./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9a450555877b28033d09a5f84176dfa3dbe8a5a81fc1d86d82c451af47112ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:25:05,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:25:05,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:25:05,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:25:05,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:25:05,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:25:05,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:25:05,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:25:05,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:25:05,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:25:05,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:25:05,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:25:05,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:25:05,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:25:05,564 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:25:05,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:25:05,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:25:05,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:25:05,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:25:05,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:25:05,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:25:05,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:25:05,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:25:05,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:25:05,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:25:05,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:25:05,566 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:25:05,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:25:05,566 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:25:05,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:25:05,567 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:25:05,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:25:05,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:25:05,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:25:05,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:25:05,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:25:05,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:25:05,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:25:05,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:25:05,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:25:05,568 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:25:05,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:25:05,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:25:05,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:25:05,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:25:05,569 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:25:05,569 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:25:05,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:25:05,569 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_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a450555877b28033d09a5f84176dfa3dbe8a5a81fc1d86d82c451af47112ce [2024-11-24 01:25:05,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:25:05,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:25:05,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:25:05,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:25:05,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:25:05,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i [2024-11-24 01:25:09,091 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data/3f916b21f/c2a1fce3e7b5436d9fa827cdc361fac2/FLAG78589f46b [2024-11-24 01:25:09,445 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:25:09,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i [2024-11-24 01:25:09,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data/3f916b21f/c2a1fce3e7b5436d9fa827cdc361fac2/FLAG78589f46b [2024-11-24 01:25:09,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data/3f916b21f/c2a1fce3e7b5436d9fa827cdc361fac2 [2024-11-24 01:25:09,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:25:09,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:25:09,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:25:09,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:25:09,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:25:09,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:09,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24eef39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09, skipping insertion in model container [2024-11-24 01:25:09,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:09,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:25:09,725 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_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i[913,926] [2024-11-24 01:25:09,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:25:09,822 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:25:09,837 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_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i[913,926] [2024-11-24 01:25:09,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:25:09,907 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:25:09,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09 WrapperNode [2024-11-24 01:25:09,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:25:09,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:25:09,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:25:09,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:25:09,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:09,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:09,980 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-24 01:25:09,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:25:09,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:25:09,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:25:09,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:25:09,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:09,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:09,998 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:10,017 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:25:10,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:10,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:10,028 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:10,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:10,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:10,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:10,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:10,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:25:10,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:25:10,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:25:10,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:25:10,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (1/1) ... [2024-11-24 01:25:10,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:25:10,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:25:10,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:25:10,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:25:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:25:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:25:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:25:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:25:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:25:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:25:10,248 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:25:10,250 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:25:10,704 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-24 01:25:10,704 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:25:10,718 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:25:10,718 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:25:10,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:25:10 BoogieIcfgContainer [2024-11-24 01:25:10,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:25:10,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:25:10,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:25:10,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:25:10,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:25:09" (1/3) ... [2024-11-24 01:25:10,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c8425e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:25:10, skipping insertion in model container [2024-11-24 01:25:10,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:09" (2/3) ... [2024-11-24 01:25:10,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c8425e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:25:10, skipping insertion in model container [2024-11-24 01:25:10,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:25:10" (3/3) ... [2024-11-24 01:25:10,730 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-82.i [2024-11-24 01:25:10,747 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:25:10,749 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-82.