30:32,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-28 03:30:32,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 349. [2024-11-28 03:30:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 255 states have (on average 1.3372549019607842) internal successors, (341), 258 states have internal predecessors, (341), 84 states have call successors, (84), 9 states have call predecessors, (84), 9 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-28 03:30:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 509 transitions. [2024-11-28 03:30:32,635 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 509 transitions. Word has length 140 [2024-11-28 03:30:32,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:32,635 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 509 transitions. [2024-11-28 03:30:32,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 509 transitions. [2024-11-28 03:30:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 03:30:32,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:32,637 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:32,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:30:32,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:32,844 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:32,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:32,844 INFO L85 PathProgramCache]: Analyzing trace with hash 23890666, now seen corresponding path program 1 times [2024-11-28 03:30:32,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:32,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185369445] [2024-11-28 03:30:32,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:32,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:30:32,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199055509] [2024-11-28 03:30:32,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:32,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:32,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:32,931 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:32,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:30:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:33,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:30:33,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:30:33,402 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:33,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:30:33,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185369445] [2024-11-28 03:30:33,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:30:33,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199055509] [2024-11-28 03:30:33,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199055509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:33,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:33,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:30:33,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173711754] [2024-11-28 03:30:33,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:33,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:30:33,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:30:33,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:30:33,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:30:33,406 INFO L87 Difference]: Start difference. First operand 349 states and 509 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:33,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:30:33,845 INFO L93 Difference]: Finished difference Result 1401 states and 2050 transitions. [2024-11-28 03:30:33,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:30:33,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 140 [2024-11-28 03:30:33,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:30:33,858 INFO L225 Difference]: With dead ends: 1401 [2024-11-28 03:30:33,858 INFO L226 Difference]: Without dead ends: 1055 [2024-11-28 03:30:33,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:30:33,861 INFO L435 NwaCegarLoop]: 427 mSDtfsCounter, 263 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:30:33,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 1456 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:30:33,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-11-28 03:30:34,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 488. [2024-11-28 03:30:34,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 363 states have (on average 1.3498622589531681) internal successors, (490), 367 states have internal predecessors, (490), 112 states have call successors, (112), 12 states have call predecessors, (112), 12 states have return successors, (112), 108 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-28 03:30:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 714 transitions. [2024-11-28 03:30:34,020 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 714 transitions. Word has length 140 [2024-11-28 03:30:34,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:30:34,022 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 714 transitions. [2024-11-28 03:30:34,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:30:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 714 transitions. [2024-11-28 03:30:34,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 03:30:34,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:34,027 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:34,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:30:34,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:34,231 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:34,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:34,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1982901876, now seen corresponding path program 1 times [2024-11-28 03:30:34,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:34,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446097031] [2024-11-28 03:30:34,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:34,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:30:34,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1945261722] [2024-11-28 03:30:34,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:34,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:30:34,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:34,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:30:34,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:30:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:34,519 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:30:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:34,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:30:34,685 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:30:34,686 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:30:34,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:30:34,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:30:34,891 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:35,074 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:30:35,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:30:35 BoogieIcfgContainer [2024-11-28 03:30:35,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:30:35,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:30:35,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:30:35,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:30:35,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:20" (3/4) ... [2024-11-28 03:30:35,089 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:30:35,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:30:35,091 INFO L158 Benchmark]: Toolchain (without parser) took 15795.11ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 94.5MB in the beginning and 229.2MB in the end (delta: -134.7MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2024-11-28 03:30:35,091 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:35,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.14ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 79.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:30:35,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.96ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 75.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:35,092 INFO L158 Benchmark]: Boogie Preprocessor took 109.75ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 70.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:30:35,093 INFO L158 Benchmark]: RCFGBuilder took 844.72ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 44.0MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:30:35,093 INFO L158 Benchmark]: TraceAbstraction took 14233.12ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 43.4MB in the beginning and 229.3MB in the end (delta: -185.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-28 03:30:35,093 INFO L158 Benchmark]: Witness Printer took 6.51ms. Allocated memory is still 335.5MB. Free memory was 229.3MB in the beginning and 229.2MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:35,099 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.14ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 79.