./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya --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 a8c2d97c2882a994777e966d3b18e90f3e85f7655f986ab0cecfa48a6a366e79 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:17:48,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:17:48,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:17:48,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:17:48,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:17:48,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:17:48,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:17:48,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:17:48,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:17:48,255 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:17:48,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:17:48,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:17:48,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:17:48,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:17:48,258 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:17:48,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:17:48,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:17:48,260 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:17:48,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:17:48,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:17:48,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:17:48,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:17:48,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:17:48,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:17:48,266 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:17:48,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:17:48,267 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:17:48,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:17:48,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:17:48,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:17:48,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:17:48,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:17:48,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:17:48,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:17:48,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:17:48,276 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:17:48,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:17:48,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:17:48,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:17:48,277 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:17:48,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:17:48,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:17:48,278 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_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8c2d97c2882a994777e966d3b18e90f3e85f7655f986ab0cecfa48a6a366e79 [2023-11-29 04:17:48,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:17:48,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:17:48,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:17:48,542 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:17:48,543 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:17:48,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i [2023-11-29 04:17:51,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:17:51,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:17:51,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i [2023-11-29 04:17:51,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/data/48d6e679a/801e168dc7b64e1b99ccc8d9e950b615/FLAG49ced6de7 [2023-11-29 04:17:51,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/data/48d6e679a/801e168dc7b64e1b99ccc8d9e950b615 [2023-11-29 04:17:51,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:17:51,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:17:51,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:17:51,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:17:51,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:17:51,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711d425c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51, skipping insertion in model container [2023-11-29 04:17:51,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:17:51,658 WARN L240 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_c81c9863-1596-4684-a54f-2951c685ed9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i[913,926] [2023-11-29 04:17:51,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:17:51,710 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:17:51,721 WARN L240 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_c81c9863-1596-4684-a54f-2951c685ed9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i[913,926] [2023-11-29 04:17:51,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:17:51,759 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:17:51,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51 WrapperNode [2023-11-29 04:17:51,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:17:51,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:17:51,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:17:51,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:17:51,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,811 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2023-11-29 04:17:51,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:17:51,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:17:51,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:17:51,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:17:51,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,828 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,843 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]. [2023-11-29 04:17:51,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:17:51,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:17:51,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:17:51,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:17:51,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (1/1) ... [2023-11-29 04:17:51,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:17:51,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:17:51,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:17:51,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:17:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:17:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:17:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:17:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:17:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:17:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:17:52,028 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:17:52,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:17:52,282 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:17:52,328 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:17:52,329 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:17:52,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:17:52 BoogieIcfgContainer [2023-11-29 04:17:52,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:17:52,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:17:52,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:17:52,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:17:52,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:17:51" (1/3) ... [2023-11-29 04:17:52,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:17:52, skipping insertion in model container [2023-11-29 04:17:52,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:51" (2/3) ... [2023-11-29 