./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd --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 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:19:21,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:19:21,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:19:21,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:19:21,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:19:21,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:19:21,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:19:21,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:19:21,157 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:19:21,157 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:19:21,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:19:21,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:19:21,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:19:21,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:19:21,158 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:19:21,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:19:21,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:19:21,158 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:19:21,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:19:21,158 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:19:21,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:19:21,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:19:21,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:19:21,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:19:21,159 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:19:21,159 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:19:21,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:19:21,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:19:21,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:19:21,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:19:21,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:19:21,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:19:21,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:19:21,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:19:21,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:19:21,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:19:21,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:19:21,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:19:21,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:19:21,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:19:21,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:19:21,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:19:21,161 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_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd 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 -> 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 [2024-11-13 13:19:21,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:19:21,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:19:21,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:19:21,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:19:21,481 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:19:21,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i Unable to find full path for "g++" [2024-11-13 13:19:23,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:19:23,660 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:19:23,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2024-11-13 13:19:23,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/data/31b5e616a/2204e3b69ca44d28afd5748057521ebb/FLAG370087e37 [2024-11-13 13:19:23,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/data/31b5e616a/2204e3b69ca44d28afd5748057521ebb [2024-11-13 13:19:23,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:19:23,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:19:23,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:19:23,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:19:23,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:19:23,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:23,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7360a837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23, skipping insertion in model container [2024-11-13 13:19:23,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:23,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:19:23,848 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_5d2a3a5b-4762-433f-ac2a-b57bc1169343/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i[913,926] [2024-11-13 13:19:23,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:19:23,901 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:19:23,910 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_5d2a3a5b-4762-433f-ac2a-b57bc1169343/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i[913,926] [2024-11-13 13:19:23,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:19:23,949 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:19:23,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23 WrapperNode [2024-11-13 13:19:23,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:19:23,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:19:23,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:19:23,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:19:23,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:23,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,003 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2024-11-13 13:19:24,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:19:24,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:19:24,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:19:24,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:19:24,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,039 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]. [2024-11-13 13:19:24,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:19:24,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:19:24,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:19:24,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:19:24,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (1/1) ... [2024-11-13 13:19:24,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:19:24,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:19:24,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:19:24,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:19:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:19:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:19:24,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:19:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:19:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:19:24,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:19:24,196 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:19:24,198 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:19:24,470 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 13:19:24,471 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:19:24,480 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:19:24,481 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:19:24,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:19:24 BoogieIcfgContainer [2024-11-13 13:19:24,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:19:24,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:19:24,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:19:24,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:19:24,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:19:23" (1/3) ... [2024-11-13 13:19:24,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344004b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:19:24, skipping insertion in model container [2024-11-13 13:19:24,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:23" (2/3) ... [2024-11-13 13:19:24,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344004b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:19:24, skipping insertion in model container [2024-11-13 13:19:24,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:19:24" (3/3) ... [2024-11-13 13:19:24,494 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-54.i [2024-11-13 13:19:24,515 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:19:24,517 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-54.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:19:24,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:19:24,608 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;@51a2532c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:19:24,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:19:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:19:24,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:19:24,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:24,628 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:24,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:24,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:24,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1336965076, now seen corresponding path program 1 times [2024-11-13 13:19:24,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:24,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963270121] [2024-11-13 13:19:24,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:24,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:24,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:19:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:24,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:19:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:24,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:19:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:24,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:19:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:24,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:19:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:19:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:24,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:19:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:19:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:19:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 13:19:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:19:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 13:19:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 13:19:25,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:25,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963270121] [2024-11-13 13:19:25,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963270121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:25,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:25,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:25,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751871869] [2024-11-13 13:19:25,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:25,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:19:25,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:25,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:19:25,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:19:25,116 INFO L87 Difference]: Start