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.96ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 75.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 109.75ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 70.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 844.72ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 44.0MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14233.12ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 43.4MB in the beginning and 229.3MB in the end (delta: -185.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 6.51ms. Allocated memory is still 335.5MB. Free memory was 229.3MB in the beginning and 229.2MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 180, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 148, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 180, overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of someBinaryDOUBLEComparisonOperation at line 150, overapproximation of someBinaryDOUBLEComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 123, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 146, overapproximation of someBinaryDOUBLEComparisonOperation at line 144, overapproximation of someBinaryDOUBLEComparisonOperation at line 71. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed long int var_1_11 = 4; [L31] unsigned short int var_1_14 = 10000; [L32] unsigned short int var_1_16 = 5; [L33] unsigned short int var_1_17 = 4; [L34] unsigned char var_1_18 = 100; [L35] unsigned char var_1_19 = 1; [L36] unsigned char var_1_20 = 8; [L37] double var_1_21 = 63.25; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_25 = 0; [L40] unsigned char var_1_26 = 0; [L41] signed long int var_1_27 = 0; [L42] signed short int var_1_29 = 2; [L43] unsigned char var_1_31 = 1; [L44] signed long int var_1_32 = 32; [L45] signed long int var_1_34 = 0; [L46] unsigned char var_1_37 = 1; [L47] unsigned long int var_1_38 = 16; [L48] unsigned char var_1_39 = 0; [L49] unsigned char var_1_40 = 0; [L50] double last_1_var_1_1 = 256.5; [L51] float last_1_var_1_8 = 5.25; [L52] signed long int last_1_var_1_11 = 4; [L53] unsigned short int last_1_var_1_14 = 10000; [L54] unsigned short int last_1_var_1_17 = 4; [L55] unsigned char last_1_var_1_18 = 100; VAL [isInitial=0, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L184] isInitial = 1 [L185] FCALL initially() [L187] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_8 = var_1_8 [L174] last_1_var_1_11 = var_1_11 [L175] last_1_var_1_14 = var_1_14 [L176] last_1_var_1_17 = var_1_17 [L177] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L187] RET updateLastVariables() [L188] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L143] var_1_3 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L144] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L145] var_1_4 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L146] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L147] var_1_5 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L148] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L150] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L151] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L151] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L152] var_1_16 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L153] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L154] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L154] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L155] var_1_19 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L156] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L157] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L157] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L158] var_1_20 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L159] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L160] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L160] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L161] var_1_25 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L162] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L163] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L163] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L164] var_1_26 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L165] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L166] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L166] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L167] var_1_40 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_40 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L168] RET assume_abort_if_not(var_1_40 >= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L169] CALL assume_abort_if_not(var_1_40 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L169] RET assume_abort_if_not(var_1_40 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L188] RET updateVariables() [L189] CALL step() [L59] COND FALSE !(\read(var_1_2)) [L68] var_1_17 = last_1_var_1_18 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L70] COND TRUE ! var_1_2 [L71] var_1_1 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L75] COND FALSE !(var_1_5 > (var_1_3 / var_1_7)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L80] unsigned short int stepLocal_1 = var_1_16; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L81] EXPR var_1_6 | var_1_6 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L81] COND FALSE !((var_1_6 + (var_1_6 | var_1_6)) > stepLocal_1) [L84] COND FALSE !(var_1_5 >= var_1_1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L91] COND TRUE var_1_4 <= last_1_var_1_1 [L92] var_1_11 = (last_1_var_1_14 + -128) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L96] signed long int stepLocal_0 = var_1_11; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L97] COND TRUE (var_1_14 * var_1_17) >= stepLocal_0 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L98] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L102] var_1_21 = var_1_5 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L103] COND FALSE !(var_1_5 < (- var_1_4)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L110] var_1_27 = var_1_16 [L111] var_1_29 = var_1_20 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L112] COND TRUE var_1_18 == var_1_18 [L113] var_1_31 = (! var_1_26) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L115] COND TRUE var_1_20 < ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L116] COND FALSE !(var_1_25 && ((~ 0u) > var_1_14)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L120] COND FALSE !(var_1_14 < var_1_19) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L123] COND FALSE !((- var_1_5) > var_1_7) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L131] var_1_37 = (var_1_2 && var_1_25) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L132] EXPR var_1_19 & var_1_18 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L132] EXPR (var_1_19 & var_1_18) & var_1_19 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L132] COND TRUE ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20))) <= ((var_1_19 & var_1_18) & var_1_19) [L133] var_1_38 = ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=0, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L135] COND TRUE var_1_18 < var_1_16 [L136] var_1_39 = (! (var_1_26 && var_1_40)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=0, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L189] RET step() [L190] CALL, EXPR property() [L180] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=0, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L180-L181] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=0, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=0, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=0, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.0s, OverallIterations: 10, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1592 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1553 mSDsluCounter, 4514 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2984 mSDsCounter, 253 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1485 IncrementalHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 253 mSolverCounterUnsat, 1530 mSDtfsCounter, 1485 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 750 GetRequests, 698 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=497occurred in iteration=5, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 937 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2089 NumberOfCodeBlocks, 2089 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1654 ConstructedInterpolants, 0 QuantifiedInterpolants, 5905 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1409 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 8118/8208 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:30:35,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:30:38,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:30:38,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:30:38,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:30:38,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:30:38,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:30:38,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:30:38,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:30:38,443 