./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.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_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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_18a691ac-7b99-414f-a4b3-0b78417036b2/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 f622c0af01874eaee97ead89039fdcab82e6ffe35ddd9b1f07631012a1a2d1da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:48:32,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:48:32,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:48:32,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:48:32,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:48:32,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:48:32,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:48:32,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:48:32,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:48:32,504 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:48:32,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:48:32,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:48:32,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:48:32,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:48:32,505 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:48:32,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:48:32,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:48:32,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:48:32,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:48:32,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:48:32,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:48:32,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:48:32,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:48:32,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:48:32,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:48:32,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:48:32,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:48:32,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:48:32,506 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:48:32,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:48:32,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:48:32,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:48:32,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:32,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:48:32,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:48:32,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:48:32,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:48:32,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:32,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:48:32,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:48:32,508 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:48:32,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:48:32,508 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:48:32,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:48:32,508 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:48:32,508 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:48:32,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:48:32,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:48:32,509 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_18a691ac-7b99-414f-a4b3-0b78417036b2/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 -> f622c0af01874eaee97ead89039fdcab82e6ffe35ddd9b1f07631012a1a2d1da [2024-11-28 02:48:32,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:48:32,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:48:32,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:48:32,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:48:32,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:48:32,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i [2024-11-28 02:48:35,845 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data/bf566ce86/733c4ec733b840bdbc330353ed40536a/FLAG5169b723b [2024-11-28 02:48:36,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:48:36,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i [2024-11-28 02:48:36,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data/bf566ce86/733c4ec733b840bdbc330353ed40536a/FLAG5169b723b [2024-11-28 02:48:36,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data/bf566ce86/733c4ec733b840bdbc330353ed40536a [2024-11-28 02:48:36,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:48:36,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:48:36,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:48:36,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:48:36,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:48:36,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:36,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2099c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36, skipping insertion in model container [2024-11-28 02:48:36,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:36,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:48:36,693 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_18a691ac-7b99-414f-a4b3-0b78417036b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i[913,926] [2024-11-28 02:48:36,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:48:36,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:48:36,816 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_18a691ac-7b99-414f-a4b3-0b78417036b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i[913,926] [2024-11-28 02:48:36,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:48:36,908 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:48:36,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36 WrapperNode [2024-11-28 02:48:36,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:48:36,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:48:36,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:48:36,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:48:36,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:36,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,028 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-28 02:48:37,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:48:37,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:48:37,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:48:37,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:48:37,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,101 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:48:37,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,120 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:48:37,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:48:37,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:48:37,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:48:37,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (1/1) ... [2024-11-28 02:48:37,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:37,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:37,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:48:37,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:48:37,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:48:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:48:37,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:48:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:48:37,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:48:37,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:48:37,357 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:48:37,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:48:37,892 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 02:48:37,893 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:48:37,906 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:48:37,907 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:48:37,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:37 BoogieIcfgContainer [2024-11-28 02:48:37,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:48:37,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:48:37,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:48:37,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:48:37,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:48:36" (1/3) ... [2024-11-28 02:48:37,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633348be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:48:37, skipping insertion in model container [2024-11-28 02:48:37,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:36" (2/3) ... [2024-11-28 02:48:37,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633348be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:48:37, skipping insertion in model container [2024-11-28 02:48:37,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:37" (3/3) ... [2024-11-28 02:48:37,919 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-19.i [2024-11-28 02:48:37,937 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:48:37,939 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-19.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:48:38,015 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:48:38,030 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;@e7243bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:48:38,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:48:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:48:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:48:38,046 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:38,047 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:48:38,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:38,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:38,055 INFO L85 PathProgramCache]: Analyzing trace with hash 461073545, now seen corresponding path program 1 times [2024-11-28 02:48:38,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:38,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037192534] [2024-11-28 02:48:38,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:38,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 02:48:38,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:38,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037192534] [2024-11-28 02:48:38,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037192534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:38,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021093777] [2024-11-28 02:48:38,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:38,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:48:38,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:38,537 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:48:38,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:48:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:38,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:48:38,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-28 