04:17:52,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:17:52, skipping insertion in model container [2023-11-29 04:17:52,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:17:52" (3/3) ... [2023-11-29 04:17:52,338 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-75.i [2023-11-29 04:17:52,354 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:17:52,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:17:52,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:17:52,409 INFO L357 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, mHoare=true, 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;@1e7302bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:17:52,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:17:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:17:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 04:17:52,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:17:52,427 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:17:52,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:17:52,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:17:52,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1944865103, now seen corresponding path program 1 times [2023-11-29 04:17:52,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:17:52,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719081773] [2023-11-29 04:17:52,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:17:52,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:17:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:17:52,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:17:52,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719081773] [2023-11-29 04:17:52,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 04:17:52,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251705663] [2023-11-29 04:17:52,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:17:52,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:17:52,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:17:52,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:17:52,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:17:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:17:52,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:17:52,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:17:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2023-11-29 04:17:52,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:17:52,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251705663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:17:52,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:17:52,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:17:52,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126065003] [2023-11-29 04:17:52,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:17:52,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:17:52,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:17:52,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:17:52,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:17:52,928 INFO L87 Difference]: Start difference. First operand has 45 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:17:52,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:17:52,967 INFO L93 Difference]: Finished difference Result 87 states and 153 transitions. [2023-11-29 04:17:52,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:17:52,970 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2023-11-29 04:17:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:17:52,978 INFO L225 Difference]: With dead ends: 87 [2023-11-29 04:17:52,978 INFO L226 Difference]: Without dead ends: 43 [2023-11-29 04:17:52,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:17:52,986 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:17:52,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:17:53,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-29 04:17:53,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-29 04:17:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:17:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 64 transitions. [2023-11-29 04:17:53,037 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 64 transitions. Word has length 103 [2023-11-29 04:17:53,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:17:53,038 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 64 transitions. [2023-11-29 04:17:53,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:17:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2023-11-29 04:17:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 04:17:53,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:17:53,042 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:17:53,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:17:53,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 04:17:53,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:17:53,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:17:53,245 INFO L85 PathProgramCache]: Analyzing trace with hash -651391347, now seen corresponding path program 1 times [2023-11-29 04:17:53,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:17:53,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227711436] [2023-11-29 04:17:53,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:17:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:17:53,303 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:17:53,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [819650289] [2023-11-29 04:17:53,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:17:53,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:17:53,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:17:53,306 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:17:53,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:17:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:17:53,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:17:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:17:53,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:17:53,532 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:17:53,533 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:17:53,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 04:17:53,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:17:53,738 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 04:17:53,741 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:17:53,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:17:53 BoogieIcfgContainer [2023-11-29 04:17:53,810 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:17:53,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:17:53,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:17:53,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:17:53,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:17:52" (3/4) ... [2023-11-29 04:17:53,813 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:17:53,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:17:53,815 INFO L158 Benchmark]: Toolchain (without parser) took 2315.64ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 116.0MB in the beginning and 114.9MB in the end (delta: 1.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-11-29 04:17:53,816 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:17:53,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.83ms. Allocated memory is still 155.2MB. Free memory was 116.0MB in the beginning and 103.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:17:53,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.98ms. Allocated memory is still 155.2MB. Free memory was 103.5MB in the beginning and 100.