./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.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_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51f41c82328a7c1c95cfe78feec09676aa10ab705ad15ff75bf75be08682960b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:46:32,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:46:32,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:46:32,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:46:32,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:46:32,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:46:32,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:46:32,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:46:32,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:46:32,879 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:46:32,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:46:32,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:46:32,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:46:32,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:46:32,880 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:46:32,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:46:32,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:46:32,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:46:32,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:46:32,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:46:32,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:46:32,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:46:32,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:46:32,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:46:32,881 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:46:32,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:46:32,882 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:46:32,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:46:32,882 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:46:32,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:46:32,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:46:32,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:46:32,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:46:32,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:46:32,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:46:32,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:46:32,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:46:32,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:46:32,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:46:32,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:46:32,883 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:46:32,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:46:32,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:46:32,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:46:32,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:46:32,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:46:32,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:46:32,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:46:32,884 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_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51f41c82328a7c1c95cfe78feec09676aa10ab705ad15ff75bf75be08682960b [2024-12-02 15:46:33,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:46:33,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:46:33,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:46:33,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:46:33,150 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:46:33,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i [2024-12-02 15:46:35,800 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data/805209543/810bc0a4751942ac8490d3b96f69cced/FLAGb80e23f27 [2024-12-02 15:46:35,994 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:46:35,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i [2024-12-02 15:46:36,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data/805209543/810bc0a4751942ac8490d3b96f69cced/FLAGb80e23f27 [2024-12-02 15:46:36,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data/805209543/810bc0a4751942ac8490d3b96f69cced [2024-12-02 15:46:36,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:46:36,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:46:36,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:46:36,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:46:36,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:46:36,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573580c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36, skipping insertion in model container [2024-12-02 15:46:36,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:46:36,174 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_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i[913,926] [2024-12-02 15:46:36,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:46:36,223 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:46:36,233 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_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i[913,926] [2024-12-02 15:46:36,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:46:36,267 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:46:36,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36 WrapperNode [2024-12-02 15:46:36,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:46:36,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:46:36,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:46:36,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:46:36,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,306 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-12-02 15:46:36,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:46:36,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:46:36,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:46:36,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:46:36,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,317 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,330 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 15:46:36,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:46:36,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:46:36,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:46:36,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:46:36,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (1/1) ... [2024-12-02 15:46:36,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:46:36,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:46:36,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:46:36,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:46:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:46:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:46:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:46:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:46:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:46:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:46:36,462 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:46:36,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:46:36,679 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 15:46:36,679 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:46:36,688 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:46:36,688 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:46:36,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:46:36 BoogieIcfgContainer [2024-12-02 15:46:36,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:46:36,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:46:36,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:46:36,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:46:36,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:46:36" (1/3) ... [2024-12-02 15:46:36,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d06607d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:46:36, skipping insertion in model container [2024-12-02 15:46:36,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:36" (2/3) ... [2024-12-02 15:46:36,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d06607d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:46:36, skipping insertion in model container [2024-12-02 15:46:36,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:46:36" (3/3) ... [2024-12-02 15:46:36,699 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-22.i [2024-12-02 15:46:36,714 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:46:36,716 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-22.