./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX --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 64487a3fc6d0bb9c63963975f2a88f7204d26acaec706a494cf6a9d1aeef08e8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:20:02,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:20:02,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:20:02,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:20:02,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:20:02,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:20:02,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:20:02,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:20:02,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:20:02,208 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:20:02,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:20:02,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:20:02,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:20:02,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:20:02,214 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:20:02,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:20:02,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:20:02,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:20:02,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:20:02,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:20:02,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:20:02,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:20:02,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:20:02,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:20:02,219 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:20:02,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:20:02,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:20:02,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:20:02,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:20:02,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:20:02,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:20:02,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:20:02,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:20:02,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:20:02,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:20:02,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:20:02,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:20:02,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:20:02,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:20:02,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:20:02,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:20:02,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:20:02,227 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64487a3fc6d0bb9c63963975f2a88f7204d26acaec706a494cf6a9d1aeef08e8 [2024-11-08 19:20:02,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:20:02,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:20:02,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:20:02,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:20:02,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:20:02,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i Unable to find full path for "g++" [2024-11-08 19:20:04,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:20:04,844 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:20:04,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i [2024-11-08 19:20:04,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/data/41d8438d8/6d010437a5ee462b9f7a734eb75f1fb9/FLAG6e4982b62 [2024-11-08 19:20:04,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/data/41d8438d8/6d010437a5ee462b9f7a734eb75f1fb9 [2024-11-08 19:20:04,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:20:04,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:20:04,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:20:04,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:20:04,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:20:04,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:20:04" (1/1) ... [2024-11-08 19:20:04,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7469c8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:04, skipping insertion in model container [2024-11-08 19:20:04,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:20:04" (1/1) ... [2024-11-08 19:20:04,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:20:05,112 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_b5187220-8bf7-4b20-b02c-dcc222f6b3da/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i[913,926] [2024-11-08 19:20:05,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:20:05,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:20:05,190 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_b5187220-8bf7-4b20-b02c-dcc222f6b3da/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i[913,926] [2024-11-08 19:20:05,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:20:05,236 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:20:05,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05 WrapperNode [2024-11-08 19:20:05,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:20:05,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:20:05,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:20:05,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:20:05,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,283 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-08 19:20:05,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:20:05,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:20:05,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:20:05,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:20:05,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,302 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,317 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]. [2024-11-08 19:20:05,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:20:05,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:20:05,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:20:05,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:20:05,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (1/1) ... [2024-11-08 19:20:05,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:20:05,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:20:05,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:20:05,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:20:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:20:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:20:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:20:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:20:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:20:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:20:05,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:20:05,556 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:20:05,894 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 19:20:05,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:20:05,907 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:20:05,908 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:20:05,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:05 BoogieIcfgContainer [2024-11-08 19:20:05,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:20:05,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:20:05,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:20:05,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:20:05,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:20:04" (1/3) ... [2024-11-08 19:20:05,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389e52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:20:05, skipping insertion in model container [2024-11-08 19:20:05,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:05" (2/3) ... [2024-11-08 19:20:05,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389e52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:20:05, skipping insertion in model container [2024-11-08 19:20:05,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:05" (3/3) ... [2024-11-08 19:20:05,925 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-41.i [2024-11-08 19:20:05,947 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:20:05,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:20:06,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:20:06,026 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;@708bba46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:20:06,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:20:06,031 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) [2024-11-08 19:20:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 19:20:06,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:06,044 INFO L215 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] [2024-11-08 19:20:06,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:06,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:06,051 INFO L85 PathProgramCache]: Analyzing trace with hash 562214834, now seen corresponding path program 1 times [2024-11-08 19:20:06,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:20:06,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329862052] [2024-11-08 