./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.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_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ba7c929f0e6efd0a397d94adaa69f0d7bd63f2d787023196b790a71b229b8df --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:34:32,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:34:32,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:34:32,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:34:32,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:34:32,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:34:32,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:34:32,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:34:32,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:34:32,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:34:32,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:34:32,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:34:32,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:34:32,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:34:32,894 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:34:32,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:34:32,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:34:32,895 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:34:32,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:34:32,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:34:32,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:34:32,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:34:32,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:34:32,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:34:32,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:34:32,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:34:32,897 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:34:32,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:34:32,897 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:34:32,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:34:32,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:34:32,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:34:32,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:32,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:34:32,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:34:32,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:34:32,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:34:32,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:32,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:34:32,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:34:32,900 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:34:32,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:34:32,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:34:32,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:34:32,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:34:32,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:34:32,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:34:32,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:34:32,901 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_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ba7c929f0e6efd0a397d94adaa69f0d7bd63f2d787023196b790a71b229b8df [2024-11-28 02:34:33,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:34:33,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:34:33,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:34:33,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:34:33,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:34:33,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i [2024-11-28 02:34:37,221 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data/36f23dcce/bd49ef11390e44fbae5bdc6df3fe52e6/FLAGd752694b5 [2024-11-28 02:34:37,630 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:34:37,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i [2024-11-28 02:34:37,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data/36f23dcce/bd49ef11390e44fbae5bdc6df3fe52e6/FLAGd752694b5 [2024-11-28 02:34:37,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data/36f23dcce/bd49ef11390e44fbae5bdc6df3fe52e6 [2024-11-28 02:34:37,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:34:37,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:34:37,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:34:37,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:34:37,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:34:37,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:37" (1/1) ... [2024-11-28 02:34:37,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b89ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:37, skipping insertion in model container [2024-11-28 02:34:37,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:37" (1/1) ... [2024-11-28 02:34:37,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:34:37,941 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_28dedeb6-8301-4557-8d6b-767375fde059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i[916,929] [2024-11-28 02:34:38,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:34:38,082 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:34:38,097 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_28dedeb6-8301-4557-8d6b-767375fde059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i[916,929] [2024-11-28 02:34:38,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:34:38,173 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:34:38,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38 WrapperNode [2024-11-28 02:34:38,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:34:38,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:34:38,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:34:38,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:34:38,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,267 INFO L138 Inliner]: procedures = 30, calls = 163, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2024-11-28 02:34:38,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:34:38,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:34:38,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:34:38,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:34:38,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,300 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,316 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 02:34:38,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:34:38,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:34:38,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:34:38,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:34:38,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (1/1) ... [2024-11-28 02:34:38,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:38,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:34:38,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:34:38,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:34:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:34:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-28 02:34:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-28 02:34:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:34:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-28 02:34:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-28 02:34:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:34:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:34:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:34:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:34:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:34:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:34:38,672 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:34:38,674 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:34:39,647 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-28 02:34:39,647 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:34:39,664 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:34:39,664 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:34:39,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:39 BoogieIcfgContainer [2024-11-28 02:34:39,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:34:39,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:34:39,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:34:39,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:34:39,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:34:37" (1/3) ... [2024-11-28 02:34:39,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4800c55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:39, skipping insertion in model container [2024-11-28 02:34:39,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:38" (2/3) ... [2024-11-28 02:34:39,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4800c55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:34:39, skipping insertion in model container [2024-11-28 02:34:39,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:39" (3/3) ... [2024-11-28 02:34:39,682 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-98.i [2024-11-28 02:34:39,707 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:34:39,709 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-98.i that has 2 procedures, 123 