./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.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_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/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_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/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_098c117c-86cd-43b2-a9bc-c93d60a1a609/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 276665dc6e625a61dc2ccb3f599e36b7d7e4c6f98ac725a766d4de866c89eedf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:06,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:06,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:12:06,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:06,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:06,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:06,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:06,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:06,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:12:06,277 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:12:06,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:06,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:06,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:06,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:06,280 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:06,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:06,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:12:06,282 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:12:06,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:12:06,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:12:06,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:06,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:12:06,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:06,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:12:06,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:12:06,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:12:06,287 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:06,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:06,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:06,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:06,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:06,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:06,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:06,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:06,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:12:06,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:12:06,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:12:06,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:06,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:06,292 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:12:06,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:06,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:06,293 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_098c117c-86cd-43b2-a9bc-c93d60a1a609/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 276665dc6e625a61dc2ccb3f599e36b7d7e4c6f98ac725a766d4de866c89eedf [2023-11-21 22:12:06,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:06,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:06,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:06,637 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:06,638 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:06,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i [2023-11-21 22:12:10,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:10,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:10,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i [2023-11-21 22:12:10,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/data/591f72d98/5f37e433300b4044a9be1569db177f2f/FLAGd8f06888d [2023-11-21 22:12:10,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/data/591f72d98/5f37e433300b4044a9be1569db177f2f [2023-11-21 22:12:10,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:10,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:10,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:10,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:10,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:10,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:10,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1096276e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10, skipping insertion in model container [2023-11-21 22:12:10,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:10,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:10,819 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_098c117c-86cd-43b2-a9bc-c93d60a1a609/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i[913,926] [2023-11-21 22:12:10,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:10,878 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:12:10,892 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_098c117c-86cd-43b2-a9bc-c93d60a1a609/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i[913,926] [2023-11-21 22:12:10,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:10,934 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:12:10,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10 WrapperNode [2023-11-21 22:12:10,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:10,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:10,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:12:10,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:12:10,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:10,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:10,988 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2023-11-21 22:12:10,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:10,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:10,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:10,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:11,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,005 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,016 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:12:11,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:11,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:11,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:11,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:11,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (1/1) ... [2023-11-21 22:12:11,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:11,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:11,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:11,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:12:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:12:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:12:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:11,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:11,273 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:11,276 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:12:11,665 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:11,918 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:11,918 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:12:11,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:11 BoogieIcfgContainer [2023-11-21 22:12:11,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:11,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:11,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:11,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:11,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:12:10" (1/3) ... [2023-11-21 22:12:11,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bd236c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:11, skipping insertion in model container [2023-11-21 22:12:11,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:10" (2/3) ... [2023-11-21 22:12:11,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bd236c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:11, skipping insertion in model container [2023-11-21 22:12:11,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:11" (3/3) ... [2023-11-21 22:12:11,929 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-10.i [2023-11-21 22:12:11,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:11,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:12:12,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:12,009 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;@749d89d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:12,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:12:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:12:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 22:12:12,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:12,026 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:12,026 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:12,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:12,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1980960793, now seen corresponding path program 1 times [2023-11-21 