02:48:38,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:48:38,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021093777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:38,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:48:38,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:48:38,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965466175] [2024-11-28 02:48:38,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:38,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:48:38,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:38,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:48:38,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:48:38,882 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:48:38,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:38,926 INFO L93 Difference]: Finished difference Result 123 states and 212 transitions. [2024-11-28 02:48:38,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:48:38,929 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-28 02:48:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:38,939 INFO L225 Difference]: With dead ends: 123 [2024-11-28 02:48:38,939 INFO L226 Difference]: Without dead ends: 61 [2024-11-28 02:48:38,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 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 02:48:38,950 INFO L435 NwaCegarLoop]: 91 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, 91 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 02:48:38,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:48:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-28 02:48:38,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-28 02:48:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:48:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2024-11-28 02:48:39,012 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 142 [2024-11-28 02:48:39,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:39,014 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2024-11-28 02:48:39,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:48:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2024-11-28 02:48:39,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:48:39,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:39,022 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:48:39,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:48:39,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:48:39,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:39,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:39,224 INFO L85 PathProgramCache]: Analyzing trace with hash 401583425, now seen corresponding path program 1 times [2024-11-28 02:48:39,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:39,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275782762] [2024-11-28 02:48:39,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:39,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:48:40,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:40,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275782762] [2024-11-28 02:48:40,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275782762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:40,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:40,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:48:40,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071027035] [2024-11-28 02:48:40,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:40,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:48:40,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:40,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:48:40,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:48:40,179 INFO L87 Difference]: Start difference. First operand 61 states and 91 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:48:40,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:40,479 INFO L93 Difference]: Finished difference Result 192 states and 288 transitions. [2024-11-28 02:48:40,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:48:40,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-28 02:48:40,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:40,483 INFO L225 Difference]: With dead ends: 192 [2024-11-28 02:48:40,484 INFO L226 Difference]: Without dead ends: 134 [2024-11-28 02:48:40,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:48:40,485 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 71 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:40,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 272 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:48:40,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-28 02:48:40,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 117. [2024-11-28 02:48:40,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 70 states have internal predecessors, (88), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:48:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 176 transitions. [2024-11-28 02:48:40,523 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 176 transitions. Word has length 142 [2024-11-28 02:48:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:40,524 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 176 transitions. [2024-11-28 02:48:40,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:48:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 176 transitions. [2024-11-28 02:48:40,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:48:40,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:40,529 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:48:40,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:48:40,530 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:40,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:40,530 INFO L85 PathProgramCache]: Analyzing trace with hash -609533825, now seen corresponding path program 1 times [2024-11-28 02:48:40,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:40,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764700576] [2024-11-28 02:48:40,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:48:41,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:41,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764700576] [2024-11-28 02:48:41,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764700576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:41,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:41,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:48:41,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796645089] [2024-11-28 02:48:41,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:41,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:48:41,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:41,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:48:41,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:48:41,087 INFO L87 Difference]: Start difference. First operand 117 states and 176 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:48:41,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:41,162 INFO L93 Difference]: Finished difference Result 289 states and 437 transitions. [2024-11-28 02:48:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:48:41,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-28 02:48:41,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:41,168 INFO L225 Difference]: With dead ends: 289 [2024-11-28 02:48:41,168 INFO L226 Difference]: Without dead ends: 175 [2024-11-28 02:48:41,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:48:41,173 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 47 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:41,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 170 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:48:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-28 02:48:41,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2024-11-28 02:48:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.233009708737864) internal successors, (127), 103 states have internal predecessors, (127), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-28 02:48:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 259 transitions. [2024-11-28 02:48:41,232 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 259 transitions. Word has length 142 [2024-11-28 02:48:41,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:41,233 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 259 transitions. [2024-11-28 02:48:41,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:48:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 259 transitions. [2024-11-28 02:48:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:48:41,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:41,236 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:48:41,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:48:41,237 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:41,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:41,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1196339839, now seen corresponding path program 1 times [2024-11-28 02:48:41,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:41,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136456927] [2024-11-28 02:48:41,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:41,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:48:42,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:42,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136456927] [2024-11-28 02:48:42,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136456927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:42,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872568348] [2024-11-28 02:48:42,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:42,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:48:42,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:42,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:48:42,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:48:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:42,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:48:42,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-28 02:48:42,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:48:42,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872568348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:48:42,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:48:42,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-28 02:48:42,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466746967] [2024-11-28 