./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC --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 f3bccbd47f020014aaa87680c2199640dac67db437f4e10374d3a460fe0987cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:01:30,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:01:30,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:01:30,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:01:30,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:01:30,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:01:30,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:01:30,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:01:30,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:01:30,331 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:01:30,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:01:30,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:01:30,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:01:30,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:01:30,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:01:30,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:01:30,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:01:30,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:01:30,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:01:30,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:01:30,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:01:30,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:01:30,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:01:30,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:01:30,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:01:30,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:01:30,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:01:30,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:01:30,335 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:01:30,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:01:30,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:01:30,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:01:30,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:01:30,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:01:30,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:01:30,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:01:30,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:01:30,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:01:30,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:01:30,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:01:30,337 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:01:30,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:01:30,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:01:30,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:01:30,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:01:30,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:01:30,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:01:30,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:01:30,338 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_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC 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 -> f3bccbd47f020014aaa87680c2199640dac67db437f4e10374d3a460fe0987cf [2024-11-23 23:01:30,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:01:30,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:01:30,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:01:30,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:01:30,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:01:30,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i [2024-11-23 23:01:33,867 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data/14053e1b0/19337cfd103b4b799e3cb10db6bdc2fc/FLAGb12e6c211 [2024-11-23 23:01:34,271 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:01:34,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i [2024-11-23 23:01:34,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data/14053e1b0/19337cfd103b4b799e3cb10db6bdc2fc/FLAGb12e6c211 [2024-11-23 23:01:34,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data/14053e1b0/19337cfd103b4b799e3cb10db6bdc2fc [2024-11-23 23:01:34,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:01:34,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:01:34,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:01:34,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:01:34,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:01:34,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:34,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26fd1bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34, skipping insertion in model container [2024-11-23 23:01:34,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:34,496 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:01:34,719 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_513cc710-b931-4f29-bb80-0ff42803c041/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i[913,926] [2024-11-23 23:01:34,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:01:34,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:01:34,862 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_513cc710-b931-4f29-bb80-0ff42803c041/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i[913,926] [2024-11-23 23:01:34,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:01:34,938 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:01:34,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34 WrapperNode [2024-11-23 23:01:34,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:01:34,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:01:34,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:01:34,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:01:34,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:34,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,021 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-23 23:01:35,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:01:35,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:01:35,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:01:35,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:01:35,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,074 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]. [2024-11-23 23:01:35,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:01:35,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:01:35,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:01:35,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:01:35,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (1/1) ... [2024-11-23 23:01:35,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:01:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:01:35,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:01:35,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:01:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:01:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:01:35,262 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:01:35,265 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:01:35,645 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 23:01:35,645 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:01:35,667 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:01:35,667 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:01:35,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:01:35 BoogieIcfgContainer [2024-11-23 23:01:35,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:01:35,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:01:35,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:01:35,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:01:35,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:01:34" (1/3) ... [2024-11-23 23:01:35,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adaaa2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:01:35, skipping insertion in model container [2024-11-23 23:01:35,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:34" (2/3) ... [2024-11-23 23:01:35,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adaaa2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:01:35, skipping insertion in model container [2024-11-23 23:01:35,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:01:35" (3/3) ... [2024-11-23 23:01:35,689 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-14.i [2024-11-23 23:01:35,708 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:01:35,710 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-14.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:01:35,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:01:35,791 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;@5f6646b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:01:35,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:01:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:01:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:01:35,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:01:35,816 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:01:35,817 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:01:35,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:01:35,826 INFO L85 PathProgramCache]: Analyzing trace with hash 173013582, now seen corresponding path program 1 times [2024-11-23 23:01:35,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:01:35,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394747873] [2024-11-23 23:01:35,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:01:35,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:01:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:01:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-23 23:01:36,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:01:36,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394747873] [2024-11-23 23:01:36,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394747873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:01:36,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085239420] [2024-11-23 