22:12:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:12,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29416386] [2023-11-21 22:12:12,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:12,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:12:12,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:12:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:12:12,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:12:12,734 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:12:12,736 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:12:12,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:12:12,743 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:12:12,747 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:12:12,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:12:12 BoogieIcfgContainer [2023-11-21 22:12:12,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:12:12,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:12:12,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:12:12,886 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:12:12,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:11" (3/4) ... [2023-11-21 22:12:12,889 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:12:12,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:12:12,892 INFO L158 Benchmark]: Toolchain (without parser) took 2299.80ms. Allocated memory is still 192.9MB. Free memory was 160.8MB in the beginning and 131.8MB in the end (delta: 29.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-21 22:12:12,893 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:12,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.19ms. Allocated memory is still 192.9MB. Free memory was 160.8MB in the beginning and 148.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:12:12,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.14ms. Allocated memory is still 192.9MB. Free memory was 148.2MB in the beginning and 145.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:12:12,896 INFO L158 Benchmark]: Boogie Preprocessor took 46.34ms. Allocated memory is still 192.9MB. Free memory was 145.7MB in the beginning and 143.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:12:12,902 INFO L158 Benchmark]: RCFGBuilder took 883.08ms. Allocated memory is still 192.9MB. Free memory was 143.2MB in the beginning and 116.4MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 22:12:12,904 INFO L158 Benchmark]: TraceAbstraction took 961.14ms. Allocated memory is still 192.9MB. Free memory was 115.7MB in the beginning and 131.8MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:12,905 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 192.9MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:12,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.19ms. Allocated memory is still 192.9MB. Free memory was 160.8MB in the beginning and 148.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.14ms. Allocated memory is still 192.9MB. Free memory was 148.2MB in the beginning and 145.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.34ms. Allocated memory is still 192.9MB. Free memory was 145.7MB in the beginning and 143.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 883.08ms. Allocated memory is still 192.9MB. Free memory was 143.2MB in the beginning and 116.4MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 961.14ms. Allocated memory is still 192.9MB. Free memory was 115.7MB in the beginning and 131.8MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 192.9MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someUnaryDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 8; [L24] double var_1_3 = 9.15; [L25] double var_1_6 = 1000000.875; [L26] double var_1_7 = 49.25; [L27] double var_1_8 = -0.8; [L28] signed char var_1_9 = -10; [L29] unsigned short int var_1_10 = 58996; [L30] unsigned short int var_1_11 = 32; [L31] signed char var_1_12 = 32; [L32] signed char var_1_13 = 16; [L33] signed char var_1_14 = 2; [L34] signed long int var_1_15 = 32; [L35] signed long int var_1_17 = 1000000000; [L36] float var_1_18 = -0.5; [L37] signed char var_1_19 = 2; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; [L40] double last_1_var_1_3 = 9.15; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] last_1_var_1_3 = var_1_3 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_9=-10] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_9=-10] [L73] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_9=-10] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_9=-10] [L74] var_1_6 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=197/4, var_1_9=-10] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=197/4, var_1_9=-10] [L76] var_1_7 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_9=-10] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_9=-10] [L78] var_1_8 = __VERIFIER_nondet_double() [L79] 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_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L79] 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_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L80] var_1_10 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L82] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L83] var_1_11 = __VERIFIER_nondet_ushort() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L85] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L86] var_1_12 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L88] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L89] var_1_13 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L91] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L92] var_1_14 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L94] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L95] var_1_17 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L97] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L98] var_1_21 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_21 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_21 >= 1) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L100] CALL assume_abort_if_not(var_1_21 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_21 <= 1) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967294, var_1_3=183/20, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=-10] [L114] RET updateVariables() [L115] CALL step() [L44] var_1_1 = var_1_2 [L45] var_1_18 = var_1_8 [L46] var_1_19 = var_1_12 [L47] var_1_20 = var_1_21 [L48] signed char stepLocal_1 = var_1_19; [L49] COND FALSE !((- (var_1_10 - var_1_11)) >= stepLocal_1) [L52] var_1_9 = ((((var_1_12) < (var_1_14)) ? (var_1_12) : (var_1_14))) [L54] COND TRUE \read(var_1_20) [L55] var_1_15 = (var_1_12 - var_1_14) [L59] signed long int stepLocal_0 = var_1_15; [L60] COND TRUE stepLocal_0 < var_1_1 [L61] var_1_3 = -0.5 [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((((var_1_1 == ((unsigned long int) var_1_2)) && ((var_1_15 < var_1_1) ? (var_1_3 == ((double) -0.5)) : (((- last_1_var_1_3) == (var_1_6 - var_1_7)) ? (var_1_3 == ((double) var_1_8)) : (var_1_3 == ((double) var_1_8))))) && (((- (var_1_10 - var_1_11)) >= var_1_19) ? (var_1_9 == ((signed char) (var_1_12 - ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14)))))) : (var_1_9 == ((signed char) ((((var_1_12) < (var_1_14)) ? (var_1_12) : (var_1_14))))))) && (var_1_20 ? (var_1_15 == ((signed long int) (var_1_12 - var_1_14))) : (var_1_15 == ((signed long int) (var_1_13 - ((var_1_17 - 4) + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) && (var_1_18 == ((float) var_1_8))) && (var_1_19 == ((signed char) var_1_12))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=126, var_1_17=536870911, var_1_18=1000000007, var_1_19=126, var_1_1=4294967294, var_1_20=1, var_1_21=1, var_1_2=4294967294, var_1_3=1000000007, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=0, var_1_12=126, var_1_13=0, var_1_14=0, var_1_15=126, var_1_17=536870911, var_1_18=1000000007, var_1_19=126, var_1_1=4294967294, var_1_20=1, var_1_21=1, var_1_2=4294967294, var_1_3=1000000007, var_1_6=1000000006, var_1_7=1000000005, var_1_8=1000000007, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 19, 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=39occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 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 22:12:12,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/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_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/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_098c117c-86cd-43b2-a9bc-c93d60a1a609/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 276665dc6e625a61dc2ccb3f599e36b7d7e4c6f98ac725a766d4de866c89eedf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:15,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:16,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:12:16,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:16,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:16,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:16,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:16,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:16,170 