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:30:38,443 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:30:38,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:30:38,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:30:38,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:30:38,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:30:38,444 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:30:38,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:30:38,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:30:38,445 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:30:38,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:30:38,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:30:38,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:30:38,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:30:38,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:30:38,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:30:38,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:30:38,446 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:30:38,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:30:38,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:30:38,447 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:30:38,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:30:38,447 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:30:38,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:38,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:38,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:38,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:38,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:30:38,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:38,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:38,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:38,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:38,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:30:38,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:30:38,449 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:30:38,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:30:38,449 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:30:38,449 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:30:38,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:30:38,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:30:38,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:30:38,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:30:38,450 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_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d [2024-11-28 03:30:38,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:30:38,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:30:38,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:30:38,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:30:38,902 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:30:38,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2024-11-28 03:30:42,071 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data/774d33e8f/c88bd5df0e5f40578bc6833f2bc16213/FLAG1f89eea6c [2024-11-28 03:30:42,416 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:30:42,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2024-11-28 03:30:42,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data/774d33e8f/c88bd5df0e5f40578bc6833f2bc16213/FLAG1f89eea6c [2024-11-28 03:30:42,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/data/774d33e8f/c88bd5df0e5f40578bc6833f2bc16213 [2024-11-28 03:30:42,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:30:42,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:30:42,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:42,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:30:42,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:30:42,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:42" (1/1) ... [2024-11-28 03:30:42,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:42, skipping insertion in model container [2024-11-28 03:30:42,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:42" (1/1) ... [2024-11-28 03:30:42,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:30:42,881 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_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2024-11-28 03:30:42,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:42,974 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:30:42,986 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_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2024-11-28 03:30:43,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:43,051 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:30:43,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43 WrapperNode [2024-11-28 03:30:43,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:43,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:43,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:30:43,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:30:43,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,103 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2024-11-28 03:30:43,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:43,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:30:43,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:30:43,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:30:43,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,119 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,133 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:30:43,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:30:43,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:30:43,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:30:43,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:30:43,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (1/1) ... [2024-11-28 03:30:43,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:43,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:43,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:30:43,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:30:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:30:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:30:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:30:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:30:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:30:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:30:43,375 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:30:43,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:30:55,286 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 03:30:55,286 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:30:55,298 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:30:55,298 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:30:55,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:55 BoogieIcfgContainer [2024-11-28 03:30:55,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:30:55,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:30:55,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:30:55,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:30:55,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:30:42" (1/3) ... [2024-11-28 03:30:55,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25db8629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:55, skipping insertion in model container [2024-11-28 03:30:55,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:43" (2/3) ... [2024-11-28 03:30:55,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25db8629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:55, skipping insertion in model container [2024-11-28 03:30:55,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:55" (3/3) ... [2024-11-28 03:30:55,309 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2024-11-28 03:30:55,326 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:30:55,329 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:30:55,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:30:55,419 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;@745d2218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:30:55,419 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:30:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 54 states have (on average 1.5) internal successors, (81), 55 states have internal predecessors, (81), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 03:30:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:30:55,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:55,440 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:30:55,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:55,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:55,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1326954124, now