23:01:36,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:01:36,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:01:36,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:01:36,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:01:36,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:01:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:01:36,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:01:36,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:01:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-23 23:01:36,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:01:36,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085239420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:01:36,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:01:36,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:01:36,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252761197] [2024-11-23 23:01:36,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:01:36,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:01:36,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:01:36,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:01:36,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:01:36,748 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:01:36,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:01:36,781 INFO L93 Difference]: Finished difference Result 109 states and 187 transitions. [2024-11-23 23:01:36,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:01:36,783 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2024-11-23 23:01:36,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:01:36,790 INFO L225 Difference]: With dead ends: 109 [2024-11-23 23:01:36,791 INFO L226 Difference]: Without dead ends: 54 [2024-11-23 23:01:36,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:01:36,798 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2024-11-23 23:01:36,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:01:36,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-23 23:01:36,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-23 23:01:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:01:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-23 23:01:36,846 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 131 [2024-11-23 23:01:36,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:01:36,847 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-23 23:01:36,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:01:36,848 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-23 23:01:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:01:36,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:01:36,853 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:01:36,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:01:37,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:01:37,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:01:37,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:01:37,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1923071244, now seen corresponding path program 1 times [2024-11-23 23:01:37,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:01:37,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189526405] [2024-11-23 23:01:37,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:01:37,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:01:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:01:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-23 23:01:37,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:01:37,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189526405] [2024-11-23 23:01:37,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189526405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:01:37,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:01:37,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:01:37,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964463706] [2024-11-23 23:01:37,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:01:37,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:01:37,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:01:37,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:01:37,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:01:37,854 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:01:38,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:01:38,131 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2024-11-23 23:01:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:01:38,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 131 [2024-11-23 23:01:38,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:01:38,135 INFO L225 Difference]: With dead ends: 157 [2024-11-23 23:01:38,135 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 23:01:38,138 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 [2024-11-23 23:01:38,140 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 43 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:01:38,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 217 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:01:38,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 23:01:38,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 94. [2024-11-23 23:01:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 states have internal predecessors, (55), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:01:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 139 transitions. [2024-11-23 23:01:38,182 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 139 transitions. Word has length 131 [2024-11-23 23:01:38,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:01:38,183 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 139 transitions. [2024-11-23 23:01:38,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:01:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2024-11-23 23:01:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:01:38,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:01:38,190 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:01:38,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:01:38,190 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:01:38,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:01:38,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1691837682, now seen corresponding path program 1 times [2024-11-23 23:01:38,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:01:38,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100821565] [2024-11-23 23:01:38,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:01:38,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:01:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:01:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-23 23:01:39,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:01:39,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100821565] [2024-11-23 23:01:39,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100821565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:01:39,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536980211] [2024-11-23 23:01:39,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:01:39,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:01:39,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:01:39,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:01:39,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:01:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:01:39,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:01:39,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:01:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-23 23:01:39,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:01:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-23 23:01:40,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536980211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:01:40,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:01:40,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2024-11-23 23:01:40,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207652811] [2024-11-23 23:01:40,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:01:40,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:01:40,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:01:40,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:01:40,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:01:40,115 INFO L87 Difference]: Start difference. First operand 94 states and 139 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 23:01:40,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:01:40,522 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2024-11-23 23:01:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:01:40,523 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 131 [2024-11-23 23:01:40,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:01:40,525 INFO L225 Difference]: With dead ends: 157 [2024-11-23 23:01:40,526 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 23:01:40,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-23 23:01:40,528 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 83 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:01:40,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 131 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:01:40,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 23:01:40,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-23 23:01:40,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 55 states have internal predecessors, (60), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:01:40,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2024-11-23 23:01:40,557 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 131 [2024-11-23 23:01:40,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:01:40,558 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2024-11-23 23:01:40,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 23:01:40,558 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-23 23:01:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:01:40,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:01:40,561 