./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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 0ccee0229556691a937cdcac01dc95204eb56d830547417b519006af3a6e2b5c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:19:09,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:19:09,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:19:09,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:19:09,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:19:09,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:19:09,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:19:09,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:19:09,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:19:09,693 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:19:09,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:19:09,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:19:09,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:19:09,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:19:09,697 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:19:09,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:19:09,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:19:09,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:19:09,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:19:09,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:19:09,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:19:09,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:19:09,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:19:09,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:19:09,702 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:19:09,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:19:09,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:19:09,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:19:09,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:19:09,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:19:09,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:19:09,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:09,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:19:09,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:19:09,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:19:09,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:19:09,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:19:09,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:19:09,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:19:09,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:19:09,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:19:09,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:19:09,720 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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ccee0229556691a937cdcac01dc95204eb56d830547417b519006af3a6e2b5c [2023-11-21 22:19:10,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:19:10,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:19:10,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:19:10,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:19:10,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:19:10,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i [2023-11-21 22:19:13,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:19:13,670 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:19:13,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i [2023-11-21 22:19:13,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/data/c92abe9da/5b950ba0ab184e0881afeb4cd0b0a194/FLAG76d95d18c [2023-11-21 22:19:13,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/data/c92abe9da/5b950ba0ab184e0881afeb4cd0b0a194 [2023-11-21 22:19:13,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:19:13,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:19:13,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:13,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:19:13,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:19:13,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:13" (1/1) ... [2023-11-21 22:19:13,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad74afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:13, skipping insertion in model container [2023-11-21 22:19:13,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:13" (1/1) ... [2023-11-21 22:19:13,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:19:13,953 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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i[913,926] [2023-11-21 22:19:14,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:14,033 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:19:14,046 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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i[913,926] [2023-11-21 22:19:14,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:14,102 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:19:14,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14 WrapperNode [2023-11-21 22:19:14,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:14,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:14,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:19:14,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:19:14,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,203 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-11-21 22:19:14,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:14,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:19:14,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:19:14,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:19:14,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,223 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,245 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:19:14,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:19:14,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:19:14,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:19:14,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:19:14,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (1/1) ... [2023-11-21 22:19:14,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:14,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:19:14,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:19:14,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:19:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:19:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:19:14,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:19:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:19:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:19:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:19:14,520 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:19:14,523 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:19:15,074 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:19:15,432 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:19:15,432 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:19:15,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:15 BoogieIcfgContainer [2023-11-21 22:19:15,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:19:15,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:19:15,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:19:15,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:19:15,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:19:13" (1/3) ... [2023-11-21 22:19:15,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4edee2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:15, skipping insertion in model container [2023-11-21 22:19:15,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:14" (2/3) ... [2023-11-21 22:19:15,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4edee2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:15, skipping insertion in model container [2023-11-21 22:19:15,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:15" (3/3) ... [2023-11-21 22:19:15,446 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-10.i [2023-11-21 22:19:15,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:19:15,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:19:15,530 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:19:15,538 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;@3b23c93e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:19:15,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:19:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-21 22:19:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 22:19:15,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:15,558 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:15,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:19:15,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash -815779789, now seen corresponding path program 1 times [2023-11-21 22:19:15,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:15,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701712907] [2023-11-21 22:19:15,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:15,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:16,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:19:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:19:17,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:19:17,468 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:19:17,470 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:19:17,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:19:17,477 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:19:17,483 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:19:17,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:19:17 BoogieIcfgContainer [2023-11-21 22:19:17,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:19:17,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:19:17,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:19:17,620 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:19:17,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:15" (3/4) ... [2023-11-21 22:19:17,626 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:19:17,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:19:17,629 INFO L158 Benchmark]: Toolchain (without parser) took 3925.50ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 105.1MB in the beginning and 110.9MB in the end (delta: -5.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-21 22:19:17,630 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:19:17,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.13ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 91.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:19:17,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.73ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 86.2MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:19:17,638 INFO L158 Benchmark]: Boogie Preprocessor took 69.00ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 78.6MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:19:17,640 INFO L158 Benchmark]: RCFGBuilder took 1160.05ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 78.6MB in the beginning and 135.4MB in the end (delta: -56.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-11-21 22:19:17,641 INFO L158 Benchmark]: TraceAbstraction took 2181.28ms. Allocated memory is still 199.2MB. Free memory was 134.3MB in the beginning and 110.9MB in the end (delta: 23.4MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2023-11-21 22:19:17,642 INFO L158 Benchmark]: Witness Printer took 7.88ms. Allocated memory is still 199.2MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:19:17,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.13ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 91.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.73ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 86.2MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.00ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 78.6MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.05ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 78.6MB in the beginning and 135.4MB in the end (delta: -56.