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:34:39,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:34:39,829 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;@620b411c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:34:39,829 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:34:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 104 states have internal predecessors, (147), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:34:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:34:39,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:39,858 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:34:39,859 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:39,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:39,869 INFO L85 PathProgramCache]: Analyzing trace with hash -137568608, now seen corresponding path program 1 times [2024-11-28 02:34:39,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:34:39,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734508666] [2024-11-28 02:34:39,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:39,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:34:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:34:40,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:34:40,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734508666] [2024-11-28 02:34:40,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734508666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:34:40,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726215790] [2024-11-28 02:34:40,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:40,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:34:40,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:34:40,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:34:40,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:34:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:41,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:34:41,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:34:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:34:41,086 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:34:41,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726215790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:34:41,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:34:41,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:34:41,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431488676] [2024-11-28 02:34:41,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:34:41,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:34:41,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:34:41,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:34:41,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:34:41,141 INFO L87 Difference]: Start difference. First operand has 123 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 104 states have internal predecessors, (147), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:34:41,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:34:41,203 INFO L93 Difference]: Finished difference Result 239 states and 373 transitions. [2024-11-28 02:34:41,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:34:41,208 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-28 02:34:41,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:34:41,218 INFO L225 Difference]: With dead ends: 239 [2024-11-28 02:34:41,219 INFO L226 Difference]: Without dead ends: 119 [2024-11-28 02:34:41,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:34:41,230 INFO L435 NwaCegarLoop]: 174 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, 174 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:34:41,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:34:41,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-28 02:34:41,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-28 02:34:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 100 states have (on average 1.4) internal successors, (140), 100 states have internal predecessors, (140), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:34:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2024-11-28 02:34:41,300 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 143 [2024-11-28 02:34:41,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:34:41,300 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2024-11-28 02:34:41,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:34:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2024-11-28 02:34:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:34:41,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:41,305 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:34:41,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:34:41,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:34:41,506 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:41,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:41,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1966018294, now seen corresponding path program 1 times [2024-11-28 02:34:41,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:34:41,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294101595] [2024-11-28 02:34:41,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:41,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:34:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:34:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:34:42,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:34:42,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294101595] [2024-11-28 02:34:42,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294101595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:34:42,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:34:42,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:34:42,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273116796] [2024-11-28 02:34:42,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:34:42,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:34:42,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:34:42,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:34:42,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:34:42,148 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:34:42,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:34:42,237 INFO L93 Difference]: Finished difference Result 237 states and 348 transitions. [2024-11-28 02:34:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:34:42,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-28 02:34:42,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:34:42,240 INFO L225 Difference]: With dead ends: 237 [2024-11-28 02:34:42,240 INFO L226 Difference]: Without dead ends: 121 [2024-11-28 02:34:42,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:34:42,246 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:34:42,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 505 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:34:42,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-28 02:34:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-28 02:34:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.392156862745098) internal successors, (142), 102 states have internal predecessors, (142), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:34:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 176 transitions. [2024-11-28 02:34:42,270 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 176 transitions. Word has length 143 [2024-11-28 02:34:42,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:34:42,272 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 176 transitions. [2024-11-28 02:34:42,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:34:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2024-11-28 02:34:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:34:42,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:34:42,280 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:34:42,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:34:42,280 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:34:42,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:34:42,281 INFO L85 PathProgramCache]: Analyzing trace with hash -908180216, now seen corresponding path program 1 times [2024-11-28 02:34:42,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:34:42,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156827531] [2024-11-28 02:34:42,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:42,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:34:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:34:42,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911683747] [2024-11-28 02:34:42,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:34:42,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:34:42,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:34:42,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:34:42,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:34:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:34:44,300 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:34:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:34:45,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:34:45,255 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:34:45,256 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:34:45,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:34:45,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:34:45,463 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 02:34:45,594 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:34:45,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:34:45 BoogieIcfgContainer [2024-11-28 02:34:45,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:34:45,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:34:45,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:34:45,604 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:34:45,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:34:39" (3/4) ... [2024-11-28 02:34:45,609 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:34:45,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:34:45,611 INFO L158 Benchmark]: Toolchain (without parser) took 7930.04ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 45.7MB in the end (delta: 46.6MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-11-28 02:34:45,611 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:34:45,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.76ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 75.