seen corresponding path program 1 times [2024-11-28 03:30:55,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:30:55,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202045097] [2024-11-28 03:30:55,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:55,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:30:55,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:30:55,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:30:55,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 03:30:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:30:56,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:30:56,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:30:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:30:58,880 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:30:58,883 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:30:58,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202045097] [2024-11-28 03:30:58,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202045097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:30:58,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:30:58,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:30:58,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774985188] [2024-11-28 03:30:58,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:30:58,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:30:58,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:30:58,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:30:58,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:30:58,922 INFO L87 Difference]: Start difference. First operand has 76 states, 54 states have (on average 1.5) internal successors, (81), 55 states have internal predecessors, (81), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:31:03,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:07,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:07,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:31:07,286 INFO L93 Difference]: Finished difference Result 214 states and 383 transitions. [2024-11-28 03:31:07,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:31:07,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2024-11-28 03:31:07,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:31:07,373 INFO L225 Difference]: With dead ends: 214 [2024-11-28 03:31:07,373 INFO L226 Difference]: Without dead ends: 141 [2024-11-28 03:31:07,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:31:07,380 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 48 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:31:07,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 212 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-11-28 03:31:07,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-28 03:31:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2024-11-28 03:31:07,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:31:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 217 transitions. [2024-11-28 03:31:07,481 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 217 transitions. Word has length 133 [2024-11-28 03:31:07,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:31:07,486 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 217 transitions. [2024-11-28 03:31:07,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:31:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 217 transitions. [2024-11-28 03:31:07,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:31:07,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:31:07,493 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:07,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 03:31:07,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:31:07,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:31:07,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:07,694 INFO L85 PathProgramCache]: Analyzing trace with hash -667190582, now seen corresponding path program 1 times [2024-11-28 03:31:07,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:31:07,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116034388] [2024-11-28 03:31:07,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:07,695 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:31:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:31:07,697 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:31:07,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 03:31:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:08,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:31:08,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:31:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:31:16,301 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:31:16,301 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:31:16,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116034388] [2024-11-28 03:31:16,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116034388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:16,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:16,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:31:16,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880393168] [2024-11-28 03:31:16,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:16,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:31:16,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:31:16,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:31:16,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:31:16,305 INFO L87 Difference]: Start difference. First operand 139 states and 217 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:31:23,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:27,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:32,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:36,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:41,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:45,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:49,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:53,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:31:57,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:01,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:05,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:09,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:13,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:17,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:25,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:29,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:33,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:37,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:37,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:32:37,954 INFO L93 Difference]: Finished difference Result 899 states and 1409 transitions. [2024-11-28 03:32:37,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:32:37,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2024-11-28 03:32:37,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:32:37,962 INFO L225 Difference]: With dead ends: 899 [2024-11-28 03:32:37,962 INFO L226 Difference]: Without dead ends: 763 [2024-11-28 03:32:37,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:32:37,965 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 649 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 166 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:32:37,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 849 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 651 Invalid, 17 Unknown, 0 Unchecked, 80.5s Time] [2024-11-28 03:32:37,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-28 03:32:38,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 488. [2024-11-28 03:32:38,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 347 states have (on average 1.4293948126801153) internal successors, (496), 347 states have internal predecessors, (496), 133 states have call successors, (133), 7 states have call predecessors, (133), 7 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-28 03:32:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 762 transitions. [2024-11-28 03:32:38,089 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 762 transitions. Word has length 133 [2024-11-28 03:32:38,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:32:38,090 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 762 transitions. [2024-11-28 03:32:38,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:32:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 762 transitions. [2024-11-28 03:32:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:32:38,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:32:38,093 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:38,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:32:38,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:32:38,294 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:32:38,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:38,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2145056838, now