./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.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_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5098132933ca883ef364a77e95c51d3cf42bb9b570e45543a498fd4c246df361 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:42:30,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:42:30,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:42:30,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:42:30,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:42:30,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:42:30,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:42:30,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:42:30,866 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:42:30,866 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:42:30,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:42:30,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:42:30,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:42:30,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:42:30,867 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:42:30,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:42:30,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:42:30,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:42:30,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:42:30,868 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:42:30,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:42:30,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:42:30,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:42:30,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:42:30,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:42:30,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:42:30,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:42:30,870 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_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5098132933ca883ef364a77e95c51d3cf42bb9b570e45543a498fd4c246df361 [2024-12-02 14:42:31,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:42:31,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:42:31,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:42:31,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:42:31,113 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:42:31,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i [2024-12-02 14:42:33,768 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data/45345a363/f1aec1a821af4a54b3ef9c56dfa7a85e/FLAG33d080b8e [2024-12-02 14:42:33,950 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:42:33,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i [2024-12-02 14:42:33,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data/45345a363/f1aec1a821af4a54b3ef9c56dfa7a85e/FLAG33d080b8e [2024-12-02 14:42:33,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data/45345a363/f1aec1a821af4a54b3ef9c56dfa7a85e [2024-12-02 14:42:33,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:42:33,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:42:33,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:42:33,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:42:33,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:42:33,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:42:33" (1/1) ... [2024-12-02 14:42:33,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f864ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:33, skipping insertion in model container [2024-12-02 14:42:33,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:42:33" (1/1) ... [2024-12-02 14:42:33,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:42:34,109 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_ca25d858-c5d0-40bc-86f1-e028c0eed04c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i[919,932] [2024-12-02 14:42:34,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:42:34,183 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:42:34,192 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_ca25d858-c5d0-40bc-86f1-e028c0eed04c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i[919,932] [2024-12-02 14:42:34,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:42:34,237 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:42:34,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34 WrapperNode [2024-12-02 14:42:34,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:42:34,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:42:34,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:42:34,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:42:34,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,292 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 220 [2024-12-02 14:42:34,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:42:34,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:42:34,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:42:34,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:42:34,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,323 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]. [2024-12-02 14:42:34,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:42:34,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:42:34,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:42:34,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:42:34,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (1/1) ... [2024-12-02 14:42:34,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:42:34,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:42:34,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:42:34,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:42:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:42:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:42:34,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:42:34,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:42:34,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:42:34,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:42:34,468 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:42:34,470 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:42:34,857 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 14:42:34,857 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:42:34,867 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:42:34,867 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:42:34,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:42:34 BoogieIcfgContainer [2024-12-02 14:42:34,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:42:34,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:42:34,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:42:34,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:42:34,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:42:33" (1/3) ... [2024-12-02 14:42:34,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46141f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:42:34, skipping insertion in model container [2024-12-02 14:42:34,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:42:34" (2/3) ... [2024-12-02 14:42:34,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46141f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:42:34, skipping insertion in model container [2024-12-02 14:42:34,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:42:34" (3/3) ... [2024-12-02 14:42:34,877 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i [2024-12-02 14:42:34,892 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:42:34,893 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i that has 2 procedures, 92 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:42:34,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:42:34,956 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;@536050f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:42:34,957 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:42:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 67 states have internal predecessors, (97), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 14:42:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 14:42:34,971 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:42:34,971 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:42:34,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:42:34,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:42:34,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1333937396, now seen corresponding path program 1 times [2024-12-02 14:42:34,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:42:34,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624545728] [2024-12-02 14:42:34,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:42:34,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:42:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:42:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 14:42:35,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:42:35,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624545728] [2024-12-02 