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:34:45,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.92ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 71.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:34:45,612 INFO L158 Benchmark]: Boogie Preprocessor took 91.96ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 68.6MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:34:45,612 INFO L158 Benchmark]: RCFGBuilder took 1300.57ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 89.3MB in the end (delta: -20.7MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-11-28 02:34:45,613 INFO L158 Benchmark]: TraceAbstraction took 5935.75ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 45.7MB in the end (delta: 43.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-28 02:34:45,613 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 117.4MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:34:45,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.76ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 75.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.92ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 71.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 91.96ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 68.6MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1300.57ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 89.3MB in the end (delta: -20.7MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5935.75ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 45.7MB in the end (delta: 43.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 117.4MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 98. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 4.8, 63.5, 9999999.5, 0.6, 10, -1, 4.4, 7.25, 7.5, 2.3, 128, 0, 4078799264, 500, 25 }; [L57] unsigned long int last_1_WrapperStruct00_var_1_15 = 500; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_15=500] [L121] isInitial = 1 [L122] FCALL initially() [L124] CALL updateLastVariables() [L114] EXPR WrapperStruct00.var_1_15 [L114] last_1_WrapperStruct00_var_1_15 = WrapperStruct00.var_1_15 [L124] RET updateLastVariables() [L125] CALL updateVariables() [L84] WrapperStruct00.var_1_2 = __VERIFIER_nondet_double() [L85] EXPR WrapperStruct00.var_1_2 [L85] EXPR WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F [L85] EXPR WrapperStruct00.var_1_2 [L85] EXPR WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L85] EXPR (WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L85] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L85] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L86] WrapperStruct00.var_1_3 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F [L87] EXPR WrapperStruct00.var_1_3 [L87] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L87] EXPR (WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L87] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L87] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L88] WrapperStruct00.var_1_6 = __VERIFIER_nondet_short() [L89] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L90] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 32) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L91] WrapperStruct00.var_1_7 = __VERIFIER_nondet_long() [L92] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= -2147483648) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L93] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L94] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_7 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_7 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L95] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L96] EXPR WrapperStruct00.var_1_8 [L96] EXPR WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_8 [L96] EXPR WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L96] EXPR (WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L96] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L97] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L98] EXPR WrapperStruct00.var_1_9 [L98] EXPR WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_9 [L98] EXPR WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L98] EXPR (WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L98] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L99] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L100] EXPR WrapperStruct00.var_1_10 [L100] EXPR WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_10 [L100] EXPR WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L100] EXPR (WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L101] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_11 [L102] EXPR WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L102] EXPR (WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L103] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ulong() [L104] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L105] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L106] WrapperStruct00.var_1_14 = __VERIFIER_nondet_ulong() [L107] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L108] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L109] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ulong() [L110] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L111] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L125] RET updateVariables() [L126] CALL step() [L61] EXPR WrapperStruct00.var_1_2 [L61] EXPR WrapperStruct00.var_1_3 [L61] WrapperStruct00.var_1_1 = (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) [L62] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L62] COND FALSE !(((((-128) < (last_1_WrapperStruct00_var_1_15)) ? (-128) : (last_1_WrapperStruct00_var_1_15))) < WrapperStruct00.var_1_13) [L69] EXPR WrapperStruct00.var_1_16 [L69] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_16 [L71] EXPR WrapperStruct00.var_1_15 [L71] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L71] EXPR WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L71] EXPR WrapperStruct00.var_1_7 [L71] unsigned long int stepLocal_0 = (WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7; [L72] COND FALSE !(8 < stepLocal_0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L75] EXPR WrapperStruct00.var_1_2 [L75] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L75] COND FALSE !(WrapperStruct00.var_1_2 < WrapperStruct00.var_1_8) [L126] RET step() [L127] CALL, EXPR property() [L117] EXPR WrapperStruct00.var_1_1 [L117] EXPR WrapperStruct00.var_1_2 [L117] EXPR WrapperStruct00.var_1_3 [L117] EXPR (WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3))) && ((8 < ((WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_4 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + ((((WrapperStruct00.var_1_10) < (1.9)) ? (WrapperStruct00.var_1_10) : (1.9)))) + (99.125 + WrapperStruct00.var_1_11)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L117] EXPR ((WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3))) && ((8 < ((WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_4 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + ((((WrapperStruct00.var_1_10) < (1.9)) ? (WrapperStruct00.var_1_10) : (1.9)))) + (99.125 + WrapperStruct00.var_1_11)))) : 1)) && ((WrapperStruct00.var_1_2 < WrapperStruct00.var_1_8) ? ((((- WrapperStruct00.var_1_15) <= WrapperStruct00.var_1_6) || (WrapperStruct00.var_1_4 < WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_12 == ((unsigned long int) ((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_12 == ((unsigned long int) (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_6)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L117] EXPR (((WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3))) && ((8 < ((WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_4 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + ((((WrapperStruct00.var_1_10) < (1.9)) ? (WrapperStruct00.var_1_10) : (1.9)))) + (99.125 + WrapperStruct00.var_1_11)))) : 1)) && ((WrapperStruct00.var_1_2 < WrapperStruct00.var_1_8) ? ((((- WrapperStruct00.var_1_15) <= WrapperStruct00.var_1_6) || (WrapperStruct00.var_1_4 < WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_12 == ((unsigned long int) ((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_12 == ((unsigned long int) (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_6)))) : 1)) && ((((((-128) < (last_1_WrapperStruct00_var_1_15)) ? (-128) : (last_1_WrapperStruct00_var_1_15))) < WrapperStruct00.var_1_13) ? ((last_1_WrapperStruct00_var_1_15 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_15 == ((unsigned long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_16))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L117-L118] return (((WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3))) && ((8 < ((WrapperStruct00.var_1_15 >> WrapperStruct00.var_1_6) / WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_4 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + ((((WrapperStruct00.var_1_10) < (1.9)) ? (WrapperStruct00.var_1_10) : (1.9)))) + (99.125 + WrapperStruct00.var_1_11)))) : 1)) && ((WrapperStruct00.var_1_2 < WrapperStruct00.var_1_8) ? ((((- WrapperStruct00.var_1_15) <= WrapperStruct00.var_1_6) || (WrapperStruct00.var_1_4 < WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_12 == ((unsigned long int) ((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_12 == ((unsigned long int) (WrapperStruct00.var_1_14 - WrapperStruct00.var_1_6)))) : 1)) && ((((((-128) < (last_1_WrapperStruct00_var_1_15)) ? (-128) : (last_1_WrapperStruct00_var_1_15))) < WrapperStruct00.var_1_13) ? ((last_1_WrapperStruct00_var_1_15 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_15 == ((unsigned long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_15 == ((unsigned long int) WrapperStruct00.var_1_16))) ; [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=500] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 679 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 333 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 346 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 496 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1600/1632 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:34:45,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/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_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ba7c929f0e6efd0a397d94adaa69f0d7bd63f2d787023196b790a71b229b8df --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:34:48,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:34:49,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:34:49,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:34:49,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:34:49,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:34:49,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:34:49,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:34:49,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:34:49,158 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:34:49,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:34:49,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:34:49,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:34:49,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:34:49,161 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:34:49,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:34:49,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:34:49,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:34:49,163 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:34:49,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:34:49,163 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:34:49,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:34:49,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:34:49,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:34:49,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:49,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:34:49,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:34:49,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:34:49,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:34:49,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:49,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:34:49,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:34:49,166 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:34:49,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:34:49,167 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:34:49,167 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:34:49,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:34:49,167 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:34:49,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:34:49,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:34:49,168 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_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ba7c929f0e6efd0a397d94adaa69f0d7bd63f2d787023196b790a71b229b8df [2024-11-28 02:34:49,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:34:49,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:34:49,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:34:49,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:34:49,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:34:49,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i [2024-11-28 02:34:53,656 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data/fe37aeaf4/dab3435c293e44cd847408a2d12d9082/FLAGf8ef895a1 [2024-11-28 02:34:54,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:34:54,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i [2024-11-28 02:34:54,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data/fe37aeaf4/dab3435c293e44cd847408a2d12d9082/FLAGf8ef895a1 [2024-11-28 02:34:54,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/data/fe37aeaf4/dab3435c293e44cd847408a2d12d9082 [2024-11-28 02:34:54,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:34:54,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:34:54,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:34:54,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:34:54,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:34:54,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c41aa79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54, skipping insertion in model container [2024-11-28 02:34:54,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:34:54,367 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_28dedeb6-8301-4557-8d6b-767375fde059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i[916,929] [2024-11-28 02:34:54,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:34:54,533 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:34:54,547 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_28dedeb6-8301-4557-8d6b-767375fde059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-98.i[916,929] [2024-11-28 02:34:54,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:34:54,694 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:34:54,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54 WrapperNode [2024-11-28 02:34:54,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:34:54,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:34:54,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:34:54,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:34:54,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,798 INFO L138 Inliner]: procedures = 36, calls = 163, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 497 [2024-11-28 02:34:54,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:34:54,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:34:54,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:34:54,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:34:54,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,828 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,875 INFO L175 MemorySlicer]: Split 135 memory accesses to 2 slices as follows [2, 133]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 34 writes are split as follows [0, 34]. [2024-11-28 02:34:54,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,931 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:34:54,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:34:54,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:34:54,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:34:54,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (1/1) ... [2024-11-28 02:34:54,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:34:55,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:34:55,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:34:55,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:34:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:34:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 02:34:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 02:34:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-28 02:34:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-28 02:34:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 02:34:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 02:34:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:34:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:34:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:34:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:34:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 02:34:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 