./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx --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 d3d49bb1f74e012be1245469fa76b9503965ad20a85190ceb0369ab50675c511 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:14,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:14,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:22:14,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:14,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:14,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:14,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:14,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:14,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:14,414 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:14,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:22:14,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:22:14,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:14,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:14,418 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:14,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:14,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:22:14,420 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:14,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:22:14,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:14,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:14,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:22:14,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:22:14,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:22:14,448 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:14,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:14,449 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:14,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:14,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:14,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:22:14,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:22:14,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:14,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:14,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:22:14,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:22:14,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:22:14,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:22:14,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:22:14,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:22:14,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:22:14,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:22:14,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:22:14,457 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_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3d49bb1f74e012be1245469fa76b9503965ad20a85190ceb0369ab50675c511 [2023-11-21 22:22:14,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:14,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:14,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:14,809 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:14,810 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:14,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i [2023-11-21 22:22:17,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:18,178 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:18,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i [2023-11-21 22:22:18,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/data/5d805cadb/15e78e50bdfa4effaca529a35351f139/FLAG892bb115c [2023-11-21 22:22:18,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/data/5d805cadb/15e78e50bdfa4effaca529a35351f139 [2023-11-21 22:22:18,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:18,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:18,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:18,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:18,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:18,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b497221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18, skipping insertion in model container [2023-11-21 22:22:18,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:18,413 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_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2023-11-21 22:22:18,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:18,475 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:18,488 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_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2023-11-21 22:22:18,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:18,532 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:18,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18 WrapperNode [2023-11-21 22:22:18,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:18,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:18,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:18,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:18,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,630 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2023-11-21 22:22:18,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:18,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:18,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:18,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:18,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,654 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,671 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:22:18,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:18,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:18,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:18,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:18,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (1/1) ... [2023-11-21 22:22:18,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:18,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:18,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:18,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:22:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:22:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:22:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:18,921 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:18,924 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:19,361 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:19,741 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:19,742 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:22:19,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:19 BoogieIcfgContainer [2023-11-21 22:22:19,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:19,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:22:19,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:22:19,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:22:19,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:22:18" (1/3) ... [2023-11-21 22:22:19,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260ff396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:19, skipping insertion in model container [2023-11-21 22:22:19,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:18" (2/3) ... [2023-11-21 22:22:19,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260ff396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:19, skipping insertion in model container [2023-11-21 22:22:19,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:19" (3/3) ... [2023-11-21 22:22:19,758 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-30.i [2023-11-21 22:22:19,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:22:19,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:22:19,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:22:19,850 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;@58259d02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:22:19,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:22:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2023-11-21 22:22:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 22:22:19,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:19,866 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:22:19,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:19,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:19,873 INFO L85 PathProgramCache]: Analyzing trace with hash 480952373, now seen corresponding path program 1 times [2023-11-21 22:22:19,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:19,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423852951] [2023-11-21 22:22:19,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:19,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:20,091 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:22:20,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [133440906] [2023-11-21 22:22:20,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:20,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:22:20,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:20,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:22:20,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:22:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:20,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:20,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:20,493 