02:48:42,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:48:42,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:48:42,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:42,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:48:42,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:48:42,900 INFO L87 Difference]: Start difference. First operand 173 states and 259 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:48:43,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:43,301 INFO L93 Difference]: Finished difference Result 311 states and 453 transitions. [2024-11-28 02:48:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:48:43,302 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 142 [2024-11-28 02:48:43,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:43,306 INFO L225 Difference]: With dead ends: 311 [2024-11-28 02:48:43,308 INFO L226 Difference]: Without dead ends: 197 [2024-11-28 02:48:43,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:48:43,310 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 135 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:43,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 140 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:48:43,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-28 02:48:43,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 185. [2024-11-28 02:48:43,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 112 states have (on average 1.1964285714285714) internal successors, (134), 112 states have internal predecessors, (134), 66 states have call successors, (66), 6 states have call predecessors, (66), 6 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-28 02:48:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 266 transitions. [2024-11-28 02:48:43,390 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 266 transitions. Word has length 142 [2024-11-28 02:48:43,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:43,391 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 266 transitions. [2024-11-28 02:48:43,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:48:43,391 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 266 transitions. [2024-11-28 02:48:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:48:43,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:43,393 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:48:43,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:48:43,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:48:43,594 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:43,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:43,595 INFO L85 PathProgramCache]: Analyzing trace with hash 578667523, now seen corresponding path program 1 times [2024-11-28 02:48:43,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:43,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572121428] [2024-11-28 02:48:43,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:43,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:48:43,732 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:48:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:48:43,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:48:43,951 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:48:43,953 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:48:43,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:48:43,959 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 02:48:44,093 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:48:44,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:48:44 BoogieIcfgContainer [2024-11-28 02:48:44,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:48:44,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:48:44,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:48:44,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:48:44,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:37" (3/4) ... [2024-11-28 02:48:44,102 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:48:44,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:48:44,104 INFO L158 Benchmark]: Toolchain (without parser) took 7663.37ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.5MB in the beginning and 48.6MB in the end (delta: 44.0MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2024-11-28 02:48:44,106 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:48:44,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.24ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:48:44,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.79ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 72.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:48:44,107 INFO L158 Benchmark]: Boogie Preprocessor took 121.01ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 60.9MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:48:44,107 INFO L158 Benchmark]: RCFGBuilder took 752.70ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 89.4MB in the end (delta: -28.7MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-28 02:48:44,107 INFO L158 Benchmark]: TraceAbstraction took 6186.61ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 88.8MB in the beginning and 48.6MB in the end (delta: 40.3MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-11-28 02:48:44,107 INFO L158 Benchmark]: Witness Printer took 6.69ms. Allocated memory is still 142.6MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:48:44,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.24ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.79ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 72.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 121.01ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 60.9MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 752.70ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 89.4MB in the end (delta: -28.7MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6186.61ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 88.8MB in the beginning and 48.6MB in the end (delta: 40.3MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * Witness Printer took 6.69ms. Allocated memory is still 142.6MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 53, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someUnaryFLOAToperation at line 53, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] unsigned char last_1_var_1_15 = 0; VAL [isInitial=0, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L129] isInitial = 1 [L130] FCALL initially() [L132] CALL updateLastVariables() [L122] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=128, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L132] RET updateLastVariables() [L133] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L86] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L87] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L87] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L88] var_1_3 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L89] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L90] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L90] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L91] var_1_7 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L92] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L93] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L93] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L94] var_1_8 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L95] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L96] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L96] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L97] var_1_9 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L98] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L99] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L99] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L100] var_1_12 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L101] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L102] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L102] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L103] var_1_13 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L104] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L105] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L105] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L106] var_1_21 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L107] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L108] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L108] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L109] var_1_23 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L110] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L111] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L111] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L112] var_1_25 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L113] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L114] var_1_26 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L115] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L116] var_1_27 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L117] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L118] var_1_28 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L119] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L133] RET updateVariables() [L134] CALL step() [L47] COND FALSE !(\read(last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L50] COND FALSE !(\read(var_1_10)) [L53] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=56843, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L55] COND TRUE (- var_1_24) == (var_1_24 + var_1_24) [L56] var_1_15 = var_1_12 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=127, var_1_24=56843, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L58] COND FALSE !(var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) [L65] var_1_19 = var_1_2 VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=127, var_1_24=56843, var_1_29=256, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L67] COND TRUE var_1_24 != var_1_24 [L68] var_1_29 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=127, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L70] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); VAL [isInitial=1, last_1_var_1_15=0, stepLocal_1=127, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=127, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L71] COND TRUE stepLocal_1 >= var_1_29 [L72] var_1_6 = (var_1_3 - (var_1_9 - var_1_2)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=127, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L74] COND FALSE !