14:42:35,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624545728] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:42:35,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583905539] [2024-12-02 14:42:35,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:42:35,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:42:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:42:35,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:42:35,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:42:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:42:35,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:42:35,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:42:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 14:42:35,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:42:35,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583905539] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:42:35,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:42:35,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:42:35,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786922923] [2024-12-02 14:42:35,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:42:35,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:42:35,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:42:35,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:42:35,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:42:35,442 INFO L87 Difference]: Start difference. First operand has 92 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 67 states have internal predecessors, (97), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 14:42:35,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:42:35,466 INFO L93 Difference]: Finished difference Result 177 states and 303 transitions. [2024-12-02 14:42:35,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:42:35,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 154 [2024-12-02 14:42:35,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:42:35,473 INFO L225 Difference]: With dead ends: 177 [2024-12-02 14:42:35,473 INFO L226 Difference]: Without dead ends: 88 [2024-12-02 14:42:35,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:42:35,479 INFO L435 NwaCegarLoop]: 135 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, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:42:35,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:42:35,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-12-02 14:42:35,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-12-02 14:42:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 63 states have internal predecessors, (89), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 14:42:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 135 transitions. [2024-12-02 14:42:35,513 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 135 transitions. Word has length 154 [2024-12-02 14:42:35,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:42:35,514 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 135 transitions. [2024-12-02 14:42:35,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 14:42:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2024-12-02 14:42:35,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 14:42:35,517 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:42:35,517 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:42:35,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:42:35,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:42:35,718 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:42:35,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:42:35,719 INFO L85 PathProgramCache]: Analyzing trace with hash 855457527, now seen corresponding path program 1 times [2024-12-02 14:42:35,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:42:35,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179783638] [2024-12-02 14:42:35,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:42:35,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:42:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:42:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 14:42:36,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:42:36,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179783638] [2024-12-02 14:42:36,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179783638] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:42:36,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:42:36,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:42:36,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981229120] [2024-12-02 14:42:36,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:42:36,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:42:36,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:42:36,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:42:36,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:42:36,201 INFO L87 Difference]: Start difference. First operand 88 states and 135 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:42:36,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:42:36,300 INFO L93 Difference]: Finished difference Result 221 states and 338 transitions. [2024-12-02 14:42:36,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:42:36,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 155 [2024-12-02 14:42:36,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:42:36,303 INFO L225 Difference]: With dead ends: 221 [2024-12-02 14:42:36,303 INFO L226 Difference]: Without dead ends: 136 [2024-12-02 14:42:36,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:42:36,305 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 57 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:42:36,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 391 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:42:36,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-12-02 14:42:36,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2024-12-02 14:42:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 105 states have (on average 1.4476190476190476) internal successors, (152), 106 states have internal predecessors, (152), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 14:42:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 202 transitions. [2024-12-02 14:42:36,325 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 202 transitions. Word has length 155 [2024-12-02 14:42:36,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:42:36,326 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 202 transitions. [2024-12-02 14:42:36,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:42:36,327 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 202 transitions. [2024-12-02 14:42:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 14:42:36,330 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:42:36,330 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:42:36,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:42:36,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:42:36,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:42:36,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1287781879, now seen corresponding path program 1 times [2024-12-02 14:42:36,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:42:36,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892292130] [2024-12-02 14:42:36,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:42:36,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:42:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:42:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 14:42:53,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:42:53,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892292130] [2024-12-02 14:42:53,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892292130] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:42:53,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:42:53,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:42:53,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045270482] [2024-12-02 14:42:53,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:42:53,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:42:53,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:42:53,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:42:53,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:42:53,902 INFO L87 Difference]: Start difference. First operand 133 states and 202 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:42:59,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:42:59,489 INFO L93 Difference]: Finished difference Result 520 states and 786 transitions. [2024-12-02 14:42:59,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:42:59,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 155 [2024-12-02 14:42:59,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:42:59,494 INFO L225 Difference]: With dead ends: 520 [2024-12-02 14:42:59,494 INFO L226 Difference]: Without dead