./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:25:26,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:25:26,384 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:25:26,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:25:26,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:25:26,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:25:26,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:25:26,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:25:26,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:25:26,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:25:26,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:25:26,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:25:26,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:25:26,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:25:26,449 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:25:26,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:25:26,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:25:26,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:25:26,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:25:26,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:25:26,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:25:26,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:25:26,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:25:26,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:25:26,451 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:25:26,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:25:26,451 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:25:26,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:25:26,451 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:25:26,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:25:26,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:25:26,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:25:26,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:25:26,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:25:26,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:25:26,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:25:26,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:25:26,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:25:26,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:25:26,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:25:26,453 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:25:26,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:25:26,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:25:26,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:25:26,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:25:26,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:25:26,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:25:26,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:25:26,455 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_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a [2024-11-28 05:25:26,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:25:26,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:25:26,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:25:26,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:25:26,878 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:25:26,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-11-28 05:25:30,478 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data/24e8c3621/bcf1aa781d7e438b9ee954c962670ebd/FLAG60d21babf [2024-11-28 05:25:30,791 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:25:30,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-11-28 05:25:30,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data/24e8c3621/bcf1aa781d7e438b9ee954c962670ebd/FLAG60d21babf [2024-11-28 05:25:30,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data/24e8c3621/bcf1aa781d7e438b9ee954c962670ebd [2024-11-28 05:25:30,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:25:30,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:25:30,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:25:30,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:25:30,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:25:30,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:30" (1/1) ... [2024-11-28 05:25:30,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ed0054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:30, skipping insertion in model container [2024-11-28 05:25:30,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:30" (1/1) ... [2024-11-28 05:25:30,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:25:31,114 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_10792779-6876-4ce9-9b38-ffe0246aac9c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-11-28 05:25:31,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:25:31,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:25:31,230 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_10792779-6876-4ce9-9b38-ffe0246aac9c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-11-28 05:25:31,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:25:31,287 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:25:31,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31 WrapperNode [2024-11-28 05:25:31,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:25:31,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:25:31,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:25:31,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:25:31,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,349 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-28 05:25:31,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:25:31,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:25:31,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:25:31,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:25:31,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,400 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 05:25:31,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,411 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:25:31,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:25:31,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:25:31,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:25:31,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (1/1) ... [2024-11-28 05:25:31,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:25:31,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:25:31,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:25:31,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:25:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:25:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:25:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:25:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:25:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:25:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:25:31,644 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:25:31,646 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:25:32,130 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 05:25:32,130 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:25:32,143 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:25:32,143 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:25:32,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:32 BoogieIcfgContainer [2024-11-28 05:25:32,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:25:32,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:25:32,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:25:32,154 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:25:32,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:30" (1/3) ... [2024-11-28 05:25:32,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c4b913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:32, skipping insertion in model container [2024-11-28 05:25:32,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:31" (2/3) ... [2024-11-28 05:25:32,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c4b913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:32, skipping insertion in model container [2024-11-28 05:25:32,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:32" (3/3) ... [2024-11-28 05:25:32,157 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-40.i [2024-11-28 05:25:32,178 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:25:32,180 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-40.