19:20:06,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:06,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:20:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:20:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:20:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:20:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:20:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:20:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:20:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:20:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:20:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:20:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:20:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:20:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:20:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:20:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:20:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 19:20:06,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:20:06,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329862052] [2024-11-08 19:20:06,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329862052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:06,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:06,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:20:06,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906285029] [2024-11-08 19:20:06,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:06,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:20:06,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:20:06,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:20:06,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:20:06,586 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 19:20:06,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:06,622 INFO L93 Difference]: Finished difference Result 89 states and 148 transitions. [2024-11-08 19:20:06,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:20:06,625 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 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 92 [2024-11-08 19:20:06,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:06,636 INFO L225 Difference]: With dead ends: 89 [2024-11-08 19:20:06,636 INFO L226 Difference]: Without dead ends: 44 [2024-11-08 19:20:06,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:20:06,648 INFO L432 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 [2024-11-08 19:20:06,649 INFO L433 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] [2024-11-08 19:20:06,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-08 19:20:06,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-08 19:20:06,710 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) [2024-11-08 19:20:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-11-08 19:20:06,717 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 92 [2024-11-08 19:20:06,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:06,718 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-11-08 19:20:06,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 19:20:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-08 19:20:06,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 19:20:06,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:06,723 INFO L215 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] [2024-11-08 19:20:06,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:20:06,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:06,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:06,726 INFO L85 PathProgramCache]: Analyzing trace with hash -64862922, now seen corresponding path program 1 times [2024-11-08 19:20:06,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:20:06,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661267525] [2024-11-08 19:20:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:06,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:20:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:20:06,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:20:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:20:07,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:20:07,063 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:20:07,065 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:20:07,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:20:07,071 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 19:20:07,174 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:20:07,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:20:07 BoogieIcfgContainer [2024-11-08 19:20:07,183 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:20:07,183 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:20:07,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:20:07,184 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:20:07,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:05" (3/4) ... [2024-11-08 19:20:07,188 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:20:07,189 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:20:07,192 INFO L158 Benchmark]: Toolchain (without parser) took 2317.63ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 99.9MB in the beginning and 105.5MB in the end (delta: -5.5MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-08 19:20:07,193 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:20:07,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.21ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 85.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:20:07,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.28ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:20:07,199 INFO L158 Benchmark]: Boogie Preprocessor took 53.10ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 80.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:20:07,200 INFO L158 Benchmark]: RCFGBuilder took 569.97ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 80.0MB in the beginning and 161.3MB in the end (delta: -81.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-08 19:20:07,200 INFO L158 Benchmark]: TraceAbstraction took 1269.00ms. Allocated memory is still 197.1MB. Free memory was 160.5MB in the beginning and 105.9MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-08 19:20:07,201 INFO L158 Benchmark]: Witness Printer took 6.51ms. Allocated memory is still 197.1MB. Free memory was 105.9MB in the beginning and 105.5MB in the end (delta: 470.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:20:07,203 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.21ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 85.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.28ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.10ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 80.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.97ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 80.0MB in the beginning and 161.3MB in the end (delta: -81.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1269.00ms. Allocated memory is still 197.1MB. Free memory was 160.5MB in the beginning and 105.9MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 6.51ms. Allocated memory is still 197.1MB. Free memory was 105.9MB in the beginning and 105.5MB in the end (delta: 470.5kB). 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 someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryArithmeticDOUBLEoperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned char var_1_5 = 0; [L24] signed char var_1_6 = -8; [L25] signed char var_1_7 = 5; [L26] unsigned short int var_1_8 = 2; [L27] unsigned char var_1_11 = 0; [L28] double var_1_12 = 8.5; [L29] double var_1_13 = 999999999999.6; [L30] signed long int var_1_14 = 10; [L31] signed char var_1_15 = -1; [L32] unsigned char var_1_16 = 16; [L33] unsigned char var_1_17 = 64; [L34] signed char last_1_var_1_1 = -16; VAL [isInitial=0, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=5, var_1_8=2] [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_1 = var_1_1 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=5, var_1_8=2] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L69] var_1_5 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L72] var_1_6 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_6 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L73] RET assume_abort_if_not(var_1_6 >= -31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L74] CALL assume_abort_if_not(var_1_6 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L74] RET assume_abort_if_not(var_1_6 <= 31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L75] var_1_7 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L76] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L77] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L77] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L80] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L80] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L81] var_1_13 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L82] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L83] var_1_15 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L84] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L85] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L85] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L86] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L86] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L87] var_1_17 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L88] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L89] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L89] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L103] RET updateVariables() [L104] CALL step() [L38] COND TRUE var_1_5 && (last_1_var_1_1 <= last_1_var_1_1) [L39] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L41] var_1_12 = (var_1_13 - 8.3) [L42] unsigned char stepLocal_1 = var_1_13 >= var_1_12; VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_1=0, var_1_11=0, var_1_14=10, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L43] COND FALSE !