02:34:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-28 02:34:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-28 02:34:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-28 02:34:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-28 02:34:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:34:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:34:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:34:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:34:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 02:34:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 02:34:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:34:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:34:55,283 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:34:55,286 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:35:09,225 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-28 02:35:09,226 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:35:09,240 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:35:09,241 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:35:09,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:35:09 BoogieIcfgContainer [2024-11-28 02:35:09,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:35:09,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:35:09,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:35:09,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:35:09,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:34:54" (1/3) ... [2024-11-28 02:35:09,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f9eccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:35:09, skipping insertion in model container [2024-11-28 02:35:09,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:34:54" (2/3) ... [2024-11-28 02:35:09,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f9eccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:35:09, skipping insertion in model container [2024-11-28 02:35:09,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:35:09" (3/3) ... [2024-11-28 02:35:09,257 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-98.i [2024-11-28 02:35:09,277 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:35:09,279 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-98.i that has 2 procedures, 117 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:35:09,349 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:35:09,365 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;@2a48f7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:35:09,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:35:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 97 states have (on average 1.4329896907216495) internal successors, (139), 98 states have internal predecessors, (139), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:35:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 02:35:09,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:35:09,387 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:35:09,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:35:09,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:35:09,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1083896104, now seen corresponding path program 1 times [2024-11-28 02:35:09,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:35:09,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580107483] [2024-11-28 02:35:09,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:35:09,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:09,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:35:09,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:35:09,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:35:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:35:10,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:35:10,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:35:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-28 02:35:10,391 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:35:10,392 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:35:10,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580107483] [2024-11-28 02:35:10,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580107483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:35:10,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:35:10,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:35:10,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078396869] [2024-11-28 02:35:10,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:35:10,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:35:10,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:35:10,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:35:10,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:35:10,429 INFO L87 Difference]: Start difference. First operand has 117 states, 97 states have (on average 1.4329896907216495) internal successors, (139), 98 states have internal predecessors, (139), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:35:10,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:35:10,467 INFO L93 Difference]: Finished difference Result 227 states and 357 transitions. [2024-11-28 02:35:10,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:35:10,469 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2024-11-28 02:35:10,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:35:10,481 INFO L225 Difference]: With dead ends: 227 [2024-11-28 02:35:10,482 INFO L226 Difference]: Without dead ends: 113 [2024-11-28 02:35:10,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:35:10,491 INFO L435 NwaCegarLoop]: 166 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, 166 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:35:10,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:35:10,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-28 02:35:10,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-28 02:35:10,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 94 states have internal predecessors, (132), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:35:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2024-11-28 02:35:10,579 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 141 [2024-11-28 02:35:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:35:10,581 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2024-11-28 02:35:10,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:35:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2024-11-28 02:35:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 02:35:10,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:35:10,586 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:35:10,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:35:10,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:10,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:35:10,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:35:10,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1572949054, now seen corresponding path program 1 times [2024-11-28 02:35:10,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:35:10,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880655219] [2024-11-28 02:35:10,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:35:10,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:10,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:35:10,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:35:10,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 02:35:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:35:11,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:35:11,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:35:11,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:11,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-28 02:35:12,056 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:35:12,057 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:35:12,057 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:35:12,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880655219] [2024-11-28 02:35:12,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880655219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:35:12,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:35:12,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:35:12,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951124408] [2024-11-28 02:35:12,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:35:12,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:35:12,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:35:12,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:35:12,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:35:12,065 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:35:14,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:20,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:22,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:24,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:29,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:29,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:35:29,557 INFO L93 Difference]: Finished difference Result 224 states and 330 transitions. [2024-11-28 02:35:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:35:29,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-11-28 