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:01:40,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:01:40,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:01:40,765 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:01:40,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:01:40,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1689990640, now seen corresponding path program 1 times [2024-11-23 23:01:40,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:01:40,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321849375] [2024-11-23 23:01:40,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:01:40,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:01:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:01:40,912 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:01:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:01:41,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:01:41,168 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:01:41,170 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:01:41,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:01:41,178 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 23:01:41,315 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:01:41,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:01:41 BoogieIcfgContainer [2024-11-23 23:01:41,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:01:41,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:01:41,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:01:41,323 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:01:41,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:01:35" (3/4) ... [2024-11-23 23:01:41,327 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:01:41,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:01:41,329 INFO L158 Benchmark]: Toolchain (without parser) took 6880.33ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.4MB in the beginning and 224.9MB in the end (delta: -106.4MB). Peak memory consumption was 174.8MB. Max. memory is 16.1GB. [2024-11-23 23:01:41,329 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:01:41,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.54ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 104.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:01:41,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.15ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 101.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:01:41,330 INFO L158 Benchmark]: Boogie Preprocessor took 67.72ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 98.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:01:41,330 INFO L158 Benchmark]: RCFGBuilder took 573.89ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 81.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:01:41,332 INFO L158 Benchmark]: TraceAbstraction took 5649.08ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.9MB in the beginning and 226.1MB in the end (delta: -145.2MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. [2024-11-23 23:01:41,333 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 427.8MB. Free memory was 226.1MB in the beginning and 224.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:01:41,335 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 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.54ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 104.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.15ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 101.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.72ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 98.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.89ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 81.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5649.08ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 80.9MB in the beginning and 226.1MB in the end (delta: -145.2MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 427.8MB. Free memory was 226.1MB in the beginning and 224.9MB in the end (delta: 1.2MB). 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 94, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1000000; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] signed short int var_1_5 = -64; [L26] signed short int var_1_6 = -64; [L27] signed short int var_1_7 = 10; [L28] signed short int var_1_8 = 8; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char var_1_11 = 0; [L32] unsigned short int var_1_12 = 2; [L33] float var_1_13 = 32.25; [L34] float var_1_14 = 15.5; [L35] float var_1_15 = 256.25; [L36] double var_1_16 = 8.6; [L37] unsigned short int var_1_17 = 57581; [L38] unsigned char last_1_var_1_9 = 0; VAL [isInitial=0, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=0, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L109] isInitial = 1 [L110] FCALL initially() [L112] CALL updateLastVariables() [L102] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=0, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L72] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L72] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L73] var_1_6 = __VERIFIER_nondet_short() [L74] CALL assume_abort_if_not(var_1_6 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L74] RET assume_abort_if_not(var_1_6 >= -32767) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L75] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L76] var_1_7 = __VERIFIER_nondet_short() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L79] var_1_8 = __VERIFIER_nondet_short() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L81] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L83] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L87] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L88] var_1_13 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L89] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L90] var_1_14 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L91] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_14 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L92] RET assume_abort_if_not(var_1_14 != 0.0F) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L93] var_1_15 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L94] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L96] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L97] var_1_17 = __VERIFIER_nondet_ushort() [L98] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L98] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L99] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L113] RET updateVariables() [L114] CALL step() [L42] COND FALSE !(\read(last_1_var_1_9)) [L45] var_1_5 = ((var_1_7 + 16) - var_1_8) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L47] COND FALSE !((var_1_13 / var_1_14) <= var_1_15) [L54] var_1_12 = var_1_8 VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L56] COND TRUE ((var_1_5 >= var_1_12) && var_1_2) && var_1_3 [L57] var_1_9 = (! var_1_10) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L61] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_9=0, stepLocal_0=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L62] COND FALSE !(stepLocal_0 && var_1_9) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L114] RET step() [L115] CALL, EXPR property() [L105-L106] return ((((var_1_9 && var_1_9) ? (var_1_1 == ((signed long int) var_1_5)) : 1) && (last_1_var_1_9 ? (var_1_5 == ((signed short int) var_1_6)) : (var_1_5 == ((signed short int) ((var_1_7 + 16) - var_1_8))))) && ((((var_1_5 >= var_1_12) && var_1_2) && var_1_3) ? (var_1_9 == ((unsigned char) (! var_1_10))) : (var_1_9 == ((unsigned char) (! (var_1_11 || var_1_10)))))) && (((var_1_13 / var_1_14) <= var_1_15) ? (((var_1_16 - 2.3) > var_1_14) ? (var_1_12 == ((unsigned short int) (var_1_17 - var_1_7))) : (var_1_12 == ((unsigned short int) ((((var_1_7) > (((((var_1_17 - var_1_8) < 0 ) ? -(var_1_17 - var_1_8) : (var_1_17 - var_1_8))))) ? (var_1_7) : (((((var_1_17 - var_1_8) < 0 ) ? -(var_1_17 - var_1_8) : (var_1_17 - var_1_8))))))))) : (var_1_12 == ((unsigned short int) var_1_8))) ; VAL [\result=0, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 4, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 427 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 223 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 204 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 412 GetRequests, 394 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 786 NumberOfCodeBlocks, 786 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 780 ConstructedInterpolants, 0 QuantifiedInterpolants, 1333 SizeOfPredicates, 1 NumberOfNonLiveVariables, 595 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 4910/5040 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 [2024-11-23 23:01:41,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC --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 f3bccbd47f020014aaa87680c2199640dac67db437f4e10374d3a460fe0987cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:01:44,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:01:44,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:01:44,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:01:44,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:01:44,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:01:44,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:01:44,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:01:44,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:01:44,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:01:44,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:01:44,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:01:44,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:01:44,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:01:44,490 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:01:44,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:01:44,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:01:44,491 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:01:44,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:01:44,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:01:44,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:01:44,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:01:44,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:01:44,492 