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:22:20,495 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:22:20,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:20,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:22:20,711 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:22:20,715 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:22:20,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:22:20 BoogieIcfgContainer [2023-11-21 22:22:20,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:22:20,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:22:20,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:22:20,819 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:22:20,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:19" (3/4) ... [2023-11-21 22:22:20,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:22:20,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:22:20,825 INFO L158 Benchmark]: Toolchain (without parser) took 2617.12ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 124.7MB in the beginning and 178.9MB in the end (delta: -54.2MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-21 22:22:20,825 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 172.0MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:20,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.65ms. Allocated memory is still 172.0MB. Free memory was 124.1MB in the beginning and 111.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:22:20,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.08ms. Allocated memory is still 172.0MB. Free memory was 111.5MB in the beginning and 107.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:22:20,828 INFO L158 Benchmark]: Boogie Preprocessor took 90.48ms. Allocated memory is still 172.0MB. Free memory was 107.9MB in the beginning and 103.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:22:20,829 INFO L158 Benchmark]: RCFGBuilder took 1021.29ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 103.1MB in the beginning and 213.5MB in the end (delta: -110.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-21 22:22:20,829 INFO L158 Benchmark]: TraceAbstraction took 1069.60ms. Allocated memory is still 251.7MB. Free memory was 212.5MB in the beginning and 178.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 22:22:20,830 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 251.7MB. Free memory is still 178.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:20,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 172.0MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.65ms. Allocated memory is still 172.0MB. Free memory was 124.1MB in the beginning and 111.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.08ms. Allocated memory is still 172.0MB. Free memory was 111.5MB in the beginning and 107.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.48ms. Allocated memory is still 172.0MB. Free memory was 107.9MB in the beginning and 103.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1021.29ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 103.1MB in the beginning and 213.5MB in the end (delta: -110.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1069.60ms. Allocated memory is still 251.7MB. Free memory was 212.5MB in the beginning and 178.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 251.7MB. Free memory is still 178.9MB. 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 someBinaryFLOATComparisonOperation at line 103, overapproximation of shiftLeft at line 61, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 64; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = 8; [L25] signed short int var_1_6 = -32; [L26] unsigned char var_1_7 = 128; [L27] unsigned char var_1_8 = 10; [L28] unsigned char var_1_9 = 2; [L29] signed long int var_1_10 = 0; [L30] float var_1_11 = 32.5; [L31] float var_1_13 = 127.8; [L32] float var_1_14 = 999.25; [L33] float var_1_15 = 1000000000.5; [L34] float var_1_16 = 256.6; [L35] signed long int last_1_var_1_10 = 0; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_10 = var_1_10 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L75] var_1_5 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L77] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L78] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L79] var_1_6 = __VERIFIER_nondet_short() [L80] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=128, var_1_8=10, var_1_9=2] [L81] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=128, var_1_8=10, var_1_9=2] [L82] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=128, var_1_8=10, var_1_9=2] [L83] var_1_7 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=10, var_1_9=2] [L85] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=10, var_1_9=2] [L86] var_1_8 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=2] [L88] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=2] [L89] var_1_9 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L91] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=639/5, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L92] var_1_13 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=2, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=2, var_1_14=3997/4, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L94] var_1_14 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=2, var_1_14=3, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=2, var_1_14=3, var_1_15=2000000001/2, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L96] var_1_15 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=1283/5, var_1_1=64, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L111] RET updateVariables() [L112] CALL step() [L39] signed long int stepLocal_0 = (last_1_var_1_10 / var_1_5) % var_1_6; [L40] COND FALSE !(\read(var_1_2)) [L45] var_1_1 = var_1_9 [L47] unsigned char stepLocal_2 = var_1_1; [L48] signed long int stepLocal_1 = var_1_1 + var_1_1; [L49] COND TRUE stepLocal_1 < var_1_6 [L50] COND FALSE !(\read(var_1_2)) [L55] var_1_10 = var_1_8 [L60] unsigned char stepLocal_4 = var_1_1; [L61] EXPR (var_1_9 / var_1_5) << var_1_6 [L61] signed long int stepLocal_3 = (var_1_9 / var_1_5) << var_1_6; [L62] COND TRUE stepLocal_4 > var_1_10 [L63] COND FALSE !(var_1_1 <= stepLocal_3) [L69] var_1_16 = var_1_15 [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR ((var_1_2 ? ((last_1_var_1_10 > ((last_1_var_1_10 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) ((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) > (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9))))) : 1) : (var_1_1 == ((unsigned char) var_1_9))) && (((var_1_1 + var_1_1) < var_1_6) ? (var_1_2 ? ((var_1_5 > var_1_1) ? (var_1_10 == ((signed long int) var_1_1)) : 1) : (var_1_10 == ((signed long int) var_1_8))) : (var_1_10 == ((signed long int) var_1_9)))) && ((var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15)))) [L103] EXPR (var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15))) [L103] EXPR (var_1_9 / var_1_5) << var_1_6 [L103] EXPR (var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15))) [L103] EXPR ((var_1_2 ? ((last_1_var_1_10 > ((last_1_var_1_10 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) ((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) > (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9))))) : 1) : (var_1_1 == ((unsigned char) var_1_9))) && (((var_1_1 + var_1_1) < var_1_6) ? (var_1_2 ? ((var_1_5 > var_1_1) ? (var_1_10 == ((signed long int) var_1_1)) : 1) : (var_1_10 == ((signed long int) var_1_8))) : (var_1_10 == ((signed long int) var_1_9)))) && ((var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15)))) [L103-L104] return (((var_1_2 ? ((last_1_var_1_10 > ((last_1_var_1_10 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) ((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) > (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9))))) : 1) : (var_1_1 == ((unsigned char) var_1_9))) && (((var_1_1 + var_1_1) < var_1_6) ? (var_1_2 ? ((var_1_5 > var_1_1) ? (var_1_10 == ((signed long int) var_1_1)) : 1) : (var_1_10 == ((signed long int) var_1_8))) : (var_1_10 == ((signed long int) var_1_9)))) && ((var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((float) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((float) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15))))) && (var_1_16 == ((float) var_1_15)) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=4, var_1_1=5, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=65/2, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=4, var_1_1=5, var_1_2=0, var_1_5=-3, var_1_6=11, var_1_7=0, var_1_8=0, var_1_9=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-21 22:22:20,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx --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 d3d49bb1f74e012be1245469fa76b9503965ad20a85190ceb0369ab50675c511 