seen corresponding path program 1 times [2024-11-28 03:32:38,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:32:38,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442059159] [2024-11-28 03:32:38,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:38,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:32:38,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:32:38,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:32:38,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 03:32:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:39,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:32:39,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:32:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:32:43,081 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:32:43,081 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:32:43,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442059159] [2024-11-28 03:32:43,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442059159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:43,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:43,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:32:43,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789022424] [2024-11-28 03:32:43,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:43,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:32:43,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:32:43,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:32:43,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:32:43,084 INFO L87 Difference]: Start difference. First operand 488 states and 762 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:32:49,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:53,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:32:57,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:01,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:05,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:09,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:13,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:17,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:21,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:25,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:29,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:33,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:37,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:40,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:33:43,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:33:43,154 INFO L93 Difference]: Finished difference Result 1662 states and 2609 transitions. [2024-11-28 03:33:43,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:33:43,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2024-11-28 03:33:43,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:33:43,163 INFO L225 Difference]: With dead ends: 1662 [2024-11-28 03:33:43,163 INFO L226 Difference]: Without dead ends: 1177 [2024-11-28 03:33:43,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:33:43,167 INFO L435 NwaCegarLoop]: 364 mSDtfsCounter, 214 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 40 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:33:43,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 999 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 395 Invalid, 13 Unknown, 0 Unchecked, 59.6s Time] [2024-11-28 03:33:43,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-11-28 03:33:43,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 583. [2024-11-28 03:33:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 422 states have (on average 1.4407582938388626) internal successors, (608), 422 states have internal predecessors, (608), 152 states have call successors, (152), 8 states have call predecessors, (152), 8 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-28 03:33:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 912 transitions. [2024-11-28 03:33:43,293 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 912 transitions. Word has length 134 [2024-11-28 03:33:43,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:33:43,293 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 912 transitions. [2024-11-28 03:33:43,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:33:43,294 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 912 transitions. [2024-11-28 03:33:43,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:33:43,299 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:33:43,299 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:43,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 03:33:43,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:33:43,499 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:33:43,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:43,500 INFO L85 PathProgramCache]: Analyzing trace with hash 896258461, now seen corresponding path program 1 times [2024-11-28 03:33:43,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:33:43,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425933293] [2024-11-28 03:33:43,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:43,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:33:43,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:33:43,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:33:43,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 03:33:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:44,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:33:44,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:33:49,802 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:49,802 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:33:49,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425933293] [2024-11-28 03:33:49,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425933293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:49,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:49,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:33:49,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140090687] [2024-11-28 03:33:49,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:49,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:33:49,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:33:49,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:33:49,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:33:49,804 INFO L87 Difference]: Start difference. First operand 583 states and 912 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:33:57,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:34:01,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:34:05,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:34:09,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:34:13,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:34:17,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:34:19,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:34:23,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:23,288 INFO L93 Difference]: Finished difference Result 955 states and 1492 transitions. [2024-11-28 03:34:23,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:34:23,289 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2024-11-28 03:34:23,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:23,295 INFO L225 Difference]: With dead ends: 955 [2024-11-28 03:34:23,295 INFO L226 Difference]: Without dead ends: 819 [2024-11-28 03:34:23,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:34:23,297 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 519 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 81 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:23,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 936 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 747 Invalid, 6 Unknown, 0 Unchecked, 32.9s Time] [2024-11-28 03:34:23,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2024-11-28 03:34:23,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 591. [2024-11-28 03:34:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 430 states have (on average 1.441860465116279) internal successors, (620), 430 states have internal predecessors, (620), 152 states have call successors, (152), 8 states have call predecessors, (152), 8 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-28 03:34:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 924 transitions. [2024-11-28 03:34:23,390 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 924 transitions. Word has length 134 [2024-11-28 03:34:23,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:23,391 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 924 transitions. [2024-11-28 03:34:23,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:34:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 924 transitions. [2024-11-28 03:34:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:34:23,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:23,393 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:23,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 