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:17:53,817 INFO L158 Benchmark]: Boogie Preprocessor took 50.25ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 97.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:17:53,818 INFO L158 Benchmark]: RCFGBuilder took 466.01ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 79.2MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:17:53,819 INFO L158 Benchmark]: TraceAbstraction took 1478.48ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 78.3MB in the beginning and 114.9MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:17:53,819 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 186.6MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:17:53,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.83ms. Allocated memory is still 155.2MB. Free memory was 116.0MB in the beginning and 103.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.98ms. Allocated memory is still 155.2MB. Free memory was 103.5MB in the beginning and 100.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.25ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 97.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 466.01ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 79.2MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1478.48ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 78.3MB in the beginning and 114.9MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 186.6MB. Free memory is still 114.9MB. 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 97, overapproximation of someBinaryFLOATComparisonOperation at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] unsigned char var_1_7 = 32; [L24] signed long int var_1_8 = -100; [L25] double var_1_10 = 5.95; [L26] unsigned char var_1_12 = 128; [L27] unsigned char var_1_13 = 200; [L28] unsigned char var_1_14 = 8; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 128; [L31] unsigned char var_1_17 = 1; [L32] float var_1_18 = 2.25; [L33] float var_1_19 = 16.875; [L34] signed char var_1_20 = -4; [L35] signed char var_1_21 = 10; [L36] signed long int last_1_var_1_8 = -100; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_8 = var_1_8 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L68] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L68] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L69] var_1_10 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L70] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L71] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L71] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L73] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L74] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L74] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L75] var_1_14 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L77] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L77] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L78] var_1_15 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L79] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L80] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L80] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L81] var_1_16 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L82] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L83] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L83] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L84] var_1_17 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L85] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L86] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L86] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L87] var_1_19 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L88] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=101, var_1_8=-100] [L89] var_1_21 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-1, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-1, var_1_7=101, var_1_8=-100] [L90] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-1, var_1_7=101, var_1_8=-100] [L91] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-1, var_1_7=101, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-1, var_1_7=101, var_1_8=-100] [L91] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-1, var_1_7=101, var_1_8=-100] [L105] RET updateVariables() [L106] CALL step() [L40] var_1_18 = var_1_19 [L41] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-1, var_1_21=-1, var_1_7=101, var_1_8=-100] [L42] COND TRUE (var_1_18 / var_1_10) >= (var_1_18 / 128.6) [L43] var_1_8 = ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-1, var_1_21=-1, var_1_7=101, var_1_8=1] [L51] signed long int stepLocal_0 = (var_1_8 * var_1_20) * var_1_8; VAL [isInitial=1, last_1_var_1_8=-100, stepLocal_0=-1, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-1, var_1_21=-1, var_1_7=101, var_1_8=1] [L52] COND TRUE stepLocal_0 < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8))) [L53] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_8=-100, stepLocal_0=-1, var_1_12=128, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=2, var_1_19=2, var_1_1=101, var_1_20=-1, var_1_21=-1, var_1_7=101, var_1_8=1] [L57] COND FALSE !((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) [L62] var_1_12 = var_1_17 VAL [isInitial=1, last_1_var_1_8=-100, stepLocal_0=-1, var_1_12=254, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=2, var_1_19=2, var_1_1=101, var_1_20=-1, var_1_21=-1, var_1_7=101, var_1_8=1] [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return (((((((var_1_8 * var_1_20) * var_1_8) < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8)))) ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_7))) && (((var_1_18 / var_1_10) >= (var_1_18 / 128.6)) ? (var_1_8 == ((signed long int) ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20))) : ((var_1_18 <= var_1_10) ? (var_1_8 == ((signed long int) 256)) : (var_1_8 == ((signed long int) var_1_20))))) && (((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) ? (var_1_15 ? (var_1_12 == ((unsigned char) (((((var_1_16 - var_1_14)) > (var_1_7)) ? ((var_1_16 - var_1_14)) : (var_1_7))))) : 1) : (var_1_12 == ((unsigned char) var_1_17)))) && (var_1_18 == ((float) var_1_19))) && (var_1_20 == ((signed char) var_1_21)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=-100, var_1_12=254, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=2, var_1_19=2, var_1_1=101, var_1_20=-1, var_1_21=-1, var_1_7=101, var_1_8=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=-100, var_1_12=254, var_1_13=227, var_1_14=127, var_1_15=1, var_1_16=254, var_1_17=254, var_1_18=2, var_1_19=2, var_1_1=101, var_1_20=-1, var_1_21=-1, var_1_7=101, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 61 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 245 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 544/544 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 [2023-11-29 04:17:53,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya --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 a8c2d97c2882a994777e966d3b18e90f3e85f7655f986ab0cecfa48a6a366e79 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:17:55,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:17:55,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:17:55,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:17:55,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:17:55,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:17:55,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:17:55,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:17:55,922 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:17:55,923 