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:46:36,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:46:36,778 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;@20cba9db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:46:36,778 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:46:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 39 states have internal predecessors, (55), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:46:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-02 15:46:36,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:36,790 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:36,790 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:46:36,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:36,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1292848247, now seen corresponding path program 1 times [2024-12-02 15:46:36,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:36,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761424001] [2024-12-02 15:46:36,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:36,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:46:37,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:37,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761424001] [2024-12-02 15:46:37,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761424001] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:37,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:37,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:46:37,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589723182] [2024-12-02 15:46:37,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:37,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:46:37,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:37,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:46:37,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:46:37,583 INFO L87 Difference]: Start difference. First operand has 50 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 39 states have internal predecessors, (55), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:46:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:37,966 INFO L93 Difference]: Finished difference Result 197 states and 330 transitions. [2024-12-02 15:46:37,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:46:37,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67 [2024-12-02 15:46:37,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:37,976 INFO L225 Difference]: With dead ends: 197 [2024-12-02 15:46:37,976 INFO L226 Difference]: Without dead ends: 150 [2024-12-02 15:46:37,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:46:37,982 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 203 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:37,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 239 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:46:37,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-12-02 15:46:38,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 107. [2024-12-02 15:46:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 76 states have (on average 1.2894736842105263) internal successors, (98), 76 states have internal predecessors, (98), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:46:38,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 152 transitions. [2024-12-02 15:46:38,041 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 152 transitions. Word has length 67 [2024-12-02 15:46:38,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:38,041 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 152 transitions. [2024-12-02 15:46:38,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:46:38,042 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 152 transitions. [2024-12-02 15:46:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-02 15:46:38,044 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:38,044 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:38,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:46:38,045 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:46:38,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:38,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1227111687, now seen corresponding path program 1 times [2024-12-02 15:46:38,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:38,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281766514] [2024-12-02 15:46:38,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:38,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:46:38,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:38,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281766514] [2024-12-02 15:46:38,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281766514] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:38,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:38,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:46:38,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170953972] [2024-12-02 15:46:38,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:38,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:46:38,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:38,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:46:38,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:46:38,331 INFO L87 Difference]: Start difference. First operand 107 states and 152 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:46:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:38,639 INFO L93 Difference]: Finished difference Result 230 states and 327 transitions. [2024-12-02 15:46:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:46:38,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67 [2024-12-02 15:46:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:38,642 INFO L225 Difference]: With dead ends: 230 [2024-12-02 15:46:38,642 INFO L226 Difference]: Without dead ends: 148 [2024-12-02 15:46:38,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:46:38,643 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 97 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:38,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 140 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:46:38,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-12-02 15:46:38,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 117. [2024-12-02 15:46:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 86 states have (on average 1.302325581395349) internal successors, (112), 86 states have internal predecessors, (112), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:46:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 166 transitions. [2024-12-02 15:46:38,665 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 166 transitions. Word has length 67 [2024-12-02 15:46:38,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:38,665 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 166 transitions. [2024-12-02 15:46:38,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:46:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 166 transitions. [2024-12-02 15:46:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-02 15:46:38,667 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:38,667 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:38,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:46:38,668 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:46:38,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:38,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1291650166, now seen corresponding path program 1 times [2024-12-02 15:46:38,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:38,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637363889] [2024-12-02 15:46:38,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:38,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:46:38,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:38,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637363889] [2024-12-02 15:46:38,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637363889] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:38,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:38,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:46:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030889945] [2024-12-02 15:46:38,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:38,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:46:38,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:38,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:46:38,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:46:38,991 INFO L87 Difference]: Start difference. First operand 117 states and 166 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:46:39,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:39,247 INFO L93 Difference]: Finished difference Result 236 states and 334 transitions. [2024-12-02 15:46:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:46:39,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 68 [2024-12-02 15:46:39,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:39,250 INFO L225 Difference]: With dead ends: 236 [2024-12-02 