03:34:23,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:34:23,594 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:34:23,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:23,595 INFO L85 PathProgramCache]: Analyzing trace with hash -124809893, now seen corresponding path program 1 times [2024-11-28 03:34:23,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:34:23,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203046024] [2024-11-28 03:34:23,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:23,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:34:23,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:34:23,597 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:34:23,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 03:34:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:24,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:34:24,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:34:26,553 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:26,553 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:34:26,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203046024] [2024-11-28 03:34:26,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203046024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:26,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:26,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:34:26,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906992962] [2024-11-28 03:34:26,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:26,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:34:26,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:34:26,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:34:26,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:34:26,554 INFO L87 Difference]: Start difference. First operand 591 states and 924 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:34:32,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:34:36,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:34:40,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:34:44,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:34:48,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:34:52,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:34:54,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:34:58,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:35:01,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:35:08,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:35:12,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:13,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:13,024 INFO L93 Difference]: Finished difference Result 1712 states and 2692 transitions. [2024-11-28 03:35:13,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:35:13,026 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2024-11-28 03:35:13,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:13,033 INFO L225 Difference]: With dead ends: 1712 [2024-11-28 03:35:13,034 INFO L226 Difference]: Without dead ends: 1576 [2024-11-28 03:35:13,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:35:13,038 INFO L435 NwaCegarLoop]: 365 mSDtfsCounter, 232 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 83 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:13,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1186 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 337 Invalid, 9 Unknown, 0 Unchecked, 45.9s Time] [2024-11-28 03:35:13,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2024-11-28 03:35:13,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 749. [2024-11-28 03:35:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 548 states have (on average 1.4562043795620438) internal successors, (798), 548 states have internal predecessors, (798), 190 states have call successors, (190), 10 states have call predecessors, (190), 10 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:35:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1178 transitions. [2024-11-28 03:35:13,203 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1178 transitions. Word has length 134 [2024-11-28 03:35:13,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:13,204 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 1178 transitions. [2024-11-28 03:35:13,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:35:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1178 transitions. [2024-11-28 03:35:13,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 03:35:13,206 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:13,206 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:35:13,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 03:35:13,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:35:13,407 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:13,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:13,407 INFO L85 PathProgramCache]: Analyzing trace with hash 454036098, now seen corresponding path program 1 times [2024-11-28 03:35:13,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:35:13,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934936648] [2024-11-28 03:35:13,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:13,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:35:13,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:35:13,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:35:13,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 03:35:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:14,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:35:14,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:35:14,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:35:14,350 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:35:14,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934936648] [2024-11-28 03:35:14,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934936648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:14,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:14,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:35:14,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134061069] [2024-11-28 03:35:14,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:14,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:35:14,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:35:14,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:35:14,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:14,352 INFO L87 Difference]: Start difference. First operand 749 states and 1178 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:35:18,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:22,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:22,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:22,224 INFO L93 Difference]: Finished difference Result 1865 states and 2936 transitions. [2024-11-28 03:35:22,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:35:22,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2024-11-28 03:35:22,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:22,307 INFO L225 Difference]: With dead ends: 1865 [2024-11-28 03:35:22,307 INFO L226 Difference]: Without dead ends: 1119 [2024-11-28 03:35:22,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:22,310 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 39 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:22,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 199 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2024-11-28 03:35:22,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-11-28 03:35:22,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 946. [2024-11-28 03:35:22,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 745 states have (on average 1.4590604026845637) internal successors, (1087), 745 states have internal predecessors, (1087), 190 states have call successors, (190), 10 states have call predecessors, (190), 10 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:35:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1467 transitions. [2024-11-28 03:35:22,441 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1467 transitions. Word has length 135 [2024-11-28 03:35:22,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:22,442 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1467 transitions. [2024-11-28 03:35:22,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:35:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1467 transitions. [2024-11-28 03:35:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 03:35:22,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:22,445 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:35:22,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:35:22,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:35:22,646 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:22,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:22,646 INFO L85 PathProgramCache]: Analyzing trace with hash -825827580, now seen corresponding path program 1 times [2024-11-28 03:35:22,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:35:22,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161300555] [2024-11-28 03:35:22,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:22,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:35:22,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:35:22,649 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:35:22,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 03:35:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:23,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:35:23,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 330 proven. 