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:12:16,176 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:12:16,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:16,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:16,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:16,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:16,181 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:16,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:16,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:12:16,183 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:12:16,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:12:16,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:16,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:12:16,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:16,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:12:16,188 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:12:16,188 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:12:16,189 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:12:16,189 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:12:16,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:12:16,190 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:16,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:16,192 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:16,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:16,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:16,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:16,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:16,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:16,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:12:16,196 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:12:16,196 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:12:16,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:16,197 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:16,197 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:12:16,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:16,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:16,199 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:12:16,199 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_098c117c-86cd-43b2-a9bc-c93d60a1a609/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 276665dc6e625a61dc2ccb3f599e36b7d7e4c6f98ac725a766d4de866c89eedf [2023-11-21 22:12:16,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:16,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:16,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:16,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:16,691 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:16,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i [2023-11-21 22:12:20,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:20,538 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:20,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i [2023-11-21 22:12:20,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/data/78799c920/0dfd52eb88874c16bd3377262fff8dfa/FLAG2c6c28e35 [2023-11-21 22:12:20,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/data/78799c920/0dfd52eb88874c16bd3377262fff8dfa [2023-11-21 22:12:20,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:20,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:20,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:20,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:20,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:20,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:20,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10af0153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20, skipping insertion in model container [2023-11-21 22:12:20,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:20,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:20,844 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_098c117c-86cd-43b2-a9bc-c93d60a1a609/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i[913,926] [2023-11-21 22:12:20,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:20,918 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:12:20,935 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_098c117c-86cd-43b2-a9bc-c93d60a1a609/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-10.i[913,926] [2023-11-21 22:12:20,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:20,995 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:12:20,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20 WrapperNode [2023-11-21 22:12:20,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:20,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:20,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:12:20,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:12:21,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,062 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2023-11-21 22:12:21,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:21,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:21,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:21,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:21,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,085 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,100 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:12:21,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:21,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:21,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:21,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:21,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (1/1) ... [2023-11-21 22:12:21,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:21,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:21,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:21,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:12:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:12:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:12:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:21,397 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:21,400 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:12:22,325 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:22,572 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:22,573 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:12:22,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:22 BoogieIcfgContainer [2023-11-21 22:12:22,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:22,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:22,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:22,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:22,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:12:20" (1/3) ... [2023-11-21 22:12:22,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6915d5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:22, skipping insertion in model container [2023-11-21 22:12:22,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:20" (2/3) ... [2023-11-21 22:12:22,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6915d5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:22, skipping insertion in model container [2023-11-21 22:12:22,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:22" (3/3) ... [2023-11-21 22:12:22,595 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-10.i [2023-11-21 22:12:22,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:22,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:12:22,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:22,703 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;@75f60c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:22,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:12:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:12:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 22:12:22,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:22,724 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:12:22,725 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:22,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:22,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1980960793, now seen corresponding path program 1 times [2023-11-21 22:12:22,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:12:22,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815867224] [2023-11-21 22:12:22,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:22,747 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 22:12:22,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:12:22,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/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 22:12:22,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098c117c-86cd-43b2-a9bc-c93d60a1a609/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 22:12:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:23,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 22:12:23,160 INFO L285 TraceCheckSpWp]: Computing forward predicates...