ends: 390 [2024-12-02 14:42:59,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:42:59,495 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 355 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:42:59,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 413 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 14:42:59,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-12-02 14:42:59,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 290. [2024-12-02 14:42:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 249 states have (on average 1.497991967871486) internal successors, (373), 252 states have internal predecessors, (373), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-12-02 14:42:59,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 443 transitions. [2024-12-02 14:42:59,523 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 443 transitions. Word has length 155 [2024-12-02 14:42:59,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:42:59,524 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 443 transitions. [2024-12-02 14:42:59,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:42:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 443 transitions. [2024-12-02 14:42:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 14:42:59,527 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:42:59,527 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:42:59,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:42:59,527 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:42:59,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:42:59,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1506636597, now seen corresponding path program 1 times [2024-12-02 14:42:59,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:42:59,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294144613] [2024-12-02 14:42:59,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:42:59,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:42:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:42:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-02 14:42:59,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:42:59,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294144613] [2024-12-02 14:42:59,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294144613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:42:59,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633471687] [2024-12-02 14:42:59,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:42:59,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:42:59,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:42:59,821 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:42:59,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:42:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:42:59,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 14:42:59,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:43:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 602 proven. 66 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-12-02 14:43:00,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:43:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 60 proven. 69 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-12-02 14:43:00,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633471687] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:43:00,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:43:00,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 17 [2024-12-02 14:43:00,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302675901] [2024-12-02 14:43:00,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:43:00,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:43:00,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:43:00,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:43:00,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:43:00,665 INFO L87 Difference]: Start difference. First operand 290 states and 443 transitions. Second operand has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 17 states have internal predecessors, (116), 7 states have call successors, (64), 3 states have call predecessors, (64), 7 states have return successors, (65), 7 states have call predecessors, (65), 7 states have call successors, (65) [2024-12-02 14:43:01,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:43:01,603 INFO L93 Difference]: Finished difference Result 749 states and 1119 transitions. [2024-12-02 14:43:01,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-12-02 14:43:01,604 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 17 states have internal predecessors, (116), 7 states have call successors, (64), 3 states have call predecessors, (64), 7 states have return successors, (65), 7 states have call predecessors, (65), 7 states have call successors, (65) Word has length 155 [2024-12-02 14:43:01,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:43:01,607 INFO L225 Difference]: With dead ends: 749 [2024-12-02 14:43:01,607 INFO L226 Difference]: Without dead ends: 462 [2024-12-02 14:43:01,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=374, Invalid=886, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 14:43:01,609 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 338 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:43:01,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 443 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:43:01,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-12-02 14:43:01,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 302. [2024-12-02 14:43:01,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 258 states have (on average 1.4573643410852712) internal successors, (376), 261 states have internal predecessors, (376), 35 states have call successors, (35), 8 states have call predecessors, (35), 8 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-12-02 14:43:01,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 446 transitions. [2024-12-02 14:43:01,636 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 446 transitions. Word has length 155 [2024-12-02 14:43:01,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:43:01,637 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 446 transitions. [2024-12-02 14:43:01,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 17 states have internal predecessors, (116), 7 states have call successors, (64), 3 states have call predecessors, (64), 7 states have return successors, (65), 7 states have call predecessors, (65), 7 states have call successors, (65) [2024-12-02 14:43:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 446 transitions. [2024-12-02 14:43:01,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 14:43:01,639 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:43:01,639 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:43:01,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:43:01,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:43:01,840 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:43:01,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:43:01,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1899663607, now seen corresponding path program 1 times [2024-12-02 14:43:01,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:43:01,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950155832] [2024-12-02 14:43:01,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:43:01,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:43:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:43:01,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [266765160] [2024-12-02 14:43:01,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:43:01,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:43:01,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:43:01,918 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:43:01,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:43:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:43:02,251 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:43:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:43:02,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:43:02,412 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:43:02,413 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:43:02,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:43:02,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:43:02,618 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 14:43:02,700 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:43:02,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:43:02 BoogieIcfgContainer [2024-12-02 14:43:02,703 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:43:02,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:43:02,704 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:43:02,704 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:43:02,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:42:34" (3/4) ... [2024-12-02 14:43:02,707 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:43:02,707 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:43:02,708 INFO L158 Benchmark]: Toolchain (without parser) took 28732.42ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 91.9MB in the beginning and 214.9MB in the end (delta: -123.0MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2024-12-02 14:43:02,708 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:43:02,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.35ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:43:02,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.21ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 70.6MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:43:02,709 INFO L158 Benchmark]: Boogie Preprocessor took 59.54ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 64.1MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:43:02,709 INFO L158 Benchmark]: RCFGBuilder took 514.46ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 85.4MB in the end (delta: -21.