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:01:44,492 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:01:44,493 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:01:44,493 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:01:44,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:01:44,493 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:01:44,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:01:44,493 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:01:44,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:01:44,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:01:44,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:01:44,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:01:44,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:01:44,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:01:44,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:01:44,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:01:44,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:01:44,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:01:44,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:01:44,494 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:01:44,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:01:44,495 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:01:44,495 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:01:44,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:01:44,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:01:44,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:01:44,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:01:44,495 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_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC 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 -> f3bccbd47f020014aaa87680c2199640dac67db437f4e10374d3a460fe0987cf [2024-11-23 23:01:44,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:01:44,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:01:44,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:01:44,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:01:44,938 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:01:44,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i [2024-11-23 23:01:48,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data/4ed8c8ed9/ea717ce9fb094dfcbc2fc4dda8cd52fe/FLAGa00396871 [2024-11-23 23:01:48,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:01:48,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i [2024-11-23 23:01:48,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data/4ed8c8ed9/ea717ce9fb094dfcbc2fc4dda8cd52fe/FLAGa00396871 [2024-11-23 23:01:48,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/data/4ed8c8ed9/ea717ce9fb094dfcbc2fc4dda8cd52fe [2024-11-23 23:01:48,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:01:48,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:01:48,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:01:48,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:01:48,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:01:48,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:01:48" (1/1) ... [2024-11-23 23:01:48,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2f7059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:48, skipping insertion in model container [2024-11-23 23:01:48,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:01:48" (1/1) ... [2024-11-23 23:01:48,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:01:48,926 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_513cc710-b931-4f29-bb80-0ff42803c041/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i[913,926] [2024-11-23 23:01:49,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:01:49,063 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:01:49,080 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_513cc710-b931-4f29-bb80-0ff42803c041/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i[913,926] [2024-11-23 23:01:49,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:01:49,171 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:01:49,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49 WrapperNode [2024-11-23 23:01:49,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:01:49,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:01:49,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:01:49,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:01:49,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,250 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-11-23 23:01:49,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:01:49,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:01:49,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:01:49,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:01:49,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,307 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]. [2024-11-23 23:01:49,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,329 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:01:49,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:01:49,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:01:49,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:01:49,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (1/1) ... [2024-11-23 23:01:49,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:01:49,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:01:49,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:01:49,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:01:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:01:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:01:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:01:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:01:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:01:49,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:01:49,574 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:01:49,577 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:01:54,753 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 23:01:54,754 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:01:54,766 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:01:54,766 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:01:54,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:01:54 BoogieIcfgContainer [2024-11-23 23:01:54,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:01:54,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:01:54,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:01:54,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:01:54,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:01:48" (1/3) ... [2024-11-23 23:01:54,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0b9db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:01:54, skipping insertion in model container [2024-11-23 23:01:54,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:49" (2/3) ... [2024-11-23 23:01:54,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0b9db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:01:54, skipping insertion in model container [2024-11-23 23:01:54,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:01:54" (3/3) ... [2024-11-23 23:01:54,779 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-14.i [2024-11-23 23:01:54,797 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:01:54,798 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-14.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:01:54,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:01:54,900 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;@21cdd012, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:01:54,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:01:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:01:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:01:54,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:01:54,927 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:01:54,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:01:54,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:01:54,935 INFO L85 PathProgramCache]: Analyzing trace with hash 173013582, now seen corresponding path program 1 times [2024-11-23 23:01:54,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:01:54,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647486404] [2024-11-23 23:01:54,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:01:54,949 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 [2024-11-23 23:01:54,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:01:54,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:01:54,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:01:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:01:55,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:01:55,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:01:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-23 23:01:55,539 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:01:55,540 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:01:55,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647486404] [2024-11-23 23:01:55,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647486404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:01:55,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:01:55,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:01:55,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747125186] [2024-11-23 23:01:55,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:01:55,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:01:55,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:01:55,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:01:55,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:01:55,576 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:01:55,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:01:55,608 INFO L93 Difference]: Finished difference Result 109 states and 187 transitions. [2024-11-23 23:01:55,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:01:55,611 