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:25:10,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:25:10,854 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;@51d86c92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:25:10,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:25:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 01:25:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-24 01:25:10,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:10,874 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:10,875 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:10,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:10,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1911187605, now seen corresponding path program 1 times [2024-11-24 01:25:10,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:25:10,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638429182] [2024-11-24 01:25:10,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:25:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:11,198 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-24 01:25:11,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:25:11,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638429182] [2024-11-24 01:25:11,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638429182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:25:11,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042606385] [2024-11-24 01:25:11,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:25:11,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:25:11,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:25:11,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:25:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:11,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:25:11,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:25:11,455 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-24 01:25:11,455 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:25:11,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042606385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:25:11,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:25:11,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:25:11,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27696455] [2024-11-24 01:25:11,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:25:11,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:25:11,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:25:11,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:25:11,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:25:11,492 INFO L87 Difference]: Start difference. First operand has 58 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 01:25:11,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:11,556 INFO L93 Difference]: Finished difference Result 109 states and 178 transitions. [2024-11-24 01:25:11,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:25:11,558 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2024-11-24 01:25:11,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:11,570 INFO L225 Difference]: With dead ends: 109 [2024-11-24 01:25:11,570 INFO L226 Difference]: Without dead ends: 54 [2024-11-24 01:25:11,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:25:11,583 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:11,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:25:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-24 01:25:11,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-24 01:25:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 01:25:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-11-24 01:25:11,639 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 95 [2024-11-24 01:25:11,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:11,640 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-11-24 01:25:11,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 01:25:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-11-24 01:25:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-24 01:25:11,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:11,647 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:11,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:25:11,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:25:11,848 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:11,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:11,849 INFO L85 PathProgramCache]: Analyzing trace with hash 350077977, now seen corresponding path program 1 times [2024-11-24 01:25:11,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:25:11,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140257624] [2024-11-24 01:25:11,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:11,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:25:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:25:12,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:25:12,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140257624] [2024-11-24 01:25:12,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140257624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:25:12,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:25:12,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:25:12,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863605657] [2024-11-24 01:25:12,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:25:12,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:25:12,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:25:12,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:25:12,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:25:12,419 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:25:12,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:12,527 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2024-11-24 01:25:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:25:12,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2024-11-24 01:25:12,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:12,529 INFO L225 Difference]: With dead ends: 123 [2024-11-24 01:25:12,529 INFO L226 Difference]: Without dead ends: 72 [2024-11-24 01:25:12,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:25:12,531 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 21 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:12,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 207 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:25:12,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-24 01:25:12,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 58. [2024-11-24 01:25:12,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 01:25:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 83 transitions. [2024-11-24 01:25:12,540 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 83 transitions. Word has length 95 [2024-11-24 01:25:12,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:12,541 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 83 transitions. [2024-11-24 01:25:12,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:25:12,542 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2024-11-24 01:25:12,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-24 01:25:12,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:12,545 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:12,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:25:12,546 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:12,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:12,546 INFO L85 PathProgramCache]: Analyzing trace with hash 583334100, now seen corresponding path program 1 times [2024-11-24 01:25:12,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:25:12,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854749389] [2024-11-24 01:25:12,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:12,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:25:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:25:13,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:25:13,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854749389] [2024-11-24 01:25:13,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854749389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:25:13,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:25:13,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:25:13,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361743506] [2024-11-24 01:25:13,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:25:13,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:25:13,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:25:13,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:25:13,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:25:13,121 INFO L87 Difference]: Start difference. First operand 58 states and 83 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:25:13,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:13,523 INFO L93 Difference]: Finished difference Result 181 states and 258 transitions. [2024-11-24 01:25:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:25:13,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 97 [2024-11-24 01:25:13,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:13,528 INFO L225 Difference]: With dead ends: 181 [2024-11-24 01:25:13,528 INFO L226 Difference]: Without dead ends: 126 [2024-11-24 01:25:13,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:25:13,530 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 72 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:13,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 281 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:25:13,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-24 01:25:13,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 