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-12-02 14:43:02,710 INFO L158 Benchmark]: TraceAbstraction took 27833.28ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 84.8MB in the beginning and 214.9MB in the end (delta: -130.1MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2024-12-02 14:43:02,710 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 327.2MB. Free memory was 214.9MB in the beginning and 214.9MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:43:02,711 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.35ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.21ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 70.6MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.54ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 64.1MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 514.46ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 85.4MB in the end (delta: -21.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 27833.28ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 84.8MB in the beginning and 214.9MB in the end (delta: -130.1MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 327.2MB. Free memory was 214.9MB in the beginning and 214.9MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 149, overapproximation of someBinaryFLOATComparisonOperation at line 150, overapproximation of someBinaryDOUBLEComparisonOperation at line 171, overapproximation of someBinaryDOUBLEComparisonOperation at line 171, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 158. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_11 = 63.75; [L32] signed long int var_1_12 = 100000; [L33] unsigned short int var_1_13 = 8; [L34] signed long int var_1_14 = 2; [L35] signed long int var_1_15 = 32; [L36] double var_1_17 = 127.5; [L37] double var_1_18 = 32.75; [L38] signed char var_1_19 = 0; [L39] unsigned long int var_1_20 = 128; [L40] unsigned long int var_1_21 = 32; [L41] unsigned char var_1_23 = 0; [L42] unsigned char var_1_25 = 0; [L43] unsigned char var_1_26 = 1; [L44] unsigned char var_1_27 = 16; [L45] signed long int var_1_29 = 5; [L46] unsigned char var_1_31 = 128; [L47] signed char var_1_33 = 50; [L48] unsigned short int last_1_var_1_13 = 8; [L49] double last_1_var_1_17 = 127.5; VAL [isInitial=0, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L175] isInitial = 1 [L176] FCALL initially() [L178] CALL updateLastVariables() [L167] last_1_var_1_13 = var_1_13 [L168] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L178] RET updateLastVariables() [L179] CALL updateVariables() [L130] var_1_2 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_31=128, var_1_33=50, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_31=128, var_1_33=50, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L131] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_31=128, var_1_33=50, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L132] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L132] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L133] var_1_3 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L134] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L135] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L135] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L136] var_1_4 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L137] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L138] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L138] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L139] var_1_5 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L140] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L141] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L141] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L142] var_1_7 = __VERIFIER_nondet_ushort() [L143] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=47248, var_1_9=50] [L143] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=47248, var_1_9=50] [L144] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=47248, var_1_9=50] [L144] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=47248, var_1_9=50] [L145] var_1_8 = __VERIFIER_nondet_ushort() [L146] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L146] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L147] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L147] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L148] var_1_11 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L149] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L150] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L150] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L151] var_1_14 = __VERIFIER_nondet_long() [L152] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L152] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L153] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L153] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L154] var_1_15 = __VERIFIER_nondet_long() [L155] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L155] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L156] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L156] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L157] var_1_18 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L158] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L159] var_1_25 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L160] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L161] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L161] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L162] var_1_26 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L163] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L164] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L164] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L179] RET updateVariables() [L180] CALL step() [L53] COND FALSE !(-100000 >= last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L56] COND FALSE !((last_1_var_1_17 / var_1_11) == 999999.6f) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L60] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, stepLocal_0=1, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L61] COND TRUE var_1_2 && stepLocal_0 [L62] var_1_1 = (var_1_4 - var_1_5) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=128, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=10, var_1_7=32768, var_1_8=32768, var_1_9=50] [L66] COND FALSE !(var_1_1 <= (var_1_5 * var_1_4)) [L73] var_1_6 = var_1_5 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=255/2, var_1_19=0, var_1_1=128, var_1_20=128, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L75] var_1_17 = var_1_18 [L76] var_1_19 = 5 [L77] var_1_20 = var_1_15 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L78] COND FALSE !(var_1_1 < var_1_20) [L85] var_1_12 = var_1_6 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L87] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L87] EXPR var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L87] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) [L94] var_1_13 = var_1_1 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=32, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L96] var_1_21 = ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L97] COND FALSE !(var_1_15 > var_1_9) [L102] var_1_23 = (! var_1_26) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=16, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L104] var_1_27 = var_1_5 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=5, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L105] COND TRUE var_1_15 != (var_1_4 + var_1_4) [L106] var_1_29 = ((((var_1_4) > (((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) < (var_1_6)) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (var_1_6))))) ? (var_1_4) : (((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) < (var_1_6)) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (var_1_6)))))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=128, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L110] COND FALSE !