(\read(var_1_15)) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=127, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L77] signed long int stepLocal_0 = var_1_2 - var_1_3; VAL [isInitial=1, last_1_var_1_15=0, stepLocal_0=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=-64, var_1_23=127, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L78] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L79] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=127, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L134] RET step() [L135] CALL, EXPR property() [L125-L126] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=127, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=127, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=127, var_1_24=56843, var_1_29=127, var_1_2=127, var_1_3=127, var_1_6=-16129, var_1_7=32767, var_1_8=32767, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 5, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 253 mSDsluCounter, 673 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 327 mSDsCounter, 139 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 139 mSolverCounterUnsat, 346 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 430 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 31 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 994 NumberOfCodeBlocks, 994 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 2035 SizeOfPredicates, 2 NumberOfNonLiveVariables, 654 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 6336/6468 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 02:48:44,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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_18a691ac-7b99-414f-a4b3-0b78417036b2/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 f622c0af01874eaee97ead89039fdcab82e6ffe35ddd9b1f07631012a1a2d1da --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:48:47,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:48:47,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:48:47,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:48:47,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:48:47,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:48:47,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:48:47,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:48:47,239 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:48:47,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:48:47,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:48:47,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:48:47,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:48:47,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:48:47,240 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:48:47,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:48:47,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:48:47,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:48:47,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:48:47,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:48:47,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:48:47,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:48:47,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:48:47,241 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:48:47,241 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:48:47,241 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:48:47,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:48:47,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:48:47,241 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:48:47,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:48:47,241 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:48:47,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:48:47,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:48:47,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:48:47,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:47,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:48:47,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:48:47,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:48:47,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:48:47,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:47,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:48:47,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:48:47,243 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:48:47,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:48:47,243 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:48:47,243 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:48:47,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:48:47,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:48:47,243 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:48:47,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:48:47,243 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_18a691ac-7b99-414f-a4b3-0b78417036b2/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 -> f622c0af01874eaee97ead89039fdcab82e6ffe35ddd9b1f07631012a1a2d1da [2024-11-28 02:48:47,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:48:47,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:48:47,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:48:47,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:48:47,621 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:48:47,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i [2024-11-28 02:48:50,870 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data/2a1f5f970/26ca57797164458a97d9dd7210a6f2d5/FLAGdee154c80 [2024-11-28 02:48:51,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:48:51,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i [2024-11-28 02:48:51,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data/2a1f5f970/26ca57797164458a97d9dd7210a6f2d5/FLAGdee154c80 [2024-11-28 02:48:51,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/data/2a1f5f970/26ca57797164458a97d9dd7210a6f2d5 [2024-11-28 02:48:51,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:48:51,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:48:51,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:48:51,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:48:51,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:48:51,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6a80a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51, skipping insertion in model container [2024-11-28 02:48:51,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:48:51,501 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_18a691ac-7b99-414f-a4b3-0b78417036b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i[913,926] [2024-11-28 02:48:51,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:48:51,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:48:51,663 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_18a691ac-7b99-414f-a4b3-0b78417036b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-19.i[913,926] [2024-11-28 02:48:51,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:48:51,760 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:48:51,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51 WrapperNode [2024-11-28 02:48:51,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:48:51,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:48:51,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:48:51,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:48:51,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,820 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-28 02:48:51,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:48:51,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:48:51,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:48:51,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:48:51,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,862 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:48:51,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,885 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:48:51,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:48:51,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:48:51,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:48:51,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (1/1) ... [2024-11-28 02:48:51,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:48:51,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:48:51,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:48:51,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:48:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:48:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:48:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:48:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:48:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:48:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:48:52,092 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:48:52,095 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:49:05,391 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 02:49:05,391 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:49:05,428 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:49:05,428 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:49:05,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:49:05 BoogieIcfgContainer [2024-11-28 02:49:05,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:49:05,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:49:05,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:49:05,437 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:49:05,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:48:51" (1/3) ... [2024-11-28 02:49:05,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca35035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:49:05, skipping insertion in model container [2024-11-28 02:49:05,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:51" (2/3) ... [2024-11-28 02:49:05,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca35035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:49:05, skipping insertion in model container [2024-11-28 02:49:05,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:49:05" (3/3) ... [2024-11-28 02:49:05,440 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-19.i [2024-11-28 02:49:05,460 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:49:05,462 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-19.