115. [2024-11-24 01:25:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 84 states have (on average 1.2857142857142858) internal successors, (108), 84 states have internal predecessors, (108), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 01:25:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2024-11-24 01:25:13,575 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 97 [2024-11-24 01:25:13,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:13,575 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2024-11-24 01:25:13,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:25:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2024-11-24 01:25:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-24 01:25:13,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:13,581 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:13,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:25:13,582 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:13,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:13,583 INFO L85 PathProgramCache]: Analyzing trace with hash 841499538, now seen corresponding path program 1 times [2024-11-24 01:25:13,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:25:13,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853617973] [2024-11-24 01:25:13,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:13,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:25:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:25:13,719 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:25:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:25:13,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:25:13,854 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:25:13,856 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:25:13,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:25:13,863 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 01:25:13,958 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:25:13,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:25:13 BoogieIcfgContainer [2024-11-24 01:25:13,962 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:25:13,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:25:13,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:25:13,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:25:13,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:25:10" (3/4) ... [2024-11-24 01:25:13,968 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:25:13,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:25:13,973 INFO L158 Benchmark]: Toolchain (without parser) took 4472.47ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 105.7MB in the beginning and 308.8MB in the end (delta: -203.0MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2024-11-24 01:25:13,973 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:25:13,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.75ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 92.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:25:13,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.18ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 89.0MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:25:13,975 INFO L158 Benchmark]: Boogie Preprocessor took 79.57ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 84.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:25:13,976 INFO L158 Benchmark]: RCFGBuilder took 658.00ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 64.5MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:25:13,977 INFO L158 Benchmark]: TraceAbstraction took 3240.74ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.8MB in the beginning and 309.7MB in the end (delta: -245.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-11-24 01:25:13,977 INFO L158 Benchmark]: Witness Printer took 9.85ms. Allocated memory is still 427.8MB. Free memory was 308.8MB in the beginning and 308.8MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:25:13,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.75ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 92.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.18ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 89.0MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.57ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 84.6MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 658.00ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 64.5MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3240.74ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.8MB in the beginning and 309.7MB in the end (delta: -245.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Witness Printer took 9.85ms. Allocated memory is still 427.8MB. Free memory was 308.8MB in the beginning and 308.8MB in the end (delta: 36.9kB). 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 74, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 128.75; [L23] unsigned char var_1_2 = 1; [L24] float var_1_3 = 63.5; [L25] float var_1_4 = 255.5; [L26] unsigned char var_1_5 = 32; [L27] unsigned char var_1_9 = 25; [L28] unsigned char var_1_10 = 128; [L29] unsigned char var_1_11 = 16; [L30] unsigned char var_1_12 = 2; [L31] unsigned char var_1_14 = 5; [L32] unsigned char var_1_15 = 10; [L33] double var_1_16 = 3.75; [L34] unsigned char var_1_17 = 0; [L35] double var_1_18 = 255.5; [L36] unsigned char last_1_var_1_5 = 32; [L37] unsigned char last_1_var_1_12 = 2; [L38] unsigned char last_1_var_1_17 = 0; VAL [isInitial=0, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L103] isInitial = 1 [L104] FCALL initially() [L106] CALL updateLastVariables() [L94] last_1_var_1_5 = var_1_5 [L95] last_1_var_1_12 = var_1_12 [L96] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L106] RET updateLastVariables() [L107] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L71] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L72] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L72] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_3=127/2, var_1_4=511/2, var_1_5=32, var_1_9=25] [L73] var_1_3 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_4=511/2, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_4=511/2, var_1_5=32, var_1_9=25] [L74] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_4=511/2, var_1_5=32, var_1_9=25] [L75] var_1_4 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=25] [L76] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=25] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32] [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32] [L79] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L79] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=128, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L80] var_1_10 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L81] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L82] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L82] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=16, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L83] var_1_11 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L85] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L85] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=5, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L86] var_1_14 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L87] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L88] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L88] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=10, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L89] var_1_15 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L90] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L91] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L91] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L107] RET updateVariables() [L108] CALL step() [L42] EXPR last_1_var_1_17 | last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=32, var_1_9=128] [L42] signed long int stepLocal_0 = last_1_var_1_17 | last_1_var_1_12; [L43] COND FALSE !((last_1_var_1_5 / -2) >= stepLocal_0) [L46] var_1_5 = (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=0, var_1_9=128] [L48] COND FALSE !(! var_1_2) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=15/4, var_1_17=0, var_1_18=511/2, var_1_1=515/4, var_1_2=1, var_1_5=0, var_1_9=128] [L53] var_1_16 = var_1_4 [L54] var_1_17 = var_1_9 [L55] var_1_18 = var_1_3 [L56] unsigned char stepLocal_1 = var_1_9; VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, stepLocal_1=128, var_1_10=-32385, var_1_11=127, var_1_12=2, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L57] COND FALSE !