difference. First operand has 47 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 13:19:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:25,136 INFO L93 Difference]: Finished difference Result 87 states and 142 transitions. [2024-11-13 13:19:25,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:19:25,138 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2024-11-13 13:19:25,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:25,145 INFO L225 Difference]: With dead ends: 87 [2024-11-13 13:19:25,145 INFO L226 Difference]: Without dead ends: 43 [2024-11-13 13:19:25,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:19:25,152 INFO L432 NwaCegarLoop]: 61 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, 61 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 [2024-11-13 13:19:25,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:19:25,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-13 13:19:25,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-13 13:19:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:19:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-13 13:19:25,204 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 81 [2024-11-13 13:19:25,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:25,205 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-13 13:19:25,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 13:19:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-13 13:19:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:19:25,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:25,208 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:25,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:19:25,209 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:25,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:25,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1891130984, now seen corresponding path program 1 times [2024-11-13 13:19:25,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:25,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162986906] [2024-11-13 13:19:25,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:25,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:19:25,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:19:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:19:25,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:19:25,494 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:19:25,496 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:19:25,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:19:25,501 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:19:25,560 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:19:25,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:19:25 BoogieIcfgContainer [2024-11-13 13:19:25,563 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:19:25,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:19:25,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:19:25,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:19:25,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:19:24" (3/4) ... [2024-11-13 13:19:25,570 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:19:25,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:19:25,572 INFO L158 Benchmark]: Toolchain (without parser) took 1883.45ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 64.3MB in the end (delta: 28.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-13 13:19:25,573 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:19:25,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.87ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:19:25,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.73ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.6MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:19:25,574 INFO L158 Benchmark]: Boogie Preprocessor took 43.99ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:19:25,574 INFO L158 Benchmark]: RCFGBuilder took 428.67ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 60.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:19:25,575 INFO L158 Benchmark]: TraceAbstraction took 1079.47ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 64.9MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:19:25,575 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.3MB in the end (delta: 600.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:19:25,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.87ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.73ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.6MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.99ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 428.67ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 60.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1079.47ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 64.9MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.25ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 64.3MB in the end (delta: 600.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_3 = 10; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 0; [L28] double var_1_11 = 9.75; [L29] double var_1_12 = 5.5; [L30] double var_1_13 = 4.1; [L31] float var_1_14 = 9.8; [L32] signed char var_1_15 = 25; [L33] signed char var_1_16 = 2; VAL [isInitial=0, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=10, var_1_4=0, var_1_6=1, var_1_9=0] [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] FCALL updateLastVariables() [L100] CALL updateVariables() [L69] var_1_3 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_4=0, var_1_6=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_4=0, var_1_6=1, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L71] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_9=0] [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L74] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L75] var_1_9 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1] [L77] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L77] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L78] var_1_10 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L80] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L81] var_1_12 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L82] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L83] var_1_13 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L84] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L85] var_1_16 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L86] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L87] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L100] RET updateVariables() [L101] CALL step() [L37] var_1_14 = var_1_12 [L38] var_1_15 = var_1_16 [L39] signed long int stepLocal_0 = -4; VAL [isInitial=1, stepLocal_0=-4, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=16, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L40] COND TRUE stepLocal_0 >= var_1_15 [L41] var_1_1 = ((((var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L43] unsigned char stepLocal_2 = var_1_3; VAL [isInitial=1, stepLocal_2=-2, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L44] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, stepLocal_2=-2, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L53] signed long int stepLocal_1 = (((10) > (var_1_1)) ? (10) : (var_1_1)); VAL [isInitial=1, stepLocal_1=10, stepLocal_2=-2, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=0, var_1_6=1, var_1_9=0] [L54] COND FALSE !((8 * var_1_1) == stepLocal_1) [L65] var_1_4 = var_1_10 VAL [isInitial=1, stepLocal_2=-2, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=-255, var_1_6=1, var_1_9=0] [L101] RET step() [L102] CALL, EXPR property() [L92-L93] return (((((-4 >= var_1_15) ? (var_1_1 == ((unsigned char) ((((var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * var_1_1) == ((((10) > (var_1_1)) ? (10) : (var_1_1)))) ? (var_1_6 ? (var_1_4 == ((unsigned char) ((var_1_11 < var_1_14) && var_1_9))) : ((var_1_14 >= ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) ? (var_1_4 == ((unsigned char) (! var_1_9))) : (var_1_4 == ((unsigned char) 0)))) : (var_1_4 == ((unsigned char) var_1_10)))) && (var_1_9 ? ((var_1_3 > var_1_15) ? (var_1_11 == ((double) ((((((((var_1_12) > (16.5)) ? (var_1_12) : (16.5)))) > (var_1_13)) ? (((((var_1_12) > (16.5)) ? (var_1_12) : (16.5)))) : (var_1_13))))) : (var_1_10 ? (var_1_11 == ((double) var_1_12)) : 1)) : 1)) && (var_1_14 == ((float) var_1_12))) && (var_1_15 == ((signed char) var_1_16)) ; VAL [\result=0, isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=-255, var_1_6=1, var_1_9=0] [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=-255, var_1_6=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=-255, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=-2, var_1_4=-255, var_1_6=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 61 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 264/264 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:19:25,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/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_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd --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 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:19:28,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:19:28,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:19:28,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:19:28,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:19:28,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:19:28,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:19:28,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:19:28,379 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:19:28,379 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:19:28,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:19:28,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:19:28,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:19:28,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:19:28,380 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:19:28,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:19:28,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:19:28,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:19:28,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:19:28,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:19:28,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:19:28,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:19:28,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:19:28,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:19:28,390 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:19:28,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:19:28,390 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:19:28,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:19:28,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:19:28,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:19:28,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:19:28,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:19:28,391 