((-25 + (var_1_7 + var_1_1)) <= var_1_5) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=128, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L117] COND TRUE var_1_3 || (var_1_25 && var_1_2) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=128, var_1_2=1, var_1_31=128, var_1_33=50, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L118] COND TRUE var_1_6 >= var_1_14 [L119] var_1_33 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=128, var_1_2=1, var_1_31=128, var_1_33=0, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L180] RET step() [L181] CALL, EXPR property() [L171] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=128, var_1_2=1, var_1_31=128, var_1_33=0, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L171-L172] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L181] RET, EXPR property() [L181] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=128, var_1_2=1, var_1_31=128, var_1_33=0, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=128, var_1_14=0, var_1_15=2, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=128, var_1_20=2, var_1_21=128, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=128, var_1_2=1, var_1_31=128, var_1_33=0, var_1_3=1, var_1_4=128, var_1_5=0, var_1_6=0, var_1_7=32768, var_1_8=32768, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 5, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 755 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 750 mSDsluCounter, 1382 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 870 mSDsCounter, 182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 899 IncrementalHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 182 mSolverCounterUnsat, 512 mSDtfsCounter, 899 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 511 GetRequests, 468 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=4, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 263 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 1238 NumberOfCodeBlocks, 1238 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1076 ConstructedInterpolants, 0 QuantifiedInterpolants, 6549 SizeOfPredicates, 3 NumberOfNonLiveVariables, 740 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 6851/7084 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 14:43:02,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5098132933ca883ef364a77e95c51d3cf42bb9b570e45543a498fd4c246df361 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:43:04,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:43:04,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:43:04,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:43:04,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:43:04,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:43:04,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:43:04,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:43:04,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:43:04,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:43:04,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:43:04,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:43:04,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:43:04,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:43:04,707 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:43:04,708 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:43:04,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:43:04,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:43:04,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:43:04,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:43:04,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:43:04,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:43:04,710 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_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5098132933ca883ef364a77e95c51d3cf42bb9b570e45543a498fd4c246df361 [2024-12-02 14:43:04,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:43:04,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:43:04,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:43:04,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:43:04,970 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:43:04,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i [2024-12-02 14:43:07,650 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data/5df4d608e/022e26bfbaa24b21818ab1e9f5e682db/FLAG274e31e79 [2024-12-02 14:43:07,825 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:43:07,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i [2024-12-02 14:43:07,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data/5df4d608e/022e26bfbaa24b21818ab1e9f5e682db/FLAG274e31e79 [2024-12-02 14:43:08,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/data/5df4d608e/022e26bfbaa24b21818ab1e9f5e682db [2024-12-02 14:43:08,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:43:08,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:43:08,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:43:08,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:43:08,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:43:08,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d416576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08, skipping insertion in model container [2024-12-02 14:43:08,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:43:08,341 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_ca25d858-c5d0-40bc-86f1-e028c0eed04c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i[919,932] [2024-12-02 14:43:08,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:43:08,407 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:43:08,414 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_ca25d858-c5d0-40bc-86f1-e028c0eed04c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i[919,932] [2024-12-02 14:43:08,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:43:08,457 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:43:08,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08 WrapperNode [2024-12-02 14:43:08,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:43:08,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:43:08,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:43:08,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:43:08,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,499 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2024-12-02 14:43:08,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:43:08,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:43:08,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:43:08,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:43:08,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,513 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,524 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]. [2024-12-02 14:43:08,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,534 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:43:08,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:43:08,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:43:08,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:43:08,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (1/1) ... [2024-12-02 14:43:08,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:43:08,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:43:08,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:43:08,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:43:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:43:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:43:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:43:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:43:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:43:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:43:08,672 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:43:08,674 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:43:21,435 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 14:43:21,435 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:43:21,446 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:43:21,448 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:43:21,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:43:21 BoogieIcfgContainer [2024-12-02 14:43:21,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:43:21,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:43:21,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:43:21,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:43:21,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:43:08" (1/3) ... [2024-12-02 14:43:21,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cc26c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:43:21, skipping insertion in model container [2024-12-02 14:43:21,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:43:08" (2/3) ... [2024-12-02 14:43:21,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cc26c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:43:21, skipping