./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:16:38,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:16:38,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:16:38,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:16:38,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:16:38,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:16:38,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:16:38,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:16:38,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:16:38,978 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:16:38,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:16:38,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:16:38,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:16:38,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:16:38,982 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:16:38,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:16:38,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:16:38,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:16:38,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:16:38,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:16:38,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:16:38,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:16:38,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:16:38,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:16:38,987 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:16:38,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:16:38,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:16:38,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:16:38,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:16:38,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:16:38,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:16:38,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:38,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:16:38,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:16:38,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:16:38,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:16:38,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:16:38,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:16:38,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:16:38,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:16:38,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:16:38,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:16:38,995 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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 [2023-11-21 22:16:39,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:16:39,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:16:39,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:16:39,316 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:16:39,316 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:16:39,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2023-11-21 22:16:42,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:16:42,735 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:16:42,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2023-11-21 22:16:42,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/data/36c57cc4c/2ac7b58b6eae479cb8b307835bb54bb9/FLAG8248b53c9 [2023-11-21 22:16:42,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/data/36c57cc4c/2ac7b58b6eae479cb8b307835bb54bb9 [2023-11-21 22:16:42,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:16:42,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:16:42,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:42,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:16:42,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:16:42,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:42" (1/1) ... [2023-11-21 22:16:42,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f261fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:42, skipping insertion in model container [2023-11-21 22:16:42,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:42" (1/1) ... [2023-11-21 22:16:42,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:16:43,092 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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i[912,925] [2023-11-21 22:16:43,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:43,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:16:43,219 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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i[912,925] [2023-11-21 22:16:43,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:43,291 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:16:43,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43 WrapperNode [2023-11-21 22:16:43,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:43,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:43,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:16:43,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:16:43,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,384 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-21 22:16:43,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:43,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:16:43,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:16:43,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:16:43,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,409 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,426 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:16:43,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:16:43,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:16:43,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:16:43,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:16:43,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (1/1) ... [2023-11-21 22:16:43,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:43,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:43,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:43,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:16:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:16:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:16:43,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:16:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:16:43,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:16:43,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:16:43,735 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:16:43,740 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:16:44,265 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:16:44,533 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:16:44,533 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:16:44,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:44 BoogieIcfgContainer [2023-11-21 22:16:44,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:16:44,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:16:44,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:16:44,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:16:44,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:16:42" (1/3) ... [2023-11-21 22:16:44,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5370ead9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:44, skipping insertion in model container [2023-11-21 22:16:44,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:43" (2/3) ... [2023-11-21 22:16:44,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5370ead9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:44, skipping insertion in model container [2023-11-21 22:16:44,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:44" (3/3) ... [2023-11-21 22:16:44,547 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-1.i [2023-11-21 22:16:44,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:16:44,572 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:16:44,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:16:44,641 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;@30163d90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:16:44,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:16:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 22:16:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 22:16:44,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:16:44,659 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:16:44,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:16:44,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:44,666 INFO L85 PathProgramCache]: Analyzing trace with hash 329770908, now seen corresponding path program 1 times [2023-11-21 22:16:44,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:16:44,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093616617] [2023-11-21 22:16:44,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:44,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:16:44,902 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:16:44,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804049070] [2023-11-21 22:16:44,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:44,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:16:44,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:44,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:16:44,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:16:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:45,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:16:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:16:45,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:16:45,239 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:16:45,241 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:16:45,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-21 22:16:45,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:16:45,469 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:16:45,472 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:16:45,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:16:45 BoogieIcfgContainer [2023-11-21 22:16:45,548 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:16:45,548 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:16:45,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:16:45,549 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:16:45,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:44" (3/4) ... [2023-11-21 22:16:45,552 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:16:45,553 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:16:45,554 INFO L158 Benchmark]: Toolchain (without parser) took 2769.46ms. Allocated memory is still 174.1MB. Free memory was 128.4MB in the beginning and 95.3MB in the end (delta: 33.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-11-21 22:16:45,555 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:45,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.95ms. Allocated memory is still 174.1MB. Free memory was 128.1MB in the beginning and 115.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:16:45,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.34ms. Allocated memory is still 174.1MB. Free memory was 115.9MB in the beginning and 113.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:16:45,557 INFO L158 Benchmark]: Boogie Preprocessor took 82.60ms. Allocated memory is still 174.1MB. Free memory was 113.4MB in the beginning and 110.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:16:45,558 INFO L158 Benchmark]: RCFGBuilder took 1060.04ms. Allocated memory is still 174.1MB. Free memory was 110.9MB in the beginning and 126.7MB in the end (delta: -15.8MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-21 22:16:45,558 INFO L158 Benchmark]: TraceAbstraction took 1009.53ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 95.3MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 22:16:45,559 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 174.1MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:16:45,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.95ms. Allocated memory is still 174.1MB. Free memory was 128.1MB in the beginning and 115.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.34ms. Allocated memory is still 174.1MB. Free memory was 115.9MB in the beginning and 113.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.60ms. Allocated memory is still 174.1MB. Free memory was 113.4MB in the beginning and 110.