18 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-28 03:35:26,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:35:26,872 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:35:26,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161300555] [2024-11-28 03:35:26,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161300555] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:26,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [758054707] [2024-11-28 03:35:26,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:26,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:35:26,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:35:26,877 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:35:26,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-28 03:35:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:28,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:35:28,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 330 proven. 18 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-28 03:35:30,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:35:31,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [758054707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:31,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:35:31,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-28 03:35:31,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906473653] [2024-11-28 03:35:31,706 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:35:31,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:35:31,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:35:31,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:35:31,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:35:31,708 INFO L87 Difference]: Start difference. First operand 946 states and 1467 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:35:37,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:41,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:45,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:49,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:53,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:55,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:56,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:56,201 INFO L93 Difference]: Finished difference Result 2140 states and 3279 transitions. [2024-11-28 03:35:56,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:35:56,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 135 [2024-11-28 03:35:56,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:56,208 INFO L225 Difference]: With dead ends: 2140 [2024-11-28 03:35:56,208 INFO L226 Difference]: Without dead ends: 1197 [2024-11-28 03:35:56,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:35:56,212 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 99 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:56,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 300 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 5 Unknown, 0 Unchecked, 24.0s Time] [2024-11-28 03:35:56,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-11-28 03:35:56,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1163. [2024-11-28 03:35:56,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 914 states have (on average 1.4420131291028446) internal successors, (1318), 914 states have internal predecessors, (1318), 228 states have call successors, (228), 20 states have call predecessors, (228), 20 states have return successors, (228), 228 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-28 03:35:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1774 transitions. [2024-11-28 03:35:56,424 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1774 transitions. Word has length 135 [2024-11-28 03:35:56,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:56,424 INFO L471 AbstractCegarLoop]: Abstraction has 1163 states and 1774 transitions. [2024-11-28 03:35:56,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 03:35:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1774 transitions. [2024-11-28 03:35:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 03:35:56,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:56,427 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:35:56,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-28 03:35:56,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:35:56,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:35:56,828 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:56,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:56,829 INFO L85 PathProgramCache]: Analyzing trace with hash -411568729, now seen corresponding path program 1 times [2024-11-28 03:35:56,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:35:56,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661324819] [2024-11-28 03:35:56,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:56,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:35:56,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:35:56,831 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:35:56,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-28 03:35:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:57,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:35:57,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 03:35:57,703 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:35:57,703 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:35:57,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661324819] [2024-11-28 03:35:57,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661324819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:57,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:57,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:35:57,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438332970] [2024-11-28 03:35:57,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:57,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:35:57,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:35:57,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:35:57,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:57,705 INFO L87 Difference]: Start difference. First operand 1163 states and 1774 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:36:01,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:36:05,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:36:06,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:06,035 INFO L93 Difference]: Finished difference Result 1173 states and 1782 transitions. [2024-11-28 03:36:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:36:06,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2024-11-28 03:36:06,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:06,115 INFO L225 Difference]: With dead ends: 1173 [2024-11-28 03:36:06,116 INFO L226 Difference]: Without dead ends: 783 [2024-11-28 03:36:06,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:36:06,117 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 104 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:06,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 316 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2024-11-28 03:36:06,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2024-11-28 03:36:06,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 393. [2024-11-28 03:36:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 308 states have (on average 1.4025974025974026) internal successors, (432), 308 states have internal predecessors, (432), 76 states have call successors, (76), 8 states have call predecessors, (76), 8 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-28 03:36:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 584 transitions. [2024-11-28 03:36:06,202 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 584 transitions. Word has length 135 [2024-11-28 03:36:06,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:06,202 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 584 transitions. [2024-11-28 03:36:06,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 03:36:06,203 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 584 transitions. [2024-11-28 03:36:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:36:06,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:06,204 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:36:06,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-28 