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:17:55,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:17:55,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:17:55,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:17:55,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:17:55,926 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:17:55,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:17:55,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:17:55,928 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:17:55,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:17:55,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:17:55,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:17:55,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:17:55,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:17:55,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:17:55,931 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:17:55,931 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:17:55,932 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:17:55,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:17:55,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:17:55,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:17:55,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:17:55,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:17:55,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:17:55,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:17:55,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:17:55,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:17:55,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:17:55,935 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:17:55,935 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:17:55,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:17:55,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:17:55,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:17:55,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:17:55,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:17:55,936 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:17:55,936 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_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8c2d97c2882a994777e966d3b18e90f3e85f7655f986ab0cecfa48a6a366e79 [2023-11-29 04:17:56,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:17:56,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:17:56,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:17:56,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:17:56,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:17:56,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i [2023-11-29 04:17:59,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:17:59,358 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:17:59,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i [2023-11-29 04:17:59,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/data/c0f9a1452/b797093db4874237b3f58010f0f72d01/FLAG450fc563d [2023-11-29 04:17:59,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/data/c0f9a1452/b797093db4874237b3f58010f0f72d01 [2023-11-29 04:17:59,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:17:59,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:17:59,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:17:59,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:17:59,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:17:59,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f66d521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59, skipping insertion in model container [2023-11-29 04:17:59,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:17:59,598 WARN L240 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_c81c9863-1596-4684-a54f-2951c685ed9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i[913,926] [2023-11-29 04:17:59,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:17:59,655 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:17:59,669 WARN L240 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_c81c9863-1596-4684-a54f-2951c685ed9a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-75.i[913,926] [2023-11-29 04:17:59,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:17:59,709 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:17:59,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59 WrapperNode [2023-11-29 04:17:59,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:17:59,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:17:59,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:17:59,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:17:59,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,757 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2023-11-29 04:17:59,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:17:59,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:17:59,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:17:59,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:17:59,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,776 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,789 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]. [2023-11-29 04:17:59,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:17:59,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:17:59,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:17:59,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:17:59,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (1/1) ... [2023-11-29 04:17:59,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:17:59,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:17:59,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:17:59,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:17:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:17:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:17:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:17:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:17:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:17:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:17:59,957 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:17:59,959 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:18:14,727 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:18:14,774 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:18:14,775 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:18:14,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:18:14 BoogieIcfgContainer [2023-11-29 04:18:14,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:18:14,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:18:14,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:18:14,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:18:14,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:17:59" (1/3) ... [2023-11-29 04:18:14,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2813ad36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:18:14, skipping insertion in model container [2023-11-29 04:18:14,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:17:59" (2/3) ... [2023-11-29 04:18:14,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2813ad36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:18:14, skipping insertion in model container [2023-11-29 04:18:14,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:18:14" (3/3) ... [2023-11-29 04:18:14,785 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-75.i [2023-11-29 04:18:14,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:18:14,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:18:14,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:18:14,861 