02:35:29,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:35:29,560 INFO L225 Difference]: With dead ends: 224 [2024-11-28 02:35:29,560 INFO L226 Difference]: Without dead ends: 114 [2024-11-28 02:35:29,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:35:29,562 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 161 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:35:29,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 448 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2024-11-28 02:35:29,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-28 02:35:29,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-11-28 02:35:29,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:35:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2024-11-28 02:35:29,577 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 141 [2024-11-28 02:35:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:35:29,578 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2024-11-28 02:35:29,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:35:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2024-11-28 02:35:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:35:29,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:35:29,581 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:35:29,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 02:35:29,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:29,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:35:29,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:35:29,783 INFO L85 PathProgramCache]: Analyzing trace with hash 117868476, now seen corresponding path program 1 times [2024-11-28 02:35:29,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:35:29,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514603127] [2024-11-28 02:35:29,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:35:29,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:29,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:35:29,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:35:29,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:35:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:35:30,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:35:30,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:35:30,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:35:30,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-28 02:35:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:35:30,863 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:35:30,863 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:35:30,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514603127] [2024-11-28 02:35:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514603127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:35:30,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:35:30,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:35:30,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991804727] [2024-11-28 02:35:30,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:35:30,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:35:30,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:35:30,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:35:30,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:35:30,865 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:35:34,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:40,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:42,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:46,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:35:46,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:35:46,873 INFO L93 Difference]: Finished difference Result 224 states and 328 transitions. [2024-11-28 02:35:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:35:46,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-28 02:35:46,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:35:46,876 INFO L225 Difference]: With dead ends: 224 [2024-11-28 02:35:46,876 INFO L226 Difference]: Without dead ends: 114 [2024-11-28 02:35:46,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:35:46,878 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 148 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:35:46,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 442 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 2 Unknown, 0 Unchecked, 15.9s Time] [2024-11-28 02:35:46,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-28 02:35:46,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-11-28 02:35:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 94 states have internal predecessors, (130), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:35:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2024-11-28 02:35:46,891 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 143 [2024-11-28 02:35:46,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:35:46,893 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2024-11-28 02:35:46,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:35:46,894 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2024-11-28 02:35:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:35:46,896 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:35:46,897 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:35:46,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 02:35:47,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:47,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:35:47,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:35:47,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1814018, now seen corresponding path program 1 times [2024-11-28 02:35:47,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:35:47,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949650106] [2024-11-28 02:35:47,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:35:47,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:35:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:35:47,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:35:47,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 02:46:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:11,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-28 02:46:11,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:11,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2024-11-28 02:46:14,122 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:14,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 151 treesize of output 85 [2024-11-28 02:46:23,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:23,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 91 [2024-11-28 02:46:25,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:25,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 91 [2024-11-28 02:46:28,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:28,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 181 treesize of output 91 [2024-11-28 02:46:29,475 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:29,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 171 treesize of output 111 [2024-11-28 02:46:35,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:35,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 201 treesize of output 117 [2024-11-28 02:46:41,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:41,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 137 [2024-11-28 02:46:51,757 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:51,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 210 treesize of output 143 [2024-11-28 02:47:02,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:02,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 210 treesize of output 143 [2024-11-28 02:47:13,825 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:13,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 210 treesize of output 143 [2024-11-28 02:47:24,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:24,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 317 treesize of output 197 [2024-11-28 02:47:39,942 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:39,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 118 treesize of output 129 [2024-11-28 02:48:00,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:00,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 394 treesize of output 132 [2024-11-28 02:48:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 306 proven. 90 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 02:48:08,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:31,368 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:31,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949650106] [2024-11-28 02:48:31,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949650106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:31,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [527991522] [2024-11-28 02:48:31,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:31,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:48:31,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:48:31,379 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:48:31,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28dedeb6-8301-4557-8d6b-767375fde059/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process