insertion in model container [2024-12-02 14:43:21,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:43:21" (3/3) ... [2024-12-02 14:43:21,459 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i [2024-12-02 14:43:21,469 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:43:21,470 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-46.i that has 2 procedures, 75 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:43:21,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:43:21,526 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;@5e4aad30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:43:21,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:43:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 14:43:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 14:43:21,539 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:43:21,540 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:43:21,540 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:43:21,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:43:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1770855076, now seen corresponding path program 1 times [2024-12-02 14:43:21,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:43:21,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941910493] [2024-12-02 14:43:21,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:43:21,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:43:21,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:43:21,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:43:21,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 14:43:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:43:22,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:43:22,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:43:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-12-02 14:43:22,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:43:22,423 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:43:22,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941910493] [2024-12-02 14:43:22,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941910493] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:43:22,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:43:22,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:43:22,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858513253] [2024-12-02 14:43:22,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:43:22,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:43:22,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:43:22,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:43:22,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:43:22,451 INFO L87 Difference]: Start difference. First operand has 75 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 14:43:22,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:43:22,475 INFO L93 Difference]: Finished difference Result 142 states and 249 transitions. [2024-12-02 14:43:22,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:43:22,477 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2024-12-02 14:43:22,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:43:22,483 INFO L225 Difference]: With dead ends: 142 [2024-12-02 14:43:22,483 INFO L226 Difference]: Without dead ends: 70 [2024-12-02 14:43:22,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:43:22,489 INFO L435 NwaCegarLoop]: 106 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, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:43:22,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:43:22,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-12-02 14:43:22,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-12-02 14:43:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 14:43:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 106 transitions. [2024-12-02 14:43:22,526 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 106 transitions. Word has length 150 [2024-12-02 14:43:22,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:43:22,527 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 106 transitions. [2024-12-02 14:43:22,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 14:43:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2024-12-02 14:43:22,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 14:43:22,530 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:43:22,531 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:43:22,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 14:43:22,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:43:22,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:43:22,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:43:22,732 INFO L85 PathProgramCache]: Analyzing trace with hash -761104433, now seen corresponding path program 1 times [2024-12-02 14:43:22,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:43:22,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777855201] [2024-12-02 14:43:22,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:43:22,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:43:22,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:43:22,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:43:22,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 14:43:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:43:23,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:43:23,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:43:25,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 256 proven. 57 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-12-02 14:43:25,506 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:43:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 14:43:26,445 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:43:26,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777855201] [2024-12-02 14:43:26,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777855201] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:43:26,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:43:26,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 14:43:26,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863816742] [2024-12-02 14:43:26,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:43:26,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:43:26,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:43:26,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:43:26,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:43:26,449 INFO L87 Difference]: Start difference. First operand 70 states and 106 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:43:30,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:43:34,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:43:38,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:43:38,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:43:38,846 INFO L93 Difference]: Finished difference Result 167 states and 251 transitions. [2024-12-02 14:43:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:43:38,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2024-12-02 14:43:38,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:43:38,848 INFO L225 Difference]: With dead ends: 167 [2024-12-02 14:43:38,848 INFO L226 Difference]: Without dead ends: 100 [2024-12-02 14:43:38,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:43:38,849 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 31 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:43:38,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 304 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 3 Unknown, 0 Unchecked, 12.4s Time] [2024-12-02 14:43:38,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-12-02 14:43:38,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2024-12-02 14:43:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 70 states have internal predecessors, (95), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 14:43:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 145 transitions. [2024-12-02 14:43:38,860 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 145 transitions. Word has length 151 [2024-12-02 14:43:38,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:43:38,860 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 145 transitions. [2024-12-02 14:43:38,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:43:38,861 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 145 transitions. [2024-12-02 14:43:38,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 14:43:38,862 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:43:38,862 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:43:38,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 14:43:39,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:43:39,063 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:43:39,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:43:39,063 INFO L85 PathProgramCache]: Analyzing trace with hash -997525809, now