15:46:39,250 INFO L226 Difference]: Without dead ends: 148 [2024-12-02 15:46:39,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:46:39,251 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 75 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:39,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 157 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:46:39,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-12-02 15:46:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 118. [2024-12-02 15:46:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 87 states have internal predecessors, (112), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 15:46:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2024-12-02 15:46:39,275 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 68 [2024-12-02 15:46:39,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:39,276 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2024-12-02 15:46:39,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:46:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2024-12-02 15:46:39,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-02 15:46:39,278 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:39,278 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:39,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:46:39,278 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:46:39,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:39,279 INFO L85 PathProgramCache]: Analyzing trace with hash -71324776, now seen corresponding path program 1 times [2024-12-02 15:46:39,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:39,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737406034] [2024-12-02 15:46:39,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:39,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:46:40,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:40,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737406034] [2024-12-02 15:46:40,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737406034] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:40,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:40,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:46:40,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949972032] [2024-12-02 15:46:40,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:40,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:46:40,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:40,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:46:40,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:46:40,431 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:46:41,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:41,271 INFO L93 Difference]: Finished difference Result 351 states and 486 transitions. [2024-12-02 15:46:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:46:41,272 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68 [2024-12-02 15:46:41,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:41,274 INFO L225 Difference]: With dead ends: 351 [2024-12-02 15:46:41,274 INFO L226 Difference]: Without dead ends: 309 [2024-12-02 15:46:41,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:46:41,275 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 188 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:41,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 287 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:46:41,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-12-02 15:46:41,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 236. [2024-12-02 15:46:41,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 182 states have (on average 1.3186813186813187) internal successors, (240), 183 states have internal predecessors, (240), 47 states have call successors, (47), 6 states have call predecessors, (47), 6 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-12-02 15:46:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 334 transitions. [2024-12-02 15:46:41,309 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 334 transitions. Word has length 68 [2024-12-02 15:46:41,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:41,309 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 334 transitions. [2024-12-02 15:46:41,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 15:46:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 334 transitions. [2024-12-02 15:46:41,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-02 15:46:41,310 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:41,310 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:41,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:46:41,311 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:46:41,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:41,311 INFO L85 PathProgramCache]: Analyzing trace with hash 629739802, now seen corresponding path program 1 times [2024-12-02 15:46:41,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:41,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486457036] [2024-12-02 15:46:41,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:41,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 15:46:41,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:41,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486457036] [2024-12-02 15:46:41,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486457036] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:41,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:41,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:46:41,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126684776] [2024-12-02 15:46:41,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:41,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:46:41,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:41,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:46:41,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:46:41,369 INFO L87 Difference]: Start difference. First operand 236 states and 334 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:46:41,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:41,404 INFO L93 Difference]: Finished difference Result 417 states and 591 transitions. [2024-12-02 15:46:41,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:46:41,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 68 [2024-12-02 15:46:41,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:41,408 INFO L225 Difference]: With dead ends: 417 [2024-12-02 15:46:41,408 INFO L226 Difference]: Without dead ends: 222 [2024-12-02 15:46:41,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:46:41,410 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:41,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 116 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:46:41,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-12-02 15:46:41,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 156. [2024-12-02 15:46:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 123 states have internal predecessors, (158), 29 states have call successors, (29), 4 states have call predecessors, (29), 4 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-12-02 15:46:41,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 216 transitions. [2024-12-02 15:46:41,433 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 216 transitions. Word has length 68 [2024-12-02 15:46:41,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:41,434 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 216 transitions. [2024-12-02 15:46:41,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-12-02 15:46:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 216 transitions. [2024-12-02 15:46:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-02 15:46:41,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:41,435 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:41,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:46:41,435 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:46:41,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:41,436 INFO L85 PathProgramCache]: Analyzing trace with hash -2130020374, now seen corresponding path program 1 times [2024-12-02 15:46:41,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:41,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670111179] [2024-12-02 15:46:41,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:41,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:46:41,488 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:46:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:46:41,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:46:41,555 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:46:41,556 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:46:41,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:46:41,561 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 