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:23,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:23,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:22:23,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:23,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:23,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:23,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:23,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:23,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:23,759 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:23,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:22:23,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:22:23,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:23,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:23,763 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:23,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:23,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:22:23,765 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:23,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:23,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:23,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:22:23,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:22:23,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:22:23,768 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:22:23,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:22:23,769 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:22:23,770 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:23,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:23,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:23,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:23,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:23,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:22:23,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:22:23,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:23,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:23,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:22:23,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:22:23,775 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:22:23,775 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:22:23,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:22:23,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:22:23,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:22:23,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:22:23,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:22:23,777 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:22:23,777 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_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3d49bb1f74e012be1245469fa76b9503965ad20a85190ceb0369ab50675c511 [2023-11-21 22:22:24,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:24,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:24,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:24,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:24,264 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:24,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i [2023-11-21 22:22:27,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:27,634 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:27,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i [2023-11-21 22:22:27,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/data/426b37752/83ddeb9487f24a55a66d06d1205fab18/FLAG95a1c494f [2023-11-21 22:22:27,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/data/426b37752/83ddeb9487f24a55a66d06d1205fab18 [2023-11-21 22:22:27,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:27,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:27,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:27,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:27,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:27,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:27" (1/1) ... [2023-11-21 22:22:27,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f863a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:27, skipping insertion in model container [2023-11-21 22:22:27,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:27" (1/1) ... [2023-11-21 22:22:27,735 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:27,938 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_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2023-11-21 22:22:28,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:28,033 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:28,052 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_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-30.i[913,926] [2023-11-21 22:22:28,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:28,115 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:28,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28 WrapperNode [2023-11-21 22:22:28,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:28,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:28,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:28,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:28,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,220 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-21 22:22:28,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:28,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:28,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:28,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:28,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,242 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,253 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:22:28,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:28,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:28,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:28,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:28,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (1/1) ... [2023-11-21 22:22:28,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:28,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:28,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:28,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:22:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:22:28,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:22:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:28,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:28,498 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:28,500 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:29,337 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:29,513 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:29,519 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:22:29,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:29 BoogieIcfgContainer [2023-11-21 22:22:29,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:29,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:22:29,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:22:29,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:22:29,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:22:27" (1/3) ... [2023-11-21 22:22:29,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477b504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:29, skipping insertion in model container [2023-11-21 22:22:29,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:28" (2/3) ... [2023-11-21 22:22:29,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477b504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:29, skipping insertion in model container [2023-11-21 22:22:29,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:29" (3/3) ... [2023-11-21 22:22:29,532 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-30.i [2023-11-21 22:22:29,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:22:29,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:22:29,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:22:29,610 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;@48df3d3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:22:29,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:22:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2023-11-21 22:22:29,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 22:22:29,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:29,626 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:22:29,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:29,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:29,634 INFO L85 PathProgramCache]: Analyzing trace with hash 968483495, now seen corresponding path program 1 times [2023-11-21 22:22:29,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:22:29,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647637428] [2023-11-21 22:22:29,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:29,652 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 [2023-11-21 22:22:29,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:22:29,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:22:29,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4349e0ec-f26f-4b53-ad2f-5bcc09062c38/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:22:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:30,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 22:22:30,531 INFO L285 TraceCheckSpWp]: Computing forward predicates...