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1060.04ms. Allocated memory is still 174.1MB. Free memory was 110.9MB in the beginning and 126.7MB in the end (delta: -15.8MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1009.53ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 95.3MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 174.1MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of shiftLeft at line 57, overapproximation of someUnaryFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 5.5; [L23] float var_1_2 = 10.375; [L24] float var_1_3 = 127.5; [L25] float var_1_4 = 256.2; [L26] unsigned char var_1_5 = 1; [L27] signed long int var_1_6 = 5; [L28] unsigned char var_1_7 = 1; [L29] signed long int var_1_10 = 32; [L30] signed long int var_1_11 = 2; [L31] unsigned long int var_1_12 = 16; [L32] unsigned char var_1_13 = 50; [L33] signed long int var_1_15 = 100000000; [L34] signed short int var_1_16 = 2; [L35] unsigned long int last_1_var_1_12 = 16; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_12 = var_1_12 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L72] var_1_3 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L74] var_1_4 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=5, var_1_7=1] [L76] var_1_5 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=1] [L78] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=1] [L79] var_1_7 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L81] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L84] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L85] var_1_11 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L87] CALL assume_abort_if_not(var_1_11 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L88] var_1_13 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=92, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=92, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L90] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=92, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=92, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L91] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=92, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=92, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=5, var_1_7=0] [L105] RET updateVariables() [L106] CALL step() [L39] COND TRUE var_1_2 <= (- var_1_3) [L40] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L48] var_1_16 = var_1_13 [L49] unsigned char stepLocal_0 = var_1_7; [L50] COND FALSE !(var_1_5 || stepLocal_0) [L53] var_1_6 = ((var_1_10 + var_1_11) - 4) [L55] signed long int stepLocal_3 = var_1_11; [L56] signed long int stepLocal_2 = var_1_16 + var_1_11; [L57] EXPR var_1_11 << var_1_16 [L57] signed long int stepLocal_1 = var_1_11 << var_1_16; [L58] COND FALSE !(stepLocal_1 != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) [L67] var_1_15 = var_1_16 [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1) [L97-L98] return (((((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1)) && (var_1_15 == ((signed long int) var_1_16))) && (var_1_16 == ((signed short int) var_1_13)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=92, var_1_15=92, var_1_16=92, var_1_1=4, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=-4, var_1_7=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=92, var_1_15=92, var_1_16=92, var_1_1=4, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=-4, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 14, 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=31occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 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 22:16:45,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:16:48,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:16:48,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:16:48,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:16:48,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:16:48,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:16:48,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:16:48,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:16:48,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:16:48,762 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:16:48,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:16:48,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:16:48,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:16:48,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:16:48,766 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:16:48,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:16:48,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:16:48,768 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:16:48,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:16:48,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:16:48,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:16:48,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:16:48,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:16:48,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:16:48,772 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:16:48,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:16:48,773 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:16:48,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:16:48,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:16:48,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:16:48,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:16:48,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:16:48,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:16:48,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:48,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:16:48,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:16:48,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:16:48,779 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:16:48,779 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:16:48,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:16:48,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:16:48,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:16:48,780 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:16:48,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:16:48,781 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:16:48,781 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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 [2023-11-21 22:16:49,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:16:49,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:16:49,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:16:49,264 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:16:49,265 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:16:49,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2023-11-21 22:16:52,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:16:53,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:16:53,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2023-11-21 22:16:53,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/data/ef4f2eb2d/0e24c24aad9e4890be91856ea4522519/FLAG41de0d240 [2023-11-21 22:16:53,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/data/ef4f2eb2d/0e24c24aad9e4890be91856ea4522519 [2023-11-21 22:16:53,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:16:53,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:16:53,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:53,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:16:53,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:16:53,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1caf4519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53, skipping insertion in model container [2023-11-21 22:16:53,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,414 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:16:53,600 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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i[912,925] [2023-11-21 22:16:53,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:53,658 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:16:53,672 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_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i[912,925] [2023-11-21 22:16:53,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:16:53,750 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:16:53,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53 WrapperNode [2023-11-21 22:16:53,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:16:53,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:53,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:16:53,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:16:53,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,831 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2023-11-21 22:16:53,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:16:53,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:16:53,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:16:53,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:16:53,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,861 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,886 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:16:53,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:16:53,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:16:53,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:16:53,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:16:53,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (1/1) ... [2023-11-21 22:16:53,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:16:53,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:16:54,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:16:54,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:16:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:16:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:16:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:16:54,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:16:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:16:54,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:16:54,233 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:16:54,235 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:16:54,589 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:16:54,765 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:16:54,766 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:16:54,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:54 BoogieIcfgContainer [2023-11-21 22:16:54,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:16:54,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:16:54,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:16:54,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:16:54,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:16:53" (1/3) ... [2023-11-21 22:16:54,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d153d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:54, skipping insertion in model container [2023-11-21 22:16:54,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:53" (2/3) ... [2023-11-21 22:16:54,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d153d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:16:54, skipping insertion in model container [2023-11-21 22:16:54,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:54" (3/3) ... [2023-11-21 22:16:54,777 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-1.i [2023-11-21 22:16:54,797 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:16:54,797 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:16:54,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:16:54,855 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;@5741dce9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:16:54,860 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:16:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 22:16:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 22:16:54,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:16:54,876 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:16:54,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:16:54,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:16:54,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1832457864, now seen corresponding path program 1 times [2023-11-21 22:16:54,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:16:54,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579852054] [2023-11-21 22:16:54,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:16:54,926 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 22:16:54,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:16:54,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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 22:16:54,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994770ca-44a0-48b8-a6e8-db6c4bd44dd1/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 22:16:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:16:55,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 22:16:55,324 INFO L285 TraceCheckSpWp]: Computing forward predicates...