15:46:41,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:46:41,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:46:41 BoogieIcfgContainer [2024-12-02 15:46:41,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:46:41,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:46:41,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:46:41,605 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:46:41,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:46:36" (3/4) ... [2024-12-02 15:46:41,608 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:46:41,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:46:41,609 INFO L158 Benchmark]: Toolchain (without parser) took 5588.03ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 115.8MB in the beginning and 108.3MB in the end (delta: 7.5MB). Peak memory consumption was 165.0MB. Max. memory is 16.1GB. [2024-12-02 15:46:41,610 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:46:41,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.69ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 102.7MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:46:41,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.31ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:46:41,610 INFO L158 Benchmark]: Boogie Preprocessor took 37.75ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 97.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:46:41,611 INFO L158 Benchmark]: RCFGBuilder took 344.18ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 80.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:46:41,611 INFO L158 Benchmark]: TraceAbstraction took 4912.77ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 80.2MB in the beginning and 108.3MB in the end (delta: -28.1MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. [2024-12-02 15:46:41,611 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 302.0MB. Free memory was 108.3MB in the beginning and 108.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:46:41,613 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.69ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 102.7MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.31ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.75ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 97.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.18ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 80.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4912.77ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 80.2MB in the beginning and 108.3MB in the end (delta: -28.1MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 302.0MB. Free memory was 108.3MB in the beginning and 108.3MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of bitwiseAnd at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 44772; [L26] float var_1_7 = 5.9; [L27] float var_1_8 = 7.6; [L28] float var_1_9 = 64.2; [L29] float var_1_10 = 128.75; [L30] unsigned long int var_1_11 = 8; [L31] unsigned long int var_1_12 = 3135928546; [L32] signed short int last_1_var_1_1 = -5; [L33] unsigned long int last_1_var_1_11 = 8; VAL [isInitial=0, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=0, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L91] isInitial = 1 [L92] FCALL initially() [L94] CALL updateLastVariables() [L83] last_1_var_1_1 = var_1_1 [L84] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=0, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L94] RET updateLastVariables() [L95] CALL updateVariables() [L66] var_1_4 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L67] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L68] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L68] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L69] var_1_6 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L70] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L71] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L71] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L72] var_1_8 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_9=321/5] [L73] RET assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10, var_1_9=321/5] [L74] var_1_9 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L75] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L76] var_1_10 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L77] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L78] var_1_12 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L79] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L80] CALL assume_abort_if_not(var_1_12 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L80] RET assume_abort_if_not(var_1_12 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L95] RET updateVariables() [L96] CALL step() [L37] signed long int stepLocal_0 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=32767, var_1_7=59/10] [L38] COND TRUE \read(var_1_4) [L39] var_1_5 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-5, var_1_4=1, var_1_5=-5, var_1_6=32767, var_1_7=59/10] [L45] COND TRUE var_1_5 == var_1_5 [L46] var_1_1 = (var_1_5 + -16) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767, var_1_7=59/10] [L52] EXPR var_1_5 & last_1_var_1_11 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767, var_1_7=59/10] [L52] COND TRUE last_1_var_1_11 >= (var_1_5 & last_1_var_1_11) [L53] var_1_11 = ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767, var_1_7=59/10] [L61] COND TRUE var_1_1 < var_1_5 [L62] var_1_7 = (((10.25f + var_1_8) + var_1_9) + var_1_10) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR ((((var_1_5 == var_1_5) ? (var_1_1 == ((signed short int) (var_1_5 + -16))) : (var_1_4 ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && (var_1_4 ? (var_1_5 == ((unsigned short int) last_1_var_1_1)) : ((last_1_var_1_1 <= last_1_var_1_1) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_11) > ((var_1_6 - 8))) ? (last_1_var_1_11) : ((var_1_6 - 8)))))) : 1))) && ((var_1_1 < var_1_5) ? (var_1_7 == ((float) (((10.25f + var_1_8) + var_1_9) + var_1_10))) : 1)) && ((last_1_var_1_11 >= (var_1_5 & last_1_var_1_11)) ? (var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))))) : ((5.7 < var_1_9) ? (var_1_11 == ((unsigned long int) last_1_var_1_11)) : (var_1_11 == ((unsigned long int) last_1_var_1_11)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767] [L87-L88] return ((((var_1_5 == var_1_5) ? (var_1_1 == ((signed short int) (var_1_5 + -16))) : (var_1_4 ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && (var_1_4 ? (var_1_5 == ((unsigned short int) last_1_var_1_1)) : ((last_1_var_1_1 <= last_1_var_1_1) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_11) > ((var_1_6 - 8))) ? (last_1_var_1_11) : ((var_1_6 - 8)))))) : 1))) && ((var_1_1 < var_1_5) ? (var_1_7 == ((float) (((10.25f + var_1_8) + var_1_9) + var_1_10))) : 1)) && ((last_1_var_1_11 >= (var_1_5 & last_1_var_1_11)) ? (var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))))) : ((5.7 < var_1_9) ? (var_1_11 == ((unsigned long int) last_1_var_1_11)) : (var_1_11 == ((unsigned long int) last_1_var_1_11)))) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=2147483647, var_1_1=-21, var_1_4=1, var_1_5=-5, var_1_6=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 6, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 576 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 576 mSDsluCounter, 939 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 605 mSDsCounter, 188 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 633 IncrementalHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 188 mSolverCounterUnsat, 334 mSDtfsCounter, 633 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=4, InterpolantAutomatonStates: 31, 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, 5 MinimizatonAttempts, 243 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 1566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 720/720 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 15:46:41,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/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_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51f41c82328a7c1c95cfe78feec09676aa10ab705ad15ff75bf75be08682960b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:46:43,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:46:43,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:46:43,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:46:43,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:46:43,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:46:43,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:46:43,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:46:43,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:46:43,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:46:43,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:46:43,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:46:43,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:46:43,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:46:43,782 