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2181.28ms. Allocated memory is still 199.2MB. Free memory was 134.3MB in the beginning and 110.9MB in the end (delta: 23.4MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Witness Printer took 7.88ms. Allocated memory is still 199.2MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned short int var_1_4 = 58792; [L26] unsigned short int var_1_5 = 8; [L27] unsigned short int var_1_6 = 64; [L28] unsigned short int var_1_7 = 16; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 1; [L31] signed short int var_1_10 = 1000; [L32] signed short int var_1_11 = 1; [L33] signed short int var_1_12 = -25; [L34] signed short int var_1_13 = 25; [L35] unsigned short int var_1_14 = 5; [L36] unsigned char var_1_15 = 0; [L37] unsigned short int var_1_16 = 20511; [L38] unsigned long int var_1_17 = 50; [L39] unsigned short int var_1_18 = 10; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] FCALL updateLastVariables() [L129] CALL updateVariables() [L81] var_1_2 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L84] var_1_3 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L87] var_1_4 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L90] var_1_5 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L93] var_1_6 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L96] var_1_7 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L99] var_1_9 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L102] var_1_11 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L105] var_1_12 = __VERIFIER_nondet_short() [L106] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L108] var_1_13 = __VERIFIER_nondet_short() [L109] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L111] var_1_15 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=1, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=1, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L113] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=1, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=1, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L114] var_1_16 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L116] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=0, var_1_9=1] [L129] RET updateVariables() [L130] CALL step() [L43] COND FALSE !(var_1_2 && var_1_3) [L46] COND FALSE !(((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) [L50] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) [L51] COND TRUE var_1_1 < var_1_6 [L52] COND TRUE (var_1_6 != var_1_5) || var_1_9 [L53] var_1_10 = (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L60] COND TRUE \read(var_1_15) [L61] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) [L63] EXPR var_1_16 << var_1_7 [L63] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L63] COND FALSE !(((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) [L66] var_1_17 = (var_1_6 + var_1_5) [L68] COND TRUE var_1_5 == var_1_16 [L69] COND FALSE !(\read(var_1_2)) [L72] var_1_18 = var_1_4 [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_1 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_15 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L121] EXPR var_1_16 << var_1_7 [L121] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L121] EXPR var_1_16 << var_1_7 [L121] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L121] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_1 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_15 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L121-L122] return ((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_1 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_15 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_2 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=10000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=49151, var_1_15=1, var_1_16=16383, var_1_17=32766, var_1_18=65534, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=10000, var_1_11=0, var_1_12=16383, var_1_13=16385, var_1_14=49151, var_1_15=1, var_1_16=16383, var_1_17=32766, var_1_18=65534, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=65534, var_1_5=16383, var_1_6=16383, var_1_7=16384, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 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 22:19:17,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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 0ccee0229556691a937cdcac01dc95204eb56d830547417b519006af3a6e2b5c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:19:20,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:19:20,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:19:20,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:19:20,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:19:20,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:19:20,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:19:20,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:19:20,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:19:20,460 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:19:20,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:19:20,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:19:20,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:19:20,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:19:20,463 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:19:20,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:19:20,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:19:20,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:19:20,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:19:20,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:19:20,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:19:20,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:19:20,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:19:20,467 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:19:20,468 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:19:20,468 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:19:20,469 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:19:20,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:19:20,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:19:20,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:19:20,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:19:20,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:19:20,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:19:20,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:20,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:19:20,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:19:20,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:19:20,473 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:19:20,473 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:19:20,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:19:20,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:19:20,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:19:20,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:19:20,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:19:20,474 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:19:20,474 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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ccee0229556691a937cdcac01dc95204eb56d830547417b519006af3a6e2b5c [2023-11-21 22:19:20,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:19:20,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:19:20,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:19:20,911 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:19:20,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:19:20,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i [2023-11-21 22:19:24,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:19:24,492 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:19:24,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i [2023-11-21 22:19:24,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/data/8db2a3a1a/caf6d0a30fa946388d4d811d1670c694/FLAG431570e12 [2023-11-21 22:19:24,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/data/8db2a3a1a/caf6d0a30fa946388d4d811d1670c694 [2023-11-21 22:19:24,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:19:24,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:19:24,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:24,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:19:24,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:19:24,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:24,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fabcfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24, skipping insertion in model container [2023-11-21 22:19:24,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:24,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:19:24,797 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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i[913,926] [2023-11-21 22:19:24,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:24,910 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:19:24,929 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_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i[913,926] [2023-11-21 22:19:24,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:24,998 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:19:24,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24 WrapperNode [2023-11-21 22:19:24,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:25,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:25,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:19:25,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:19:25,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,056 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-11-21 22:19:25,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:25,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:19:25,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:19:25,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:19:25,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,074 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,086 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:19:25,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:19:25,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:19:25,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:19:25,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:19:25,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (1/1) ... [2023-11-21 22:19:25,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:25,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:19:25,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:19:25,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:19:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:19:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:19:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:19:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:19:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:19:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:19:25,302 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:19:25,305 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:19:25,756 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:19:25,966 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:19:25,967 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:19:25,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:25 BoogieIcfgContainer [2023-11-21 22:19:25,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:19:25,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:19:25,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:19:25,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:19:25,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:19:24" (1/3) ... [2023-11-21 22:19:25,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70754e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:25, skipping insertion in model container [2023-11-21 22:19:25,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:24" (2/3) ... [2023-11-21 22:19:25,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70754e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:25, skipping insertion in model container [2023-11-21 22:19:25,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:25" (3/3) ... [2023-11-21 22:19:25,978 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-10.i [2023-11-21 22:19:25,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:19:25,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:19:26,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:19:26,073 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;@648d80d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:19:26,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:19:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-21 22:19:26,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 22:19:26,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:26,091 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:26,092 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:19:26,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:26,099 INFO L85 PathProgramCache]: Analyzing trace with hash 152677491, now seen corresponding path program 1 times [2023-11-21 22:19:26,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:19:26,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398693646] [2023-11-21 22:19:26,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:26,117 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 22:19:26,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:19:26,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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 22:19:26,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3298d65f-81e8-4192-80fb-9e9c7bfff0ca/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 22:19:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:26,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 22:19:26,434 INFO L285 TraceCheckSpWp]: Computing forward predicates...