((var_1_5 + var_1_11) >= stepLocal_1) [L66] var_1_12 = var_1_9 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L108] RET step() [L109] CALL, EXPR property() [L99] EXPR ((! var_1_2) ? (var_1_2 ? (var_1_1 == ((float) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : 1) && (((last_1_var_1_5 / -2) >= (last_1_var_1_17 | last_1_var_1_12)) ? (var_1_5 == ((unsigned char) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_5 == ((unsigned char) (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L99] EXPR last_1_var_1_17 | last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L99] EXPR ((! var_1_2) ? (var_1_2 ? (var_1_1 == ((float) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : 1) && (((last_1_var_1_5 / -2) >= (last_1_var_1_17 | last_1_var_1_12)) ? (var_1_5 == ((unsigned char) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_5 == ((unsigned char) (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L99-L100] return ((((((! var_1_2) ? (var_1_2 ? (var_1_1 == ((float) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) : 1) && (((last_1_var_1_5 / -2) >= (last_1_var_1_17 | last_1_var_1_12)) ? (var_1_5 == ((unsigned char) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_5 == ((unsigned char) (var_1_10 - ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))))) && (((var_1_5 + var_1_11) >= var_1_9) ? ((((((var_1_4) > ((var_1_1 * var_1_3))) ? (var_1_4) : ((var_1_1 * var_1_3)))) <= var_1_1) ? (var_1_12 == ((unsigned char) ((((var_1_11) > (var_1_14)) ? (var_1_11) : (var_1_14))))) : (var_1_2 ? (var_1_12 == ((unsigned char) (var_1_11 + var_1_15))) : 1)) : (var_1_12 == ((unsigned char) var_1_9)))) && (var_1_16 == ((double) var_1_4))) && (var_1_17 == ((unsigned char) var_1_9))) && (var_1_18 == ((double) var_1_3)) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=2, last_1_var_1_17=0, last_1_var_1_5=32, var_1_10=-32385, var_1_11=127, var_1_12=128, var_1_14=127, var_1_15=127, var_1_16=261, var_1_17=128, var_1_18=260, var_1_1=515/4, var_1_2=1, var_1_3=260, var_1_4=261, var_1_5=0, var_1_9=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 566 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 225 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 25 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 479 NumberOfCodeBlocks, 479 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1430/1456 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:25:14,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9a450555877b28033d09a5f84176dfa3dbe8a5a81fc1d86d82c451af47112ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:25:16,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:25:16,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:25:16,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:25:16,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:25:16,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:25:16,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:25:16,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:25:16,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:25:16,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:25:16,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:25:16,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:25:16,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:25:16,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:25:16,832 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:25:16,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:25:16,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:25:16,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:25:16,839 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:25:16,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:25:16,840 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:25:16,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:25:16,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:25:16,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:25:16,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:25:16,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:25:16,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:25:16,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:25:16,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:25:16,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:25:16,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:25:16,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:25:16,841 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:25:16,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:25:16,841 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:25:16,841 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:25:16,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:25:16,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:25:16,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:25:16,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:25:16,844 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_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a450555877b28033d09a5f84176dfa3dbe8a5a81fc1d86d82c451af47112ce [2024-11-24 01:25:17,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:25:17,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:25:17,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:25:17,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:25:17,244 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:25:17,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i [2024-11-24 01:25:20,229 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data/a7fcda1f9/f98e283713bd4c4d85d501f133272363/FLAGcd3ebc6d4 [2024-11-24 01:25:20,512 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:25:20,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i [2024-11-24 01:25:20,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data/a7fcda1f9/f98e283713bd4c4d85d501f133272363/FLAGcd3ebc6d4 [2024-11-24 01:25:20,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/data/a7fcda1f9/f98e283713bd4c4d85d501f133272363 [2024-11-24 01:25:20,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:25:20,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:25:20,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:25:20,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:25:20,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:25:20,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:20,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ad76de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20, skipping insertion in model container [2024-11-24 01:25:20,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:20,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:25:20,748 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_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i[913,926] [2024-11-24 01:25:20,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:25:20,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:25:20,829 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_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-82.i[913,926] [2024-11-24 01:25:20,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:25:20,879 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:25:20,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20 WrapperNode [2024-11-24 01:25:20,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:25:20,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:25:20,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:25:20,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:25:20,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:20,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:20,949 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2024-11-24 01:25:20,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:25:20,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:25:20,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:25:20,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:25:20,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:20,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:20,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:20,998 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:25:20,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:20,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:21,014 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:21,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:21,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:21,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:21,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:21,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:25:21,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:25:21,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:25:21,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:25:21,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (1/1) ... [2024-11-24 01:25:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:25:21,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:25:21,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:25:21,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:25:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:25:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:25:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:25:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:25:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:25:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:25:21,238 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:25:21,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:25:23,144 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 01:25:23,144 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:25:23,154 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:25:23,154 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:25:23,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:25:23 BoogieIcfgContainer [2024-11-24 01:25:23,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:25:23,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:25:23,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:25:23,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:25:23,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:25:20" (1/3) ... [2024-11-24 01:25:23,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1054b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:25:23, skipping insertion in model container [2024-11-24 01:25:23,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:25:20" (2/3) ... [2024-11-24 01:25:23,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1054b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:25:23, skipping insertion in model container [2024-11-24 01:25:23,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:25:23" (3/3) ... [2024-11-24 01:25:23,166 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-82.i [2024-11-24 01:25:23,182 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:25:23,184 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-82.