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:25:32,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:25:32,269 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;@6410e5e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:25:32,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:25:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 05:25:32,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:32,289 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:32,289 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:32,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:32,296 INFO L85 PathProgramCache]: Analyzing trace with hash -361794192, now seen corresponding path program 1 times [2024-11-28 05:25:32,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:32,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159813191] [2024-11-28 05:25:32,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:32,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 05:25:32,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:32,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159813191] [2024-11-28 05:25:32,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159813191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:25:32,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539870080] [2024-11-28 05:25:32,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:32,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:25:32,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:25:32,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:25:32,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:25:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:32,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:25:33,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 05:25:33,065 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:25:33,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539870080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:33,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:25:33,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:25:33,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348262444] [2024-11-28 05:25:33,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:33,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:25:33,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:33,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:25:33,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:25:33,105 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:33,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:33,168 INFO L93 Difference]: Finished difference Result 121 states and 207 transitions. [2024-11-28 05:25:33,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:25:33,172 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-11-28 05:25:33,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:33,183 INFO L225 Difference]: With dead ends: 121 [2024-11-28 05:25:33,183 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 05:25:33,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:25:33,195 INFO L435 NwaCegarLoop]: 90 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, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:33,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:25:33,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 05:25:33,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 05:25:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-11-28 05:25:33,268 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 121 [2024-11-28 05:25:33,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:33,269 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-11-28 05:25:33,269 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-11-28 05:25:33,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 05:25:33,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:33,275 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:33,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:25:33,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:25:33,477 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:33,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:33,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1774031446, now seen corresponding path program 1 times [2024-11-28 05:25:33,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:33,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919534396] [2024-11-28 05:25:33,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:33,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 05:25:34,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:34,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919534396] [2024-11-28 05:25:34,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919534396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:34,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:34,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:25:34,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166671398] [2024-11-28 05:25:34,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:34,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:25:34,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:34,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:25:34,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:25:34,146 INFO L87 Difference]: Start difference. First operand 60 states and 90 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 05:25:34,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:34,247 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2024-11-28 05:25:34,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:25:34,248 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 121 [2024-11-28 05:25:34,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:34,251 INFO L225 Difference]: With dead ends: 136 [2024-11-28 05:25:34,251 INFO L226 Difference]: Without dead ends: 79 [2024-11-28 05:25:34,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:25:34,253 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 23 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:34,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 264 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:25:34,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-28 05:25:34,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 67. [2024-11-28 05:25:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2024-11-28 05:25:34,276 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 121 [2024-11-28 05:25:34,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:34,282 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2024-11-28 05:25:34,282 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 05:25:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-11-28 05:25:34,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 05:25:34,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:34,285 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:34,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:25:34,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:34,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:34,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1925075857, now seen corresponding path program 1 times [2024-11-28 05:25:34,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:34,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853838729] [2024-11-28 05:25:34,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:34,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 05:25:34,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:34,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853838729] [2024-11-28 05:25:34,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853838729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:34,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:34,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:25:34,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272786954] [2024-11-28 05:25:34,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:34,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:25:34,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:34,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:25:34,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:25:34,743 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 05:25:34,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:34,927 INFO L93 Difference]: Finished difference Result 186 states and 275 transitions. [2024-11-28 05:25:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:25:34,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 122 [2024-11-28 05:25:34,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:34,932 INFO L225 Difference]: With dead ends: 186 [2024-11-28 05:25:34,932 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 05:25:34,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:25:34,936 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 56 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:34,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 374 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:25:34,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 05:25:34,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 93. [2024-11-28 05:25:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 70 states have internal predecessors, (94), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 05:25:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 136 transitions. [2024-11-28 05:25:34,959 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 136 transitions. Word has length 122 [2024-11-28 05:25:34,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:34,961 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 136 transitions. [2024-11-28 05:25:34,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 05:25:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2024-11-28 05:25:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 05:25:34,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:34,966 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:34,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:25:34,966 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:34,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:34,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1338269843, now seen corresponding path program 1 times [2024-11-28 05:25:34,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:34,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443657741] [2024-11-28 05:25:34,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:34,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:25:35,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532506435] [2024-11-28 05:25:35,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:35,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:25:35,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:25:35,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:25:35,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:25:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:25:35,209 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:25:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:25:35,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:25:35,340 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:25:35,341 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:25:35,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:25:35,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:25:35,546 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 05:25:35,657 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:25:35,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:35 BoogieIcfgContainer [2024-11-28 05:25:35,661 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:25:35,662 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:25:35,662 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:25:35,662 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:25:35,663 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:32" (3/4) ... [2024-11-28 05:25:35,665 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:25:35,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:25:35,667 INFO L158 Benchmark]: Toolchain (without parser) took 4835.89ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 42.2MB in the end (delta: 74.5MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2024-11-28 05:25:35,668 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:35,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.96ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:25:35,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.49ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:35,669 INFO L158 Benchmark]: Boogie Preprocessor took 87.79ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 98.