INFO L357 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, mHoare=true, 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;@273f948f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:18:14,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:18:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:18:14,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 04:18:14,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:18:14,877 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:18:14,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:18:14,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:18:14,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1944865103, now seen corresponding path program 1 times [2023-11-29 04:18:14,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:18:14,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464201526] [2023-11-29 04:18:14,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:18:14,893 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 [2023-11-29 04:18:14,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:18:14,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 04:18:14,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:18:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:18:16,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:18:16,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:18:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-29 04:18:16,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:18:16,544 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:18:16,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464201526] [2023-11-29 04:18:16,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464201526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:18:16,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:18:16,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:18:16,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86059057] [2023-11-29 04:18:16,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:18:16,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:18:16,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:18:16,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:18:16,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:18:16,584 INFO L87 Difference]: Start difference. First operand has 45 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:18:23,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:18:23,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:18:23,548 INFO L93 Difference]: Finished difference Result 87 states and 153 transitions. [2023-11-29 04:18:24,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:18:24,288 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2023-11-29 04:18:24,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:18:24,294 INFO L225 Difference]: With dead ends: 87 [2023-11-29 04:18:24,294 INFO L226 Difference]: Without dead ends: 43 [2023-11-29 04:18:24,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:18:24,300 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:18:24,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2023-11-29 04:18:24,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-29 04:18:24,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-29 04:18:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 04:18:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 64 transitions. [2023-11-29 04:18:24,339 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 64 transitions. Word has length 103 [2023-11-29 04:18:24,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:18:24,339 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 64 transitions. [2023-11-29 04:18:24,339 INFO L496 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 04:18:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2023-11-29 04:18:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-29 04:18:24,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:18:24,342 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:18:24,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:18:24,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:18:24,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:18:24,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:18:24,544 INFO L85 PathProgramCache]: Analyzing trace with hash -651391347, now seen corresponding path program 1 times [2023-11-29 04:18:24,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:18:24,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472347488] [2023-11-29 04:18:24,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:18:24,546 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 [2023-11-29 04:18:24,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:18:24,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 04:18:24,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:18:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:18:26,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 04:18:26,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:18:47,165 WARN L293 SmtUtils]: Spent 9.77s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:18:55,980 WARN L293 SmtUtils]: Spent 8.81s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:19:05,760 WARN L293 SmtUtils]: Spent 9.78s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:19:15,622 WARN L293 SmtUtils]: Spent 9.86s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:19:25,613 WARN L293 SmtUtils]: Spent 9.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:19:35,446 WARN L293 SmtUtils]: Spent 9.83s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:19:45,301 WARN L293 SmtUtils]: Spent 9.85s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:19:55,224 WARN L293 SmtUtils]: Spent 9.92s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:20:05,046 WARN L293 SmtUtils]: Spent 9.82s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:20:16,455 WARN L293 SmtUtils]: Spent 11.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:20:26,274 WARN L293 SmtUtils]: Spent 9.82s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:20:30,669 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~var_1_21~0 c_~var_1_20~0) (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_18~0 c_~var_1_19~0) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0))) (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_10~0) (fp.div c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0))))) (= (bvadd (_ bv100 32) c_~var_1_8~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse1 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse1)))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_19~0 (fp.neg .cse2)) (fp.geq c_~var_1_19~0 (fp.neg .cse3))) (and (fp.leq c_~var_1_19~0 .cse3) (fp.geq c_~var_1_19~0 .cse2)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-29 04:20:35,452 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~var_1_21~0 c_~var_1_20~0) (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_18~0 c_~var_1_19~0) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0))) (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_10~0) (fp.div c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0))))) (= (bvadd (_ bv100 32) c_~var_1_8~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_20~0))) (bvadd .cse1 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse1)))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_19~0 (fp.neg .cse2)) (fp.geq c_~var_1_19~0 (fp.neg .cse3))) (and (fp.leq c_~var_1_19~0 .cse3) (fp.geq c_~var_1_19~0 .cse2)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-11-29 04:20:45,344 WARN L293 SmtUtils]: Spent 9.84s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:20:54,193 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:21:04,036 WARN L293 SmtUtils]: Spent 9.84s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:21:13,883 WARN L293 SmtUtils]: Spent 9.85s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:21:23,750 WARN L293 SmtUtils]: Spent 9.