03:36:06,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:36:06,405 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:36:06,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:06,406 INFO L85 PathProgramCache]: Analyzing trace with hash 199973204, now seen corresponding path program 1 times [2024-11-28 03:36:06,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:06,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757749212] [2024-11-28 03:36:06,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:06,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:36:06,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:36:06,409 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:36:06,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-28 03:36:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:07,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:36:07,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-28 03:36:07,938 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:36:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-28 03:36:09,122 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:36:09,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757749212] [2024-11-28 03:36:09,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757749212] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:36:09,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:36:09,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-28 03:36:09,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112469017] [2024-11-28 03:36:09,122 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:36:09,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:36:09,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:36:09,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:36:09,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:36:09,124 INFO L87 Difference]: Start difference. First operand 393 states and 584 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 03:36:10,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:10,445 INFO L93 Difference]: Finished difference Result 823 states and 1201 transitions. [2024-11-28 03:36:10,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:36:10,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 136 [2024-11-28 03:36:10,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:10,448 INFO L225 Difference]: With dead ends: 823 [2024-11-28 03:36:10,448 INFO L226 Difference]: Without dead ends: 433 [2024-11-28 03:36:10,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:36:10,450 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 62 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:10,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 210 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:36:10,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-28 03:36:10,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 409. [2024-11-28 03:36:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 320 states have (on average 1.375) internal successors, (440), 320 states have internal predecessors, (440), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-28 03:36:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 592 transitions. [2024-11-28 03:36:10,542 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 592 transitions. Word has length 136 [2024-11-28 03:36:10,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:10,542 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 592 transitions. [2024-11-28 03:36:10,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 03:36:10,543 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 592 transitions. [2024-11-28 03:36:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:36:10,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:10,544 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:36:10,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-28 03:36:10,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:36:10,745 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:36:10,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:10,746 INFO L85 PathProgramCache]: Analyzing trace with hash -193053806, now seen corresponding path program 1 times [2024-11-28 03:36:10,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:36:10,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202287981] [2024-11-28 03:36:10,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:10,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:36:10,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:36:10,748 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:36:10,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_861540c5-81f2-4cde-9fac-5d14a1a1ffb3/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-28 03:36:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:11,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:36:11,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:30,534 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:36:39,465 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:36:47,686 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:36:55,926 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:37:02,468 WARN L286 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:37:10,448 WARN L286 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:37:18,256 WARN L286 SmtUtils]: Spent 7.81s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:37:25,894 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:37:32,783 WARN L286 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:37:39,967 WARN L286 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:37:48,170 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:37:56,414 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:38:03,816 WARN L286 SmtUtils]: Spent 7.40s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:38:15,455 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:38:23,200 WARN L286 SmtUtils]: Spent 7.75s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:38:27,276 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_17~0 ((_ zero_extend 8) c_~last_1_var_1_18~0)) (= (_ bv0 32) (bvadd (_ bv64 32) c_~var_1_6~0)) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-28 03:38:31,338 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_17~0 ((_ zero_extend 8) c_~last_1_var_1_18~0)) (= (_ bv0 32) (bvadd (_ bv64 32) c_~var_1_6~0)) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-28 03:38:39,571 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:38:47,805 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:38:56,066 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:39:08,402 WARN L286 SmtUtils]: Spent 7.79s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:39:15,332 WARN L286 SmtUtils]: Spent 6.93s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:39:23,579 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:39:31,793 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:39:39,582 WARN L286 SmtUtils]: Spent 7.79s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:39:47,913 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:39:56,249 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:40:02,969 WARN L286 SmtUtils]: Spent 6.72s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:40:10,524 WARN L286 SmtUtils]: Spent 7.55s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:40:18,802 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:40:27,084 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:40:35,357 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:40:42,334 WARN L286 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:40:50,559 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:41:01,919 WARN L286 SmtUtils]: Spent 6.76s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:41:10,189 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:41:18,489 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:41:26,052 WARN L286 SmtUtils]: Spent 7.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:41:32,572 WARN L286 SmtUtils]: Spent 6.52s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:41:40,821 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:41:49,143 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:41:57,418 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:42:09,831 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:42:18,104 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:42:26,347 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:42:34,599 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:42:42,856 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:42:51,090 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:42:57,703 WARN L286 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:43:05,559 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:43:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 250 proven. 42 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 03:43:06,635 INFO L312 TraceCheckSpWp]: Computing backward predicates...