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:19:28,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:19:28,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:19:28,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:19:28,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:19:28,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:19:28,393 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:19:28,393 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:19:28,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:19:28,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:19:28,394 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:19:28,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:19:28,394 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_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd 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 -> 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 [2024-11-13 13:19:28,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:19:28,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:19:28,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:19:28,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:19:28,731 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:19:28,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i Unable to find full path for "g++" [2024-11-13 13:19:30,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:19:30,982 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:19:30,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2024-11-13 13:19:31,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/data/7615896bb/ea9a5480a292441fb79ef98201970c61/FLAGd1079f7c3 [2024-11-13 13:19:31,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/data/7615896bb/ea9a5480a292441fb79ef98201970c61 [2024-11-13 13:19:31,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:19:31,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:19:31,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:19:31,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:19:31,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:19:31,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a84cc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31, skipping insertion in model container [2024-11-13 13:19:31,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:19:31,483 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_5d2a3a5b-4762-433f-ac2a-b57bc1169343/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i[913,926] [2024-11-13 13:19:31,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:19:31,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:19:31,570 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_5d2a3a5b-4762-433f-ac2a-b57bc1169343/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i[913,926] [2024-11-13 13:19:31,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:19:31,620 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:19:31,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31 WrapperNode [2024-11-13 13:19:31,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:19:31,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:19:31,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:19:31,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:19:31,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,689 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2024-11-13 13:19:31,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:19:31,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:19:31,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:19:31,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:19:31,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,752 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]. [2024-11-13 13:19:31,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:19:31,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:19:31,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:19:31,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:19:31,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (1/1) ... [2024-11-13 13:19:31,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:19:31,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:19:31,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:19:31,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:19:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:19:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:19:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:19:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:19:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:19:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:19:31,988 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:19:31,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:19:33,414 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 13:19:33,414 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:19:33,426 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:19:33,426 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:19:33,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:19:33 BoogieIcfgContainer [2024-11-13 13:19:33,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:19:33,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:19:33,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:19:33,437 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:19:33,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:19:31" (1/3) ... [2024-11-13 13:19:33,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c242eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:19:33, skipping insertion in model container [2024-11-13 13:19:33,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:31" (2/3) ... [2024-11-13 13:19:33,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c242eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:19:33, skipping insertion in model container [2024-11-13 13:19:33,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:19:33" (3/3) ... [2024-11-13 13:19:33,442 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-54.i [2024-11-13 13:19:33,462 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:19:33,464 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-54.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:19:33,534 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:19:33,553 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;@602fddc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:19:33,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:19:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:19:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:19:33,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:33,569 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:33,570 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:33,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:33,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1336965076, now seen corresponding path program 1 times [2024-11-13 13:19:33,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:19:33,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212656683] [2024-11-13 13:19:33,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:33,594 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 [2024-11-13 13:19:33,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:19:33,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 13:19:33,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:19:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:33,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:19:33,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:19:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-13 13:19:34,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:19:34,052 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:19:34,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212656683] [2024-11-13 13:19:34,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212656683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:34,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:34,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:34,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210583248] [2024-11-13 13:19:34,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:34,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:19:34,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:19:34,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:19:34,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:19:34,093 INFO L87 Difference]: Start difference. First operand has 47 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 13:19:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:34,125 INFO L93 Difference]: Finished difference Result 87 states and 142 transitions. [2024-11-13 13:19:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:19:34,128 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2024-11-13 13:19:34,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:34,136 INFO L225 Difference]: With dead ends: 87 [2024-11-13 13:19:34,136 INFO L226 Difference]: Without dead ends: 43 [2024-11-13 13:19:34,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:19:34,145 INFO L432 NwaCegarLoop]: 61 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, 61 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 [2024-11-13 13:19:34,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:19:34,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-13 13:19:34,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-13 13:19:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:19:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-13 13:19:34,201 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 81 [2024-11-13 13:19:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:34,202 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-13 13:19:34,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 13:19:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-13 13:19:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:19:34,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:34,206 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:34,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 13:19:34,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:19:34,409 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:19:34,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:34,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1891130984, now seen corresponding path program 1 times [2024-11-13 13:19:34,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:19:34,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421739189] [2024-11-13 13:19:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:34,410 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 [2024-11-13 13:19:34,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:19:34,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 13:19:34,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2a3a5b-4762-433f-ac2a-b57bc1169343/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:19:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:34,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 13:19:34,699 INFO L278 TraceCheckSpWp]: Computing forward predicates...