(var_1_5 && stepLocal_1) [L46] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L48] COND TRUE \read(var_1_5) [L49] var_1_8 = (var_1_16 + var_1_16) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L57] unsigned long int stepLocal_0 = (var_1_8 & 0u) * var_1_16; VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_0=0, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L58] COND FALSE !(stepLocal_0 > var_1_8) [L65] var_1_1 = var_1_6 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return (((((((var_1_8 & 0u) * var_1_16) > var_1_8) ? (var_1_5 ? (var_1_1 == ((signed char) ((16 + var_1_6) + var_1_7))) : (var_1_1 == ((signed char) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_1 == ((signed char) var_1_6))) && (var_1_5 ? (var_1_8 == ((unsigned short int) (var_1_16 + var_1_16))) : (((var_1_16 > var_1_14) || var_1_11) ? (var_1_8 == ((unsigned short int) var_1_16)) : (var_1_8 == ((unsigned short int) var_1_16))))) && (var_1_12 == ((double) (var_1_13 - 8.3)))) && ((var_1_5 && (var_1_13 >= var_1_12)) ? (var_1_14 == ((signed long int) var_1_16)) : (var_1_14 == ((signed long int) var_1_15)))) && ((var_1_5 && (last_1_var_1_1 <= last_1_var_1_1)) ? (var_1_16 == ((unsigned char) var_1_17)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 14, 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, 63 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, 63 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 [2024-11-08 19:20:07,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX --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 64487a3fc6d0bb9c63963975f2a88f7204d26acaec706a494cf6a9d1aeef08e8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:20:09,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:20:09,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:20:09,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:20:09,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:20:10,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:20:10,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:20:10,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:20:10,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:20:10,019 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:20:10,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:20:10,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:20:10,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:20:10,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:20:10,021 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:20:10,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:20:10,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:20:10,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:20:10,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:20:10,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:20:10,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:20:10,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:20:10,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:20:10,026 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:20:10,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:20:10,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:20:10,027 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:20:10,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:20:10,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:20:10,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:20:10,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:20:10,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:20:10,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:20:10,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:20:10,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:20:10,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:20:10,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:20:10,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:20:10,030 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:20:10,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:20:10,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:20:10,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:20:10,033 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:20:10,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:20:10,033 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64487a3fc6d0bb9c63963975f2a88f7204d26acaec706a494cf6a9d1aeef08e8 [2024-11-08 19:20:10,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:20:10,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:20:10,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:20:10,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:20:10,482 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:20:10,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i Unable to find full path for "g++" [2024-11-08 19:20:12,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:20:12,726 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:20:12,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i [2024-11-08 19:20:12,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/data/924b7b6f1/db0af7ed75fb430db272131adc41c322/FLAG8d7ef28af [2024-11-08 19:20:12,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/data/924b7b6f1/db0af7ed75fb430db272131adc41c322 [2024-11-08 19:20:12,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:20:12,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:20:12,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:20:12,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:20:12,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:20:12,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aead7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12, skipping insertion in model container [2024-11-08 19:20:12,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:20:13,022 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_b5187220-8bf7-4b20-b02c-dcc222f6b3da/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i[913,926] [2024-11-08 19:20:13,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:20:13,137 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:20:13,169 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_b5187220-8bf7-4b20-b02c-dcc222f6b3da/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i[913,926] [2024-11-08 19:20:13,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:20:13,259 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:20:13,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13 WrapperNode [2024-11-08 19:20:13,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:20:13,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:20:13,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:20:13,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:20:13,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,315 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-08 19:20:13,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:20:13,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:20:13,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:20:13,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:20:13,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,362 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]. [2024-11-08 19:20:13,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:20:13,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:20:13,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:20:13,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:20:13,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (1/1) ... [2024-11-08 19:20:13,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:20:13,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:20:13,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:20:13,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:20:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:20:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:20:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:20:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:20:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:20:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:20:13,596 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:20:13,599 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:20:14,248 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 19:20:14,248 