seen corresponding path program 1 times [2024-12-02 14:43:39,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:43:39,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289075334] [2024-12-02 14:43:39,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:43:39,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:43:39,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:43:39,066 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:43:39,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 14:43:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:43:52,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:43:52,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:44:06,547 WARN L286 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:44:10,611 WARN L851 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2024-12-02 14:44:14,652 WARN L873 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2024-12-02 14:44:26,569 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:44:38,758 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:44:50,941 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:45:02,559 WARN L286 SmtUtils]: Spent 7.55s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:45:14,759 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:45:26,949 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:45:39,147 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:45:51,353 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:46:03,157 WARN L286 SmtUtils]: Spent 7.73s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:46:15,364 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:46:27,588 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:46:39,817 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:46:52,052 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:47:01,968 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:47:14,232 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:47:25,289 WARN L286 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:47:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 14:47:25,290 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:47:25,290 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:47:25,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289075334] [2024-12-02 14:47:25,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1289075334] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:25,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:47:25,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:47:25,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99409281] [2024-12-02 14:47:25,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:25,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:47:25,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:47:25,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:47:25,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2024-12-02 14:47:25,292 INFO L87 Difference]: Start difference. First operand 97 states and 145 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:47:29,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:47:33,873 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-12-02 14:47:37,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:47:41,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:47:45,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:47:49,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:47:52,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:47:56,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:48:00,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:48:04,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:48:08,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:48:08,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:48:08,715 INFO L93 Difference]: Finished difference Result 203 states and 305 transitions. [2024-12-02 14:48:08,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:48:08,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2024-12-02 14:48:08,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:48:08,806 INFO L225 Difference]: With dead ends: 203 [2024-12-02 14:48:08,806 INFO L226 Difference]: Without dead ends: 201 [2024-12-02 14:48:08,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2024-12-02 14:48:08,807 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 47 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 289 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:48:08,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 356 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 15 Invalid, 8 Unknown, 289 Unchecked, 39.2s Time] [2024-12-02 14:48:08,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-12-02 14:48:08,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 156. [2024-12-02 14:48:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 105 states have internal predecessors, (138), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 14:48:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 234 transitions. [2024-12-02 14:48:08,838 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 234 transitions. Word has length 151 [2024-12-02 14:48:08,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:48:08,838 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 234 transitions. [2024-12-02 14:48:08,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:48:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 234 transitions. [2024-12-02 14:48:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 14:48:08,841 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:48:08,841 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:48:08,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-12-02 14:48:09,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:48:09,042 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:48:09,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:48:09,042 INFO L85 PathProgramCache]: Analyzing trace with hash -995678767, now seen corresponding path program 1 times [2024-12-02 14:48:09,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:48:09,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761981536] [2024-12-02 14:48:09,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:48:09,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:48:09,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:48:09,045 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:48:09,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 14:48:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:48:22,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:48:22,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:48:37,941 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:48:42,020 WARN L851 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2024-12-02 14:48:46,089 WARN L873 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2024-12-02 14:48:58,349 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:49:10,594 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:49:22,844 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:49:34,108 WARN L286 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:49:46,372 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:49:58,654 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:50:10,927 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:50:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 14:50:14,431 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:50:14,431 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:50:14,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761981536] [2024-12-02 14:50:14,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761981536] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:50:14,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:50:14,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:50:14,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745220977] [2024-12-02 14:50:14,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:50:14,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:50:14,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:50:14,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:50:14,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2024-12-02 14:50:14,433 INFO L87 Difference]: Start difference. First operand 156 states and 234 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:50:18,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:50:23,090 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-12-02 14:50:27,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:50:31,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:50:35,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:50:37,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:50:41,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:50:45,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:50:49,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:50:53,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:50:53,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:50:53,864 