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2024-11-23 23:01:55,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:01:55,618 INFO L225 Difference]: With dead ends: 109 [2024-11-23 23:01:55,618 INFO L226 Difference]: Without dead ends: 54 [2024-11-23 23:01:55,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:01:55,626 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2024-11-23 23:01:55,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:01:55,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-23 23:01:55,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-23 23:01:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 23:01:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-23 23:01:55,672 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 131 [2024-11-23 23:01:55,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:01:55,673 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-23 23:01:55,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:01:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-23 23:01:55,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:01:55,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:01:55,679 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:01:55,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:01:55,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:01:55,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:01:55,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:01:55,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1923071244, now seen corresponding path program 1 times [2024-11-23 23:01:55,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:01:55,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177493071] [2024-11-23 23:01:55,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:01:55,882 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 [2024-11-23 23:01:55,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:01:55,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:01:55,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:01:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:01:56,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:01:56,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:01:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-23 23:01:57,608 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:01:57,608 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:01:57,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177493071] [2024-11-23 23:01:57,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177493071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:01:57,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:01:57,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:01:57,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585110354] [2024-11-23 23:01:57,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:01:57,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:01:57,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:01:57,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:01:57,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:01:57,613 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:02:00,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:02,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:02,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:02,237 INFO L93 Difference]: Finished difference Result 160 states and 238 transitions. [2024-11-23 23:02:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:02:02,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 131 [2024-11-23 23:02:02,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:02,270 INFO L225 Difference]: With dead ends: 160 [2024-11-23 23:02:02,270 INFO L226 Difference]: Without dead ends: 109 [2024-11-23 23:02:02,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:02:02,273 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 46 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:02,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 221 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 23:02:02,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-23 23:02:02,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2024-11-23 23:02:02,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 states have internal predecessors, (55), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:02:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 139 transitions. [2024-11-23 23:02:02,324 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 139 transitions. Word has length 131 [2024-11-23 23:02:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:02,325 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 139 transitions. [2024-11-23 23:02:02,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-23 23:02:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2024-11-23 23:02:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:02:02,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:02,328 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:02,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:02:02,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:02:02,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:02,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:02,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1691837682, now seen corresponding path program 1 times [2024-11-23 23:02:02,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:02:02,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782193328] [2024-11-23 23:02:02,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:02,534 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 [2024-11-23 23:02:02,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:02:02,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:02:02,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:02:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:03,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 23:02:03,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:02:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-23 23:02:03,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:02:04,736 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-23 23:02:04,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:02:04,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782193328] [2024-11-23 23:02:04,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782193328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:02:04,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:02:04,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-23 23:02:04,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468775150] [2024-11-23 23:02:04,738 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:02:04,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:02:04,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:02:04,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:02:04,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:02:04,741 INFO L87 Difference]: Start difference. First operand 94 states and 139 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 23:02:08,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:08,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:08,852 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2024-11-23 23:02:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:02:08,893 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 131 [2024-11-23 23:02:08,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:08,895 INFO L225 Difference]: With dead ends: 157 [2024-11-23 23:02:08,896 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 23:02:08,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:02:08,898 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 105 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:08,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 103 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-23 23:02:08,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 23:02:08,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-23 23:02:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 55 states have internal predecessors, (60), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-23 23:02:08,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2024-11-23 23:02:08,929 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 131 [2024-11-23 23:02:08,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:08,930 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2024-11-23 23:02:08,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 23:02:08,930 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-23 23:02:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:02:08,933 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:08,933 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:08,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:02:09,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:02:09,134 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:09,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:09,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1689990640, now seen corresponding path program 1 times [2024-11-23 23:02:09,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:02:09,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137630197] [2024-11-23 23:02:09,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:09,136 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 [2024-11-23 23:02:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:02:09,142 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:02:09,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513cc710-b931-4f29-bb80-0ff42803c041/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:02:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:09,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 23:02:09,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:02:32,357 WARN L286 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 23:02:58,037 WARN L286 SmtUtils]: Spent 10.14s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)