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:20:14,263 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:20:14,263 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:20:14,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:14 BoogieIcfgContainer [2024-11-08 19:20:14,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:20:14,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:20:14,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:20:14,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:20:14,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:20:12" (1/3) ... [2024-11-08 19:20:14,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247fc658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:20:14, skipping insertion in model container [2024-11-08 19:20:14,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:13" (2/3) ... [2024-11-08 19:20:14,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247fc658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:20:14, skipping insertion in model container [2024-11-08 19:20:14,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:14" (3/3) ... [2024-11-08 19:20:14,272 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-41.i [2024-11-08 19:20:14,287 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:20:14,288 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:20:14,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:20:14,366 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;@5884b2c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:20:14,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:20:14,370 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) [2024-11-08 19:20:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 19:20:14,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:14,382 INFO L215 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] [2024-11-08 19:20:14,382 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:14,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:14,388 INFO L85 PathProgramCache]: Analyzing trace with hash 562214834, now seen corresponding path program 1 times [2024-11-08 19:20:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:14,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741249954] [2024-11-08 19:20:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:14,401 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 [2024-11-08 19:20:14,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:14,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:14,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:14,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:20:14,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-08 19:20:14,694 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:14,695 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:14,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741249954] [2024-11-08 19:20:14,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741249954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:14,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:14,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:20:14,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577118152] [2024-11-08 19:20:14,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:14,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:20:14,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:14,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:20:14,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:20:14,731 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 19:20:14,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:14,756 INFO L93 Difference]: Finished difference Result 89 states and 148 transitions. [2024-11-08 19:20:14,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:20:14,758 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-11-08 19:20:14,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:14,764 INFO L225 Difference]: With dead ends: 89 [2024-11-08 19:20:14,764 INFO L226 Difference]: Without dead ends: 44 [2024-11-08 19:20:14,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:20:14,770 INFO L432 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 [2024-11-08 19:20:14,771 INFO L433 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] [2024-11-08 19:20:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-08 19:20:14,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-08 19:20:14,807 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) [2024-11-08 19:20:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-11-08 19:20:14,811 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 92 [2024-11-08 19:20:14,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:14,812 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-11-08 19:20:14,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 19:20:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-08 19:20:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 19:20:14,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:14,816 INFO L215 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] [2024-11-08 19:20:14,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:15,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:15,017 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:15,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:15,018 INFO L85 PathProgramCache]: Analyzing trace with hash -64862922, now seen corresponding path program 1 times [2024-11-08 19:20:15,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:15,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969989082] [2024-11-08 19:20:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:15,019 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 [2024-11-08 19:20:15,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:15,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:15,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:15,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 19:20:15,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 189 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-08 19:20:24,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:23:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 19:23:38,310 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:23:38,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969989082] [2024-11-08 19:23:38,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969989082] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:23:38,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:23:38,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 18 [2024-11-08 19:23:38,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283257982] [2024-11-08 19:23:38,311 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:23:38,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 19:23:38,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:23:38,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 19:23:38,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-11-08 19:23:38,315 INFO L87 Difference]: Start difference. First operand 44 states and 63 transitions. Second operand has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 19:23:44,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:23:47,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:23:50,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:23:52,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:23:55,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:23:57,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:23:59,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:02,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:04,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:06,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:08,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:10,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:13,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:16,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:17,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:21,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:23,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:53,203 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 100 DAG size of output: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:25:06,954 WARN L286 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 103 DAG size of output: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:25:21,768 WARN L286 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 103 DAG size of output: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:25:44,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:44,251 INFO L93 Difference]: Finished difference Result 160 states and 217 transitions. [2024-11-08 19:25:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 19:25:44,259 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 92 [2024-11-08 19:25:44,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:44,263 INFO L225 Difference]: With dead ends: 160 [2024-11-08 19:25:44,263 INFO L226 Difference]: Without dead ends: 119 [2024-11-08 19:25:44,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 130.6s TimeCoverageRelationStatistics