INFO L93 Difference]: Finished difference Result 295 states and 445 transitions. [2024-12-02 14:50:53,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:50:53,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2024-12-02 14:50:53,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:50:53,966 INFO L225 Difference]: With dead ends: 295 [2024-12-02 14:50:53,966 INFO L226 Difference]: Without dead ends: 193 [2024-12-02 14:50:53,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2024-12-02 14:50:53,967 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 68 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 47 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 246 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:50:53,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 357 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 15 Invalid, 8 Unknown, 246 Unchecked, 35.1s Time] [2024-12-02 14:50:53,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-12-02 14:50:53,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 148. [2024-12-02 14:50:53,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 96 states have (on average 1.3125) internal successors, (126), 97 states have internal predecessors, (126), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 14:50:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 222 transitions. [2024-12-02 14:50:53,991 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 222 transitions. Word has length 151 [2024-12-02 14:50:53,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:53,991 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 222 transitions. [2024-12-02 14:50:53,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:50:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 222 transitions. [2024-12-02 14:50:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 14:50:53,994 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:53,994 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:50:54,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-12-02 14:50:54,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:50:54,194 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:50:54,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1782172787, now seen corresponding path program 1 times [2024-12-02 14:50:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:50:54,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676817225] [2024-12-02 14:50:54,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:54,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:50:54,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:50:54,197 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:50:54,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 14:51:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:57,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:51:57,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:52:13,352 WARN L286 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:52:17,436 WARN L851 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2024-12-02 14:52:21,503 WARN L873 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2024-12-02 14:52:33,773 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:52:44,888 WARN L286 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:52:56,831 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:53:09,119 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:53:21,378 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:53:33,715 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:53:45,744 WARN L286 SmtUtils]: Spent 7.95s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:53:58,080 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:10,385 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:22,684 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:34,994 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:47,271 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:59,569 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:55:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 14:55:04,935 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:55:04,936 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:55:04,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676817225] [2024-12-02 14:55:04,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676817225] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:55:04,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:55:04,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:55:04,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255160025] [2024-12-02 14:55:04,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:04,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:55:04,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:55:04,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:55:04,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2024-12-02 14:55:04,937 INFO L87 Difference]: Start difference. First operand 148 states and 222 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:55:09,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:13,522 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-12-02 14:55:17,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:22,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:26,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:27,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:32,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:36,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:40,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:44,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:44,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:55:44,459 INFO L93 Difference]: Finished difference Result 299 states and 452 transitions. [2024-12-02 14:55:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:55:44,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2024-12-02 14:55:44,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:55:44,569 INFO L225 Difference]: With dead ends: 299 [2024-12-02 14:55:44,569 INFO L226 Difference]: Without dead ends: 204 [2024-12-02 14:55:44,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2024-12-02 14:55:44,571 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 68 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 47 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 280 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:55:44,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 349 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 15 Invalid, 8 Unknown, 280 Unchecked, 35.2s Time] [2024-12-02 14:55:44,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-12-02 14:55:44,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 159. [2024-12-02 14:55:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 108 states have internal predecessors, (143), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 14:55:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 239 transitions. [2024-12-02 14:55:44,598 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 239 transitions. Word has length 151 [2024-12-02 14:55:44,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:44,599 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 239 transitions. [2024-12-02 14:55:44,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 14:55:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 239 transitions. [2024-12-02 14:55:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 14:55:44,601 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:44,601 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:55:44,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-12-02 14:55:44,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:55:44,802 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:55:44,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:44,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1780325745, now seen corresponding path program 1 times [2024-12-02 14:55:44,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:55:44,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97679869] [2024-12-02 14:55:44,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:44,803 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:55:44,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:55:44,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:55:44,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca25d858-c5d0-40bc-86f1-e028c0eed04c/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 14:57:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:57:08,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:57:08,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:57:24,160 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:57:28,259 WARN L851 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2024-12-02 14:57:32,338 WARN L873 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true