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:35,669 INFO L158 Benchmark]: RCFGBuilder took 701.53ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 81.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:25:35,669 INFO L158 Benchmark]: TraceAbstraction took 3514.35ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 42.2MB in the end (delta: 38.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-28 05:25:35,670 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 142.6MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:35,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.96ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.49ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.79ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 98.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 701.53ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 81.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3514.35ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 42.2MB in the end (delta: 38.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 142.6MB. Free memory was 42.2MB in the beginning and 42.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 64; [L26] signed long int var_1_8 = -2; [L27] signed long int var_1_9 = -10; [L28] unsigned char var_1_11 = 128; [L29] unsigned char var_1_12 = 1; [L30] double var_1_13 = 8.4; [L31] double var_1_15 = 49.75; [L32] signed char var_1_16 = -2; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = -5; [L35] float var_1_19 = 7.5; [L36] signed short int var_1_20 = 1; [L37] signed short int var_1_21 = -256; [L38] double last_1_var_1_13 = 8.4; VAL [isInitial=0, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L104] isInitial = 1 [L105] FCALL initially() [L107] CALL updateLastVariables() [L97] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L107] RET updateLastVariables() [L108] 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_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [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_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L73] var_1_8 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L74] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L77] var_1_9 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L78] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L81] var_1_11 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_11 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L82] RET assume_abort_if_not(var_1_11 >= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L88] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L89] var_1_17 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L90] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L92] var_1_18 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L93] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L108] RET updateVariables() [L109] CALL step() [L42] COND TRUE \read(var_1_3) [L43] var_1_16 = ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L45] var_1_19 = var_1_15 [L46] var_1_20 = var_1_16 [L47] var_1_21 = var_1_18 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L48] COND TRUE \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L49] COND FALSE !(var_1_3 && (var_1_19 <= (- 63.9f))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] EXPR var_1_21 | var_1_16 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] COND TRUE ((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16) [L58] var_1_7 = (var_1_11 - var_1_12) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L62] COND TRUE var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19))) [L63] var_1_13 = (var_1_15 + (127.4 - 8.25)) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR (var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L100-L101] return ((((((var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12)))) && ((var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19)))) ? (var_1_13 == ((double) (var_1_15 + (127.4 - 8.25)))) : 1)) && (var_1_3 ? (var_1_16 == ((signed char) ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))))) : 1)) && (var_1_19 == ((float) var_1_15))) && (var_1_20 == ((signed short int) var_1_16))) && (var_1_21 == ((signed short int) var_1_18)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 430 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 298 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 729 NumberOfCodeBlocks, 729 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 279 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2700/2736 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 05:25:35,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:25:38,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:25:38,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:25:38,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:25:38,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:25:38,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:25:38,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:25:38,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:25:38,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:25:38,903 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:25:38,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:25:38,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:25:38,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:25:38,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:25:38,904 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:25:38,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:25:38,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:25:38,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:25:38,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:25:38,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:25:38,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:25:38,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:25:38,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:25:38,905 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:25:38,905 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:25:38,906 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:25:38,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:25:38,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:25:38,906 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:25:38,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:25:38,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:25:38,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:25:38,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:25:38,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:25:38,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:25:38,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:25:38,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:25:38,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:25:38,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:25:38,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:25:38,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:25:38,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:25:38,912 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:25:38,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:25:38,912 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:25:38,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:25:38,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:25:38,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:25:38,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:25:38,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:25:38,913 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_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a [2024-11-28 05:25:39,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:25:39,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:25:39,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:25:39,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:25:39,348 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:25:39,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-11-28 05:25:43,074 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data/786224a88/feba83713bb64031a30dc44eb4b1c6b9/FLAG5647f6fbc [2024-11-28 05:25:43,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:25:43,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-11-28 05:25:43,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data/786224a88/feba83713bb64031a30dc44eb4b1c6b9/FLAG5647f6fbc [2024-11-28 