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:46:43,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:46:43,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:46:43,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:46:43,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:46:43,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:46:43,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:46:43,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:46:43,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:46:43,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:46:43,784 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:46:43,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:46:43,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:46:43,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:46:43,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:46:43,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:46:43,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:46:43,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:46:43,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:46:43,785 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:46:43,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:46:43,785 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:46:43,786 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:46:43,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:46:43,786 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:46:43,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:46:43,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:46:43,786 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_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51f41c82328a7c1c95cfe78feec09676aa10ab705ad15ff75bf75be08682960b [2024-12-02 15:46:44,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:46:44,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:46:44,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:46:44,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:46:44,038 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:46:44,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i [2024-12-02 15:46:46,797 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data/8bb0ecfc8/2128f73342684dab99c7dc019152769b/FLAG05f93b200 [2024-12-02 15:46:46,993 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:46:46,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i [2024-12-02 15:46:47,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data/8bb0ecfc8/2128f73342684dab99c7dc019152769b/FLAG05f93b200 [2024-12-02 15:46:47,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/data/8bb0ecfc8/2128f73342684dab99c7dc019152769b [2024-12-02 15:46:47,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:46:47,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:46:47,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:46:47,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:46:47,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:46:47,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5c7a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47, skipping insertion in model container [2024-12-02 15:46:47,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:46:47,486 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_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i[913,926] [2024-12-02 15:46:47,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:46:47,535 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:46:47,542 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_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-22.i[913,926] [2024-12-02 15:46:47,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:46:47,573 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:46:47,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47 WrapperNode [2024-12-02 15:46:47,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:46:47,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:46:47,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:46:47,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:46:47,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,605 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-12-02 15:46:47,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:46:47,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:46:47,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:46:47,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:46:47,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,625 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 15:46:47,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,630 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:46:47,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:46:47,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:46:47,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:46:47,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (1/1) ... [2024-12-02 15:46:47,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:46:47,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:46:47,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:46:47,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:46:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:46:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:46:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:46:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:46:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:46:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:46:47,749 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:46:47,750 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:46:49,061 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 15:46:49,061 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:46:49,070 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:46:49,070 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:46:49,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:46:49 BoogieIcfgContainer [2024-12-02 15:46:49,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:46:49,073 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:46:49,073 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:46:49,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:46:49,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:46:47" (1/3) ... [2024-12-02 15:46:49,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e13dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:46:49, skipping insertion in model container [2024-12-02 15:46:49,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:46:47" (2/3) ... [2024-12-02 15:46:49,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e13dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:46:49, skipping insertion in model container [2024-12-02 15:46:49,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:46:49" (3/3) ... [2024-12-02 15:46:49,080 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-22.i [2024-12-02 15:46:49,091 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:46:49,092 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-22.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:46:49,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:46:49,137 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;@16fecf3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:46:49,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:46:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:46:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-02 15:46:49,148 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:49,148 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:49,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:46:49,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:49,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1139230559, now seen corresponding path program 1 times [2024-12-02 15:46:49,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:46:49,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662717719] [2024-12-02 15:46:49,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:49,164 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:46:49,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:46:49,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:46:49,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce0852d-207b-4d5f-9f8e-0cf443c0c98a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 15:46:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:49,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 15:46:49,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:47:45,308 WARN L286 SmtUtils]: Spent 13.80s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)