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:49:05,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:49:05,581 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;@153fd97d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:49:05,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:49:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:49:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:49:05,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:49:05,605 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:49:05,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:49:05,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:49:05,616 INFO L85 PathProgramCache]: Analyzing trace with hash 461073545, now seen corresponding path program 1 times [2024-11-28 02:49:05,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:49:05,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969200348] [2024-11-28 02:49:05,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:49:05,638 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 02:49:05,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:49:05,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:05,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:49:06,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:49:06,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:06,948 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-28 02:49:06,948 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:49:06,949 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:49:06,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969200348] [2024-11-28 02:49:06,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969200348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:49:06,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:49:06,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:49:06,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271169876] [2024-11-28 02:49:06,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:49:06,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:49:06,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:06,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:49:06,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:49:06,990 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:49:07,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:49:07,024 INFO L93 Difference]: Finished difference Result 123 states and 212 transitions. [2024-11-28 02:49:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:49:07,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-28 02:49:07,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:49:07,034 INFO L225 Difference]: With dead ends: 123 [2024-11-28 02:49:07,035 INFO L226 Difference]: Without dead ends: 61 [2024-11-28 02:49:07,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 02:49:07,043 INFO L435 NwaCegarLoop]: 91 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, 91 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 02:49:07,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:49:07,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-28 02:49:07,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-28 02:49:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:49:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 91 transitions. [2024-11-28 02:49:07,104 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 91 transitions. Word has length 142 [2024-11-28 02:49:07,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:49:07,105 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 91 transitions. [2024-11-28 02:49:07,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:49:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2024-11-28 02:49:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:49:07,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:49:07,114 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:49:07,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:07,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:07,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:49:07,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:49:07,318 INFO L85 PathProgramCache]: Analyzing trace with hash 401583425, now seen corresponding path program 1 times [2024-11-28 02:49:07,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:49:07,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482348621] [2024-11-28 02:49:07,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:49:07,320 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 02:49:07,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:49:07,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:07,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:49:08,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:49:08,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:49:11,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:49:11,934 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:49:11,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482348621] [2024-11-28 02:49:11,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482348621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:49:11,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:49:11,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:49:11,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925359470] [2024-11-28 02:49:11,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:49:11,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:49:11,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:11,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:49:11,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:49:11,938 INFO L87 Difference]: Start difference. First operand 61 states and 91 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:49:16,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:49:20,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:49:24,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:49:29,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:49:33,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:49:37,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:49:41,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:49:41,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:49:41,348 INFO L93 Difference]: Finished difference Result 203 states and 302 transitions. [2024-11-28 02:49:41,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:49:41,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-28 02:49:41,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:49:41,475 INFO L225 Difference]: With dead ends: 203 [2024-11-28 02:49:41,476 INFO L226 Difference]: Without dead ends: 145 [2024-11-28 02:49:41,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:49:41,478 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 81 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 49 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:49:41,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 284 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 29.2s Time] [2024-11-28 02:49:41,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-28 02:49:41,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 117. [2024-11-28 02:49:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 70 states have internal predecessors, (88), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 02:49:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 176 transitions. [2024-11-28 02:49:41,515 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 176 transitions. Word has length 142 [2024-11-28 02:49:41,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:49:41,516 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 176 transitions. [2024-11-28 02:49:41,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:49:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 176 transitions. [2024-11-28 02:49:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:49:41,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:49:41,518 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:49:41,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:41,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:41,719 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:49:41,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:49:41,720 INFO L85 PathProgramCache]: Analyzing trace with hash -609533825, now seen corresponding path program 1 times [2024-11-28 02:49:41,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:49:41,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735564390] [2024-11-28 02:49:41,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:49:41,721 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 02:49:41,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:49:41,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:41,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:49:42,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:49:42,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:49:46,244 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:49:46,244 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:49:46,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735564390] [2024-11-28 02:49:46,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735564390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:49:46,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:49:46,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:49:46,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367548135] [2024-11-28 02:49:46,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:49:46,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:49:46,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:46,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:49:46,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:49:46,248 INFO L87 Difference]: Start difference. First operand 117 states and 176 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:49:50,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:49:55,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:49:55,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:49:55,419 INFO L93 Difference]: Finished difference Result 345 states and 522 transitions. [2024-11-28 02:49:55,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:49:55,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-28 02:49:55,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:49:55,552 INFO L225 Difference]: With dead ends: 345 [2024-11-28 02:49:55,552 INFO L226 Difference]: Without dead ends: 231 [2024-11-28 02:49:55,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:49:55,556 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 22 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:49:55,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 171 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-11-28 02:49:55,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-28 02:49:55,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2024-11-28 02:49:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 136 states have internal predecessors, (168), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-28 02:49:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 344 