Valid=294, Invalid=896, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 19:25:44,266 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 204 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:44,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 292 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 70.2s Time] [2024-11-08 19:25:44,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-08 19:25:44,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 86. [2024-11-08 19:25:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 61 states have internal predecessors, (76), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:25:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 120 transitions. [2024-11-08 19:25:44,292 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 120 transitions. Word has length 92 [2024-11-08 19:25:44,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:44,295 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 120 transitions. [2024-11-08 19:25:44,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 19:25:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2024-11-08 19:25:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 19:25:44,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:44,299 INFO L215 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] [2024-11-08 19:25:44,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 19:25:44,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:25:44,504 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:44,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:44,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1368598043, now seen corresponding path program 1 times [2024-11-08 19:25:44,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:44,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087592186] [2024-11-08 19:25:44,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:44,506 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 [2024-11-08 19:25:44,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:44,510 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:25:44,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:25:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:44,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:25:44,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 19:25:44,692 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:44,692 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:44,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087592186] [2024-11-08 19:25:44,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087592186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:44,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:44,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:25:44,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223366237] [2024-11-08 19:25:44,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:44,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:25:44,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:44,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:25:44,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:25:44,698 INFO L87 Difference]: Start difference. First operand 86 states and 120 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2024-11-08 19:25:44,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:44,868 INFO L93 Difference]: Finished difference Result 166 states and 232 transitions. [2024-11-08 19:25:44,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:25:44,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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 93 [2024-11-08 19:25:44,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:44,883 INFO L225 Difference]: With dead ends: 166 [2024-11-08 19:25:44,883 INFO L226 Difference]: Without dead ends: 83 [2024-11-08 19:25:44,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:25:44,885 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:44,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:25:44,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-08 19:25:44,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2024-11-08 19:25:44,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 56 states have internal predecessors, (65), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:25:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2024-11-08 19:25:44,902 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 93 [2024-11-08 19:25:44,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:44,902 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2024-11-08 19:25:44,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2024-11-08 19:25:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2024-11-08 19:25:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 19:25:44,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:44,905 INFO L215 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] [2024-11-08 19:25:44,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 19:25:45,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:25:45,106 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:45,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:45,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1222934141, now seen corresponding path program 1 times [2024-11-08 19:25:45,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:45,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975460381] [2024-11-08 19:25:45,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:45,108 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 [2024-11-08 19:25:45,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:45,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:25:45,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 19:25:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:45,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:25:45,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 19:25:45,349 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:45,351 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:45,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975460381] [2024-11-08 19:25:45,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975460381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:45,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:45,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:25:45,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106308737] [2024-11-08 19:25:45,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:45,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:25:45,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:45,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:25:45,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:25:45,357 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2024-11-08 19:25:45,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:45,789 INFO L93 Difference]: Finished difference Result 152 states and 205 transitions. [2024-11-08 19:25:45,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:25:45,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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 93 [2024-11-08 19:25:45,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:45,792 INFO L225 Difference]: With dead ends: 152 [2024-11-08 19:25:45,792 INFO L226 Difference]: Without dead ends: 73 [2024-11-08 19:25:45,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:25:45,794 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 10 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:45,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 107 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:25:45,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-08 19:25:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-08 19:25:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 48 states have internal predecessors, (52), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 19:25:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2024-11-08 19:25:45,809 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 93 [2024-11-08 19:25:45,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:45,810 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2024-11-08 19:25:45,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (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) [2024-11-08 19:25:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2024-11-08 19:25:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 19:25:45,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:45,816 INFO L215 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] [2024-11-08 19:25:45,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-08 19:25:46,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:25:46,017 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:46,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:46,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1690910207, now seen corresponding path program 1 times [2024-11-08 19:25:46,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:46,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607448569] [2024-11-08 19:25:46,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:46,019 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 [2024-11-08 19:25:46,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:46,020 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:25:46,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 (6)] Waiting until timeout for monitored process [2024-11-08 19:25:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:46,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:25:46,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 189 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-08 19:26:37,190 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:30:12,997 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 19:30:12,997 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:30:12,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607448569] [2024-11-08 19:30:12,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607448569] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:30:12,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:30:12,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-08 19:30:12,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656377222] [2024-11-08 19:30:12,999 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:30:12,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 19:30:13,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:30:13,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 19:30:13,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2024-11-08 19:30:13,002 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 19:31:18,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:31:18,052 INFO L93 Difference]: Finished difference Result 123 states and 160 transitions. [2024-11-08 19:31:18,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 19:31:18,064 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 93 [2024-11-08 19:31:18,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:31:18,065 INFO L225 Difference]: With dead ends: 123 [2024-11-08 19:31:18,065 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 19:31:18,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 78.6s TimeCoverageRelationStatistics Valid=284, Invalid=838, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 19:31:18,067 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 88 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:31:18,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 564 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 40.4s Time] [2024-11-08 19:31:18,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 19:31:18,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 19:31:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:31:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 19:31:18,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2024-11-08 19:31:18,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:31:18,070 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 19:31:18,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 19:31:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 19:31:18,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:31:18,073 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:31:18,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 (6)] Forceful destruction successful, exit code 0 [2024-11-08 19:31:18,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:31:18,278 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 19:31:18,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 19:31:44,276 WARN L286 SmtUtils]: Spent 12.96s on a formula simplification. DAG size of input: 106 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 19:31:45,160 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:31:45,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 19:31:45,175 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 19:31:45,175 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 19:31:45,175 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 19:31:45,175 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 19:31:45,186 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 19:31:45,186 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 19:31:45,187 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 19:31:45,187 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 19:31:45,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:31:45 BoogieIcfgContainer [2024-11-08 19:31:45,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:31:45,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:31:45,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:31:45,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:31:45,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:14" (3/4) ... [2024-11-08 19:31:45,199 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:31:45,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 19:31:45,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 19:31:45,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 19:31:45,210 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 19:31:45,211 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:31:45,317 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:31:45,318 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 19:31:45,318 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:31:45,318 INFO L158 Benchmark]: Toolchain (without parser) took 692562.19ms. Allocated memory was 71.3MB in the beginning and 989.9MB in the end (delta: 918.6MB). Free memory was 47.3MB in the beginning and 838.2MB in the end (delta: -790.9MB). Peak memory consumption was 129.7MB. Max. memory is 16.1GB. [2024-11-08 19:31:45,319 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:31:45,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.91ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 64.9MB in the end (delta: -17.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-08 19:31:45,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.85ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 62.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:31:45,320 INFO L158 Benchmark]: Boogie Preprocessor took 84.67ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 60.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:31:45,320 INFO L158 Benchmark]: RCFGBuilder took 860.77ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 44.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:31:45,322 INFO L158 Benchmark]: TraceAbstraction took 690928.66ms. Allocated memory was 88.1MB in the beginning and 989.9MB in the end (delta: 901.8MB). Free memory was 43.6MB in the beginning and 843.4MB in the end (delta: -799.8MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2024-11-08 19:31:45,322 INFO L158 Benchmark]: Witness Printer took 123.31ms. Allocated memory is still 989.9MB. Free memory was 843.4MB in the beginning and 838.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:31:45,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.91ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 64.9MB in the end (delta: -17.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.85ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 62.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.67ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 60.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 860.77ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 44.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 690928.66ms. Allocated memory was 88.1MB in the beginning and 989.9MB in the end (delta: 901.8MB). Free memory was 43.6MB in the beginning and 843.4MB in the end (delta: -799.8MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. * Witness Printer took 123.31ms. Allocated memory is still 989.9MB. Free memory was 843.4MB in the beginning and 838.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 664.0s, OverallIterations: 5, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 191.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 342 SdHoareTripleChecker+Valid, 111.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 302 mSDsluCounter, 1141 SdHoareTripleChecker+Invalid, 108.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 832 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1285 IncrementalHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 309 mSDtfsCounter, 1285 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 209.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=2, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 35 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 469.9s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 641 ConstructedInterpolants, 5 QuantifiedInterpolants, 5856 SizeOfPredicates, 26 NumberOfNonLiveVariables, 773 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 2488/2548 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((var_1_14 == var_1_16) && (var_1_17 == var_1_16)) || (var_1_5 == 0)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (last_1_var_1_1 == \old(last_1_var_1_1)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 19:31:45,548 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-08 19:31:45,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5187220-8bf7-4b20-b02c-dcc222f6b3da/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE