./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/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_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/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_ffec1139-cc81-4bad-90ec-38760950dc1a/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 13c8c8fb2a848ec9a9bd5e56f712fb4656339c11d6a7907cbd93e2a606641c6c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:59:19,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:59:19,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 20:59:19,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:59:19,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:59:19,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:59:19,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:59:19,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:59:19,440 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:59:19,445 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:59:19,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:59:19,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:59:19,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:59:19,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:59:19,450 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:59:19,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:59:19,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:59:19,452 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:59:19,452 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:59:19,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:59:19,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:59:19,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:59:19,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:59:19,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:59:19,455 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:59:19,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:59:19,455 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:59:19,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:59:19,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:59:19,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:59:19,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:59:19,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:19,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:59:19,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:59:19,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:59:19,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:59:19,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:59:19,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:59:19,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:59:19,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:59:19,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:59:19,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:59:19,469 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_ffec1139-cc81-4bad-90ec-38760950dc1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13c8c8fb2a848ec9a9bd5e56f712fb4656339c11d6a7907cbd93e2a606641c6c [2023-11-21 20:59:19,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:59:19,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:59:19,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:59:19,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:59:19,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:59:19,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i [2023-11-21 20:59:22,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:59:23,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:59:23,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i [2023-11-21 20:59:23,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/data/8f8013927/d8c1143431d84f56a26670c513596d07/FLAGd5e02f51a [2023-11-21 20:59:23,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/data/8f8013927/d8c1143431d84f56a26670c513596d07 [2023-11-21 20:59:23,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:59:23,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:59:23,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:23,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:59:23,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:59:23,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f51f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23, skipping insertion in model container [2023-11-21 20:59:23,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:59:23,416 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_ffec1139-cc81-4bad-90ec-38760950dc1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i[913,926] [2023-11-21 20:59:23,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:23,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:59:23,501 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_ffec1139-cc81-4bad-90ec-38760950dc1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i[913,926] [2023-11-21 20:59:23,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:23,561 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:59:23,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23 WrapperNode [2023-11-21 20:59:23,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:23,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:23,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:59:23,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:59:23,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,627 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2023-11-21 20:59:23,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:23,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:59:23,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:59:23,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:59:23,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,645 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,657 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 20:59:23,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:59:23,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:59:23,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:59:23,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:59:23,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (1/1) ... [2023-11-21 20:59:23,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:23,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:23,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:23,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:59:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:59:23,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 20:59:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 20:59:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 20:59:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:59:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:59:23,864 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:59:23,867 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:59:24,190 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:59:24,420 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:59:24,421 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 20:59:24,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:24 BoogieIcfgContainer [2023-11-21 20:59:24,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:59:24,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:59:24,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:59:24,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:59:24,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:59:23" (1/3) ... [2023-11-21 20:59:24,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbd208f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:59:24, skipping insertion in model container [2023-11-21 20:59:24,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:23" (2/3) ... [2023-11-21 20:59:24,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbd208f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:59:24, skipping insertion in model container [2023-11-21 20:59:24,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:24" (3/3) ... [2023-11-21 20:59:24,433 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-16.i [2023-11-21 20:59:24,452 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:59:24,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 20:59:24,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:59:24,525 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;@2f660056, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:59:24,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 20:59:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-21 20:59:24,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 20:59:24,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:59:24,540 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:24,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 20:59:24,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:24,546 INFO L85 PathProgramCache]: Analyzing trace with hash -587829641, now seen corresponding path program 1 times [2023-11-21 20:59:24,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:24,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661011425] [2023-11-21 20:59:24,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:24,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:24,746 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 20:59:24,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [608886260] [2023-11-21 20:59:24,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:24,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 20:59:24,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:24,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 20:59:24,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 20:59:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:24,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:25,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:25,116 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 20:59:25,118 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 20:59:25,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:25,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 20:59:25,346 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 20:59:25,351 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 20:59:25,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 08:59:25 BoogieIcfgContainer [2023-11-21 20:59:25,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 20:59:25,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 20:59:25,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 20:59:25,449 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 20:59:25,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:24" (3/4) ... [2023-11-21 20:59:25,452 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 20:59:25,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 20:59:25,455 INFO L158 Benchmark]: Toolchain (without parser) took 2253.58ms. Allocated memory is still 167.8MB. Free memory was 137.6MB in the beginning and 74.2MB in the end (delta: 63.4MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2023-11-21 20:59:25,455 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:59:25,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.90ms. Allocated memory is still 167.8MB. Free memory was 137.6MB in the beginning and 125.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 20:59:25,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.30ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:59:25,457 INFO L158 Benchmark]: Boogie Preprocessor took 46.63ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 120.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 20:59:25,458 INFO L158 Benchmark]: RCFGBuilder took 746.21ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 111.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 20:59:25,459 INFO L158 Benchmark]: TraceAbstraction took 1023.63ms. Allocated memory is still 167.8MB. Free memory was 110.6MB in the beginning and 74.2MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 20:59:25,459 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 167.8MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:59:25,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.90ms. Allocated memory is still 167.8MB. Free memory was 137.6MB in the beginning and 125.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.30ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.63ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 120.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 746.21ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 111.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1023.63ms. Allocated memory is still 167.8MB. Free memory was 110.6MB in the beginning and 74.2MB in the end (delta: 36.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 167.8MB. Free memory is still 74.2MB. 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 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed short int var_1_3 = 4; [L24] signed short int var_1_4 = 256; [L25] unsigned char var_1_5 = 0; [L26] unsigned char var_1_6 = 1; [L27] float var_1_7 = 1000000.8; [L28] float var_1_8 = 3.8; [L29] signed char var_1_9 = 25; [L30] float var_1_10 = 2.75; [L31] signed char var_1_11 = 0; [L32] signed char var_1_12 = 32; [L33] signed char var_1_13 = 2; [L34] signed char var_1_14 = 2; [L35] signed short int var_1_15 = -32; [L36] signed char last_1_var_1_9 = 25; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_9 = var_1_9 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L69] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L70] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L71] var_1_4 = __VERIFIER_nondet_short() [L72] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L74] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L75] var_1_5 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L77] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L78] var_1_6 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L80] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L81] var_1_8 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] 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_9=25, var_1_10=3, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L84] 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_9=25, var_1_10=3, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L85] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L86] var_1_11 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L88] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_12 >= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L91] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L92] var_1_13 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L94] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L95] var_1_14 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=71, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=71, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L97] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=71, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=71, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=2, var_1_9=25] [L111] RET updateVariables() [L112] CALL step() [L40] COND FALSE !((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) [L43] var_1_7 = var_1_8 [L44] signed char stepLocal_2 = var_1_11; [L45] unsigned char stepLocal_1 = 99999.375 <= var_1_10; [L46] COND TRUE var_1_13 <= stepLocal_2 [L47] COND TRUE (var_1_8 < var_1_7) && stepLocal_1 [L48] var_1_15 = (var_1_13 + var_1_14) [L53] unsigned char stepLocal_0 = var_1_6; [L54] COND TRUE var_1_8 < (var_1_7 / var_1_10) [L55] COND TRUE var_1_1 || stepLocal_0 [L56] var_1_9 = ((((((var_1_11) > (5)) ? (var_1_11) : (5))) + (var_1_12 - var_1_13)) - var_1_14) [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) ? (var_1_1 == ((unsigned char) (var_1_5 || var_1_6))) : 1) && (var_1_7 == ((float) var_1_8))) && ((var_1_8 < (var_1_7 / var_1_10)) ? ((var_1_1 || var_1_6) ? (var_1_9 == ((signed char) ((((((var_1_11) > (5)) ? (var_1_11) : (5))) + (var_1_12 - var_1_13)) - var_1_14))) : ((var_1_10 > var_1_8) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_12)))) : 1)) && ((var_1_13 <= var_1_11) ? (((var_1_8 < var_1_7) && (99999.375 <= var_1_10)) ? (var_1_15 == ((signed short int) (var_1_13 + var_1_14))) : 1) : (var_1_15 == ((signed short int) -25))) ; [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_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=71, var_1_15=102, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=24] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=25, var_1_10=3, var_1_11=63, var_1_12=63, var_1_13=31, var_1_14=71, var_1_15=102, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=24] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 21, 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=40occurred 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 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 20:59:25,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/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_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/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_ffec1139-cc81-4bad-90ec-38760950dc1a/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 13c8c8fb2a848ec9a9bd5e56f712fb4656339c11d6a7907cbd93e2a606641c6c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:59:28,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:59:28,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 20:59:28,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:59:28,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:59:28,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:59:28,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:59:28,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:59:28,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:59:28,498 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:59:28,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:59:28,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:59:28,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:59:28,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:59:28,502 