transitions. [2024-11-28 02:49:55,658 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 344 transitions. Word has length 142 [2024-11-28 02:49:55,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:49:55,659 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 344 transitions. [2024-11-28 02:49:55,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:49:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 344 transitions. [2024-11-28 02:49:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:49:55,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:49:55,666 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:49:55,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:55,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:55,867 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:49:55,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:49:55,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1196339839, now seen corresponding path program 1 times [2024-11-28 02:49:55,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:49:55,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938395894] [2024-11-28 02:49:55,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:49:55,869 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 02:49:55,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:49:55,875 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:55,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:49:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:49:56,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:49:56,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:57,290 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 02:49:57,290 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:49:57,290 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:49:57,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1938395894] [2024-11-28 02:49:57,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1938395894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:49:57,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:49:57,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:49:57,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742319950] [2024-11-28 02:49:57,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:49:57,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:49:57,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:57,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:49:57,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:49:57,293 INFO L87 Difference]: Start difference. First operand 229 states and 344 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:50:01,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:50:05,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:50:10,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:50:14,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:50:17,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:50:21,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:50:22,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:50:22,328 INFO L93 Difference]: Finished difference Result 665 states and 999 transitions. [2024-11-28 02:50:22,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:50:22,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-28 02:50:22,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:50:22,342 INFO L225 Difference]: With dead ends: 665 [2024-11-28 02:50:22,346 INFO L226 Difference]: Without dead ends: 439 [2024-11-28 02:50:22,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:50:22,348 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 82 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:50:22,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 233 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 4 Unknown, 0 Unchecked, 24.9s Time] [2024-11-28 02:50:22,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-28 02:50:22,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 235. [2024-11-28 02:50:22,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 142 states have (on average 1.2464788732394365) internal successors, (177), 142 states have internal predecessors, (177), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-28 02:50:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 353 transitions. [2024-11-28 02:50:22,437 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 353 transitions. Word has length 142 [2024-11-28 02:50:22,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:50:22,439 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 353 transitions. [2024-11-28 02:50:22,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-28 02:50:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 353 transitions. [2024-11-28 02:50:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:50:22,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:50:22,445 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:22,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 02:50:22,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:50:22,646 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:50:22,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:50:22,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1589366849, now seen corresponding path program 1 times [2024-11-28 02:50:22,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:50:22,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176351543] [2024-11-28 02:50:22,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:22,647 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:50:22,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:50:22,649 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:50:22,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 02:50:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:50:23,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:50:23,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:50:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-28 02:50:25,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:50:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 33 proven. 30 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-28 02:50:28,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:50:28,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [176351543] [2024-11-28 02:50:28,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [176351543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:50:28,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:50:28,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-28 02:50:28,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015407786] [2024-11-28 02:50:28,327 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:50:28,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:50:28,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:50:28,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:50:28,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:50:28,330 INFO L87 Difference]: Start difference. First operand 235 states and 353 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:50:35,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:50:39,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:50:43,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:50:43,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:50:43,307 INFO L93 Difference]: Finished difference Result 307 states and 453 transitions. [2024-11-28 02:50:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:50:43,444 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 142 [2024-11-28 02:50:43,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:50:43,446 INFO L225 Difference]: With dead ends: 307 [2024-11-28 02:50:43,446 INFO L226 Difference]: Without dead ends: 75 [2024-11-28 02:50:43,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 276 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:50:43,448 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 75 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 69 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:50:43,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 133 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 128 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2024-11-28 02:50:43,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-28 02:50:43,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 68. [2024-11-28 02:50:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 43 states have internal predecessors, (50), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:50:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2024-11-28 02:50:43,467 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 142 [2024-11-28 02:50:43,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:50:43,468 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2024-11-28 02:50:43,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:50:43,469 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-11-28 02:50:43,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 02:50:43,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:50:43,472 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:43,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:50:43,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:50:43,674 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:50:43,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:50:43,674 INFO L85 PathProgramCache]: Analyzing trace with hash 185640513, now seen corresponding path program 1 times [2024-11-28 02:50:43,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:50:43,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539655483] [2024-11-28 02:50:43,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:43,675 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 02:50:43,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:50:43,677 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/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 02:50:43,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a691ac-7b99-414f-a4b3-0b78417036b2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 02:50:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:50:44,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:50:44,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:51:19,187 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:51:27,807 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:51:53,716 WARN L286 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 02:52:11,552 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:52:45,763 WARN L286 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:53:23,551 WARN L286 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 47 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)