05:25:43,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/data/786224a88/feba83713bb64031a30dc44eb4b1c6b9 [2024-11-28 05:25:43,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:25:43,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:25:43,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:25:43,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:25:43,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:25:43,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:43" (1/1) ... [2024-11-28 05:25:43,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0bebdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:43, skipping insertion in model container [2024-11-28 05:25:43,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:43" (1/1) ... [2024-11-28 05:25:43,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:25:43,795 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_10792779-6876-4ce9-9b38-ffe0246aac9c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-11-28 05:25:43,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:25:43,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:25:43,925 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_10792779-6876-4ce9-9b38-ffe0246aac9c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-11-28 05:25:43,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:25:43,999 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:25:44,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44 WrapperNode [2024-11-28 05:25:44,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:25:44,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:25:44,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:25:44,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:25:44,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,079 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-28 05:25:44,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:25:44,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:25:44,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:25:44,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:25:44,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,142 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 05:25:44,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,154 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:25:44,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:25:44,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:25:44,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:25:44,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:25:44,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:25:44,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:25:44,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:25:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:25:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:25:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:25:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:25:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:25:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:25:44,357 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:25:44,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:25:48,551 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 05:25:48,551 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:25:48,564 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:25:48,565 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:25:48,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:48 BoogieIcfgContainer [2024-11-28 05:25:48,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:25:48,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:25:48,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:25:48,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:25:48,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:43" (1/3) ... [2024-11-28 05:25:48,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1a4f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:48, skipping insertion in model container [2024-11-28 05:25:48,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (2/3) ... [2024-11-28 05:25:48,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1a4f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:48, skipping insertion in model container [2024-11-28 05:25:48,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:48" (3/3) ... [2024-11-28 05:25:48,580 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-40.i [2024-11-28 05:25:48,599 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:25:48,601 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-40.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:25:48,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:25:48,709 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;@7d00196b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:25:48,709 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:25:48,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 05:25:48,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:48,733 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:48,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:48,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:48,744 INFO L85 PathProgramCache]: Analyzing trace with hash -261305118, now seen corresponding path program 1 times [2024-11-28 05:25:48,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:48,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109938119] [2024-11-28 05:25:48,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:48,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:25:48,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:48,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 05:25:48,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 05:25:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:49,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:25:49,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-28 05:25:49,352 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:25:49,352 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:25:49,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109938119] [2024-11-28 05:25:49,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109938119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:49,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:49,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:25:49,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844466986] [2024-11-28 05:25:49,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:49,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:25:49,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:25:49,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:25:49,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:25:49,391 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:49,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:49,428 INFO L93 Difference]: Finished difference Result 103 states and 179 transitions. [2024-11-28 05:25:49,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:25:49,431 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2024-11-28 05:25:49,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:49,438 INFO L225 Difference]: With dead ends: 103 [2024-11-28 05:25:49,438 INFO L226 Difference]: Without dead ends: 51 [2024-11-28 05:25:49,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:25:49,446 INFO L435 NwaCegarLoop]: 76 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, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:49,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:25:49,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-28 05:25:49,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-28 05:25:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:25:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 76 transitions. [2024-11-28 05:25:49,494 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 76 transitions. Word has length 118 [2024-11-28 05:25:49,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:49,495 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 76 transitions. [2024-11-28 05:25:49,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 05:25:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2024-11-28 05:25:49,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 05:25:49,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:49,499 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:25:49,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 05:25:49,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:25:49,700 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:49,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:49,701 INFO L85 PathProgramCache]: Analyzing trace with hash -88781080, now seen corresponding path program 1 times [2024-11-28 05:25:49,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:49,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428429178] [2024-11-28 05:25:49,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:49,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 05:25:49,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:49,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 05:25:49,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10792779-6876-4ce9-9b38-ffe0246aac9c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 05:25:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:50,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:25:50,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:27:13,332 WARN L286 SmtUtils]: Spent 18.74s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:28:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-28 05:28:35,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:30:00,596 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 05:36:41,567 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 05:39:27,951 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)