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:59:28,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:59:28,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:59:28,504 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:59:28,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:59:28,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:59:28,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:59:28,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:59:28,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:59:28,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 20:59:28,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 20:59:28,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 20:59:28,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:59:28,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:59:28,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:59:28,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:59:28,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:59:28,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:59:28,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:59:28,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:28,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:59:28,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:59:28,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:59:28,517 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 20:59:28,518 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 20:59:28,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:59:28,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:59:28,519 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:59:28,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:59:28,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:59:28,520 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 20:59:28,520 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_ffec1139-cc81-4bad-90ec-38760950dc1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13c8c8fb2a848ec9a9bd5e56f712fb4656339c11d6a7907cbd93e2a606641c6c [2023-11-21 20:59:28,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:59:28,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:59:28,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:59:28,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:59:28,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:59:28,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i [2023-11-21 20:59:32,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:59:32,575 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:59:32,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i [2023-11-21 20:59:32,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/data/1afd96d8d/1d5361f1f6ff4d7792385c0d63d5df59/FLAG517d650fc [2023-11-21 20:59:32,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/data/1afd96d8d/1d5361f1f6ff4d7792385c0d63d5df59 [2023-11-21 20:59:32,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:59:32,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:59:32,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:32,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:59:32,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:59:32,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:32,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d7cf77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32, skipping insertion in model container [2023-11-21 20:59:32,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:32,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:59:32,810 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_ffec1139-cc81-4bad-90ec-38760950dc1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i[913,926] [2023-11-21 20:59:32,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:32,871 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:59:32,884 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_ffec1139-cc81-4bad-90ec-38760950dc1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i[913,926] [2023-11-21 20:59:32,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:32,931 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:59:32,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32 WrapperNode [2023-11-21 20:59:32,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:32,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:32,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:59:32,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:59:32,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:32,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:32,992 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-21 20:59:32,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:32,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:59:32,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:59:32,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:59:33,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,007 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,017 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 20:59:33,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:59:33,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:59:33,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:59:33,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:59:33,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (1/1) ... [2023-11-21 20:59:33,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:33,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:33,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:33,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:59:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:59:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 20:59:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 20:59:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 20:59:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:59:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:59:33,305 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:59:33,308 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:59:37,675 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:59:37,817 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:59:37,817 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 20:59:37,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:37 BoogieIcfgContainer [2023-11-21 20:59:37,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:59:37,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:59:37,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:59:37,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:59:37,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:59:32" (1/3) ... [2023-11-21 20:59:37,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c985fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:59:37, skipping insertion in model container [2023-11-21 20:59:37,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:32" (2/3) ... [2023-11-21 20:59:37,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c985fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:59:37, skipping insertion in model container [2023-11-21 20:59:37,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:37" (3/3) ... [2023-11-21 20:59:37,837 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-16.i [2023-11-21 20:59:37,855 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:59:37,855 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 20:59:37,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:59:37,935 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;@39a6240a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:59:37,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 20:59:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-21 20:59:37,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 20:59:37,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:59:37,953 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:59:37,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 20:59:37,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:37,960 INFO L85 PathProgramCache]: Analyzing trace with hash -587829641, now seen corresponding path program 1 times [2023-11-21 20:59:37,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 20:59:37,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936754925] [2023-11-21 20:59:37,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:37,975 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 20:59:37,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 20:59:37,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/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 20:59:37,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffec1139-cc81-4bad-90ec-38760950dc1a/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 20:59:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:38,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 20:59:38,472 INFO L285 TraceCheckSpWp]: Computing forward predicates...