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:25:23,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:25:23,249 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;@1e5b01e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:25:23,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:25:23,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 01:25:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 01:25:23,259 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:23,260 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:23,260 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:23,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:23,266 INFO L85 PathProgramCache]: Analyzing trace with hash 765478487, now seen corresponding path program 1 times [2024-11-24 01:25:23,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:25:23,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768927642] [2024-11-24 01:25:23,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:23,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:25:23,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:25:23,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:25:23,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:25:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:23,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:25:23,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:25:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-24 01:25:23,561 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:25:23,561 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:25:23,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768927642] [2024-11-24 01:25:23,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768927642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:25:23,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:25:23,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:25:23,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397021572] [2024-11-24 01:25:23,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:25:23,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:25:23,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:25:23,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:25:23,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:25:23,592 INFO L87 Difference]: Start difference. First operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:25:23,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:23,616 INFO L93 Difference]: Finished difference Result 89 states and 148 transitions. [2024-11-24 01:25:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:25:23,618 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91 [2024-11-24 01:25:23,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:23,625 INFO L225 Difference]: With dead ends: 89 [2024-11-24 01:25:23,626 INFO L226 Difference]: Without dead ends: 44 [2024-11-24 01:25:23,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:25:23,632 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:23,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:25:23,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-24 01:25:23,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-24 01:25:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 01:25:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-11-24 01:25:23,688 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 91 [2024-11-24 01:25:23,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:23,689 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-11-24 01:25:23,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:25:23,691 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-24 01:25:23,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 01:25:23,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:23,696 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:23,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:25:23,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:25:23,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:23,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:23,897 INFO L85 PathProgramCache]: Analyzing trace with hash -730463269, now seen corresponding path program 1 times [2024-11-24 01:25:23,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:25:23,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514295849] [2024-11-24 01:25:23,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:23,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:25:23,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:25:23,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:25:23,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:25:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:24,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:25:24,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:25:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:25:24,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:25:24,764 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:25:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514295849] [2024-11-24 01:25:24,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514295849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:25:24,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:25:24,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:25:24,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077767890] [2024-11-24 01:25:24,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:25:24,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:25:24,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:25:24,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:25:24,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:25:24,768 INFO L87 Difference]: Start difference. First operand 44 states and 63 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:25:26,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:25:27,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:25:27,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:27,572 INFO L93 Difference]: Finished difference Result 127 states and 184 transitions. [2024-11-24 01:25:27,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:25:27,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91 [2024-11-24 01:25:27,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:27,589 INFO L225 Difference]: With dead ends: 127 [2024-11-24 01:25:27,589 INFO L226 Difference]: Without dead ends: 86 [2024-11-24 01:25:27,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:25:27,591 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 33 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:27,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 199 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 01:25:27,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-24 01:25:27,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 73. [2024-11-24 01:25:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 01:25:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 105 transitions. [2024-11-24 01:25:27,642 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 105 transitions. Word has length 91 [2024-11-24 01:25:27,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:27,642 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 105 transitions. [2024-11-24 01:25:27,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:25:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2024-11-24 01:25:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 01:25:27,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:25:27,645 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:25:27,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 01:25:27,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:25:27,846 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:25:27,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:25:27,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1539809895, now seen corresponding path program 1 times [2024-11-24 01:25:27,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:25:27,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134746038] [2024-11-24 01:25:27,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:25:27,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:25:27,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:25:27,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:25:27,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16650be2-1d53-42ae-a6ed-3bd3d8e8c890/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:25:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:25:28,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 01:25:28,096 INFO L279 TraceCheckSpWp]: Computing forward predicates...