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:21:33,604 WARN L293 SmtUtils]: Spent 9.85s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:21:43,486 WARN L293 SmtUtils]: Spent 9.88s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:21:53,385 WARN L293 SmtUtils]: Spent 9.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:22:03,273 WARN L293 SmtUtils]: Spent 9.89s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:22:13,148 WARN L293 SmtUtils]: Spent 9.87s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:22:24,790 WARN L293 SmtUtils]: Spent 11.64s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:22:34,754 WARN L293 SmtUtils]: Spent 9.96s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:22:39,188 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (and (= |c_ULTIMATE.start_step_~stepLocal_0~0#1| (bvmul c_~var_1_8~0 c_~var_1_8~0 .cse0)) (= c_~var_1_21~0 c_~var_1_20~0) (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_18~0 c_~var_1_19~0) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0))) (fp.geq (fp.div c_currentRoundingMode .cse1 c_~var_1_10~0) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0))))) (= (bvadd (_ bv100 32) c_~var_1_8~0) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_19~0 (fp.neg .cse2)) (fp.geq c_~var_1_19~0 (fp.neg .cse3))) (and (fp.leq c_~var_1_19~0 .cse3) (fp.geq c_~var_1_19~0 .cse2)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-11-29 04:22:43,970 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_20~0))) (and (= |c_ULTIMATE.start_step_~stepLocal_0~0#1| (bvmul c_~var_1_8~0 c_~var_1_8~0 .cse0)) (= c_~var_1_21~0 c_~var_1_20~0) (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_18~0 c_~var_1_19~0) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0))) (fp.geq (fp.div c_currentRoundingMode .cse1 c_~var_1_10~0) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0))))) (= (bvadd (_ bv100 32) c_~var_1_8~0) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse0))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_19~0 (fp.neg .cse2)) (fp.geq c_~var_1_19~0 (fp.neg .cse3))) (and (fp.leq c_~var_1_19~0 .cse3) (fp.geq c_~var_1_19~0 .cse2)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-11-29 04:22:53,862 WARN L293 SmtUtils]: Spent 9.86s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:03,693 WARN L293 SmtUtils]: Spent 9.83s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:12,556 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:22,431 WARN L293 SmtUtils]: Spent 9.87s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:32,332 WARN L293 SmtUtils]: Spent 9.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:42,270 WARN L293 SmtUtils]: Spent 9.94s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:52,158 WARN L293 SmtUtils]: Spent 9.89s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:03,690 WARN L293 SmtUtils]: Spent 9.73s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:13,566 WARN L293 SmtUtils]: Spent 9.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:23,465 WARN L293 SmtUtils]: Spent 9.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:33,387 WARN L293 SmtUtils]: Spent 9.92s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:43,289 WARN L293 SmtUtils]: Spent 9.90s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:53,165 WARN L293 SmtUtils]: Spent 9.88s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:25:04,652 WARN L293 SmtUtils]: Spent 11.49s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:25:14,578 WARN L293 SmtUtils]: Spent 9.92s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:25:19,017 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) c_~var_1_20~0))) (and (= c_~var_1_21~0 c_~var_1_20~0) (= (_ bv0 32) (bvadd (_ bv100 32) c_~last_1_var_1_8~0)) (= c_~var_1_7~0 c_~var_1_1~0) (= c_~var_1_18~0 c_~var_1_19~0) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_18~0))) (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_10~0) (fp.div c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 643.0 5.0))))) (let ((.cse1 (bvmul c_~var_1_8~0 c_~var_1_8~0 .cse2))) (or (bvslt .cse1 .cse2) (and (bvslt .cse1 c_~var_1_8~0) (not (bvsgt .cse2 c_~var_1_8~0))))) (= (bvadd (_ bv100 32) c_~var_1_8~0) (bvadd .cse2 ((_ zero_extend 24) c_~var_1_7~0) (bvneg .cse2))) (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_19~0 (fp.neg .cse3)) (fp.geq c_~var_1_19~0 (fp.neg .cse4))) (and (fp.leq c_~var_1_19~0 .cse4) (fp.geq c_~var_1_19~0 .cse3)))) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-11-29 04:25:21,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2023-11-29 04:25:21,721 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-29 04:25:21,722 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:25:21,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472347488] [2023-11-29 04:25:21,723 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-29 04:25:21,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:25:21,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:25:21,925 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:867) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:579) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 44 more [2023-11-29 04:25:21,929 INFO L158 Benchmark]: Toolchain (without parser) took 442537.03ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 49.3MB in the beginning and 63.9MB in the end (delta: -14.7MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-11-29 04:25:21,930 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:25:21,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.84ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 36.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:25:21,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.27ms. Allocated memory is still 75.5MB. Free memory was 36.2MB in the beginning and 34.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:25:21,931 INFO L158 Benchmark]: Boogie Preprocessor took 54.18ms. Allocated memory is still 75.5MB. Free memory was 34.0MB in the beginning and 31.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:25:21,932 INFO L158 Benchmark]: RCFGBuilder took 14954.28ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 35.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:25:21,932 INFO L158 Benchmark]: TraceAbstraction took 427150.18ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 34.9MB in the beginning and 63.9MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:25:21,935 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.84ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 36.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.27ms. Allocated memory is still 75.5MB. Free memory was 36.2MB in the beginning and 34.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.18ms. Allocated memory is still 75.5MB. Free memory was 34.0MB in the beginning and 31.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 14954.28ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 35.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 427150.18ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 34.9MB in the beginning and 63.9MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81c9863-1596-4684-a54f-2951c685ed9a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")