./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d64e07e8d5a10e089b0a19820fd0c594aa38dab419d8164489758563af2a155 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:06,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:06,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:12:06,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:06,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:06,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:06,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:06,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:06,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:06,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:06,423 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:06,423 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:06,424 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:06,424 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:06,425 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:06,426 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:06,426 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:06,427 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:06,427 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:06,428 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:06,429 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:06,429 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:06,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:06,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:06,432 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:12:06,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:06,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:12:06,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:06,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:06,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:06,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:06,435 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:12:06,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:06,436 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:06,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:06,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:06,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:06,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:06,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:06,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:06,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:06,440 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:06,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:06,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:06,441 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:06,441 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:06,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:06,442 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d64e07e8d5a10e089b0a19820fd0c594aa38dab419d8164489758563af2a155 [2023-11-23 21:12:06,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:06,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:06,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:06,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:06,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:06,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i [2023-11-23 21:12:09,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:10,086 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:10,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i [2023-11-23 21:12:10,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/data/70d0d9a4d/1a5fac6e016144b189c0df47670d8f30/FLAGb3fc49510 [2023-11-23 21:12:10,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/data/70d0d9a4d/1a5fac6e016144b189c0df47670d8f30 [2023-11-23 21:12:10,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:10,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:10,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:10,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:10,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:10,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d511de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10, skipping insertion in model container [2023-11-23 21:12:10,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:10,328 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_f535e6ff-3328-40ff-9823-42701bedc637/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i[913,926] [2023-11-23 21:12:10,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:10,400 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:10,413 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i[913,926] [2023-11-23 21:12:10,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:10,468 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:10,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10 WrapperNode [2023-11-23 21:12:10,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:10,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:10,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:10,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:10,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,555 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-23 21:12:10,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:10,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:10,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:10,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:10,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:10,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:10,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:10,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:10,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (1/1) ... [2023-11-23 21:12:10,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:10,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:10,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:10,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:10,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:10,826 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:10,829 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:11,350 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:11,555 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:11,555 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:11,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:11 BoogieIcfgContainer [2023-11-23 21:12:11,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:11,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:11,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:11,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:11,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:10" (1/3) ... [2023-11-23 21:12:11,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b00912a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:11, skipping insertion in model container [2023-11-23 21:12:11,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:10" (2/3) ... [2023-11-23 21:12:11,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b00912a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:11, skipping insertion in model container [2023-11-23 21:12:11,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:11" (3/3) ... [2023-11-23 21:12:11,567 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-33.i [2023-11-23 21:12:11,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:11,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:11,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:11,664 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=FINITE_AUTOMATA, 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;@21069bea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:11,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:12:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 21:12:11,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:11,689 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:11,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:11,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:11,694 INFO L85 PathProgramCache]: Analyzing trace with hash -2141027031, now seen corresponding path program 1 times [2023-11-23 21:12:11,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:11,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299537281] [2023-11-23 21:12:11,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:11,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:11,955 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:12:11,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974035137] [2023-11-23 21:12:11,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:11,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:11,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:11,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:12:11,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:12:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:12,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:12:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:12,497 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:12:12,500 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:12:12,501 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:12:12,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:12,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:12,733 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:12:12,737 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:12:12,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:12 BoogieIcfgContainer [2023-11-23 21:12:12,851 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:12:12,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:12:12,852 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:12:12,853 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:12:12,853 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:11" (3/4) ... [2023-11-23 21:12:12,856 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:12:12,857 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:12:12,859 INFO L158 Benchmark]: Toolchain (without parser) took 2740.87ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 134.5MB in the beginning and 147.9MB in the end (delta: -13.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-23 21:12:12,860 INFO L158 Benchmark]: CDTParser took 5.45ms. Allocated memory is still 117.4MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:12,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.07ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 121.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:12:12,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.13ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 117.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:12:12,862 INFO L158 Benchmark]: Boogie Preprocessor took 44.42ms. Allocated memory is still 165.7MB. Free memory was 117.1MB in the beginning and 115.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:12,863 INFO L158 Benchmark]: RCFGBuilder took 955.77ms. Allocated memory is still 165.7MB. Free memory was 115.0MB in the beginning and 96.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:12:12,863 INFO L158 Benchmark]: TraceAbstraction took 1291.41ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 95.0MB in the beginning and 147.9MB in the end (delta: -52.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:12,864 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 199.2MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:12,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.45ms. Allocated memory is still 117.4MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.07ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 121.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.13ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 117.1MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.42ms. Allocated memory is still 165.7MB. Free memory was 117.1MB in the beginning and 115.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 955.77ms. Allocated memory is still 165.7MB. Free memory was 115.0MB in the beginning and 96.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1291.41ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 95.0MB in the beginning and 147.9MB in the end (delta: -52.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 199.2MB. Free memory is still 147.9MB. 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 someBinaryDOUBLEComparisonOperation at line 54, overapproximation of bitwiseOr at line 47, overapproximation of someUnaryDOUBLEoperation at line 30. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned char var_1_2 = 10; [L24] signed long int var_1_3 = 64; [L25] signed long int var_1_4 = 50; [L26] signed short int var_1_5 = -10; [L27] signed short int var_1_6 = 25; [L28] unsigned short int var_1_7 = 256; [L29] double var_1_8 = 4.58; [L30] double var_1_9 = -0.1; [L31] unsigned char var_1_10 = 1; [L32] signed short int var_1_11 = 0; [L33] unsigned char var_1_12 = 0; [L34] unsigned char var_1_13 = 1; [L35] signed char var_1_14 = -16; [L36] signed char var_1_15 = 8; [L37] signed char var_1_16 = 8; [L38] signed char var_1_17 = 10; [L39] signed char var_1_18 = 0; [L40] unsigned long int var_1_19 = 16; [L41] signed char var_1_20 = 10; [L42] signed char var_1_21 = -50; [L127] isInitial = 1 [L128] FCALL initially() [L129] COND TRUE 1 [L130] FCALL updateLastVariables() [L131] CALL updateVariables() [L77] var_1_2 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=64, var_1_4=50, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=64, var_1_4=50, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L79] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=64, var_1_4=50, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=64, var_1_4=50, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L80] var_1_3 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=50, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=50, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L82] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=50, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=50, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L83] var_1_4 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L85] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=25, var_1_7=256, var_1_8=229/50] [L86] var_1_6 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_6 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256, var_1_8=229/50] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_6 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256, var_1_8=229/50] [L88] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256, var_1_8=229/50] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256, var_1_8=229/50] [L89] var_1_8 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L91] var_1_9 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L93] var_1_10 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L95] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L96] var_1_13 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L98] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=8, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L99] var_1_15 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L101] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=8, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L102] var_1_16 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L104] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=10, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L105] var_1_17 = __VERIFIER_nondet_char() [L106] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L107] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L108] var_1_18 = __VERIFIER_nondet_char() [L109] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L110] CALL assume_abort_if_not(var_1_18 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_18 <= 31) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=10, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L111] var_1_20 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_20 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_20 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L113] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L114] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=-50, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L115] var_1_21 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_21 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=10, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_21 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=10, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L117] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=10, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=10, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L118] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=10, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=16, var_1_1=8, var_1_20=9, var_1_21=10, var_1_3=-2, var_1_4=1, var_1_5=-10, var_1_6=1, var_1_7=256] [L131] RET updateVariables() [L132] CALL step() [L46] COND TRUE (- var_1_2) >= (-10 + ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) [L47] EXPR var_1_3 | var_1_2 [L47] COND FALSE !((~ (var_1_3 | var_1_2)) >= var_1_4) [L53] var_1_5 = ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6))) [L54] COND FALSE !(((32.6 * var_1_8) >= var_1_9) && var_1_10) [L57] COND FALSE !(! (! (var_1_3 == var_1_5))) [L60] var_1_12 = (! ((var_1_2 < var_1_4) || var_1_13)) [L61] var_1_14 = ((((((var_1_15) > (1)) ? (var_1_15) : (1))) - var_1_16) + (var_1_17 - (4 + var_1_18))) [L62] COND TRUE var_1_14 >= var_1_11 [L63] COND TRUE (var_1_17 + (- 256u)) >= (var_1_4 % ((((500u) < 0 ) ? -(500u) : (500u)))) [L64] COND TRUE var_1_14 >= (((((var_1_15) > (var_1_1)) ? (var_1_15) : (var_1_1))) / ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) [L65] var_1_19 = var_1_17 [L132] RET step() [L133] CALL, EXPR property() [L123] EXPR ((- var_1_2) >= (-10 + ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (((~ (var_1_3 | var_1_2)) >= var_1_4) ? (var_1_1 == ((unsigned short int) var_1_2)) : 1) : (var_1_1 == ((unsigned short int) var_1_2)) [L123] EXPR var_1_3 | var_1_2 [L123] EXPR ((- var_1_2) >= (-10 + ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (((~ (var_1_3 | var_1_2)) >= var_1_4) ? (var_1_1 == ((unsigned short int) var_1_2)) : 1) : (var_1_1 == ((unsigned short int) var_1_2)) [L123-L124] return ((((((((- var_1_2) >= (-10 + ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (((~ (var_1_3 | var_1_2)) >= var_1_4) ? (var_1_1 == ((unsigned short int) var_1_2)) : 1) : (var_1_1 == ((unsigned short int) var_1_2))) && (var_1_5 == ((signed short int) ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))))) && ((((32.6 * var_1_8) >= var_1_9) && var_1_10) ? (var_1_7 == ((unsigned short int) var_1_2)) : 1)) && ((! (! (var_1_3 == var_1_5))) ? (var_1_11 == ((signed short int) (((((0) > (var_1_2)) ? (0) : (var_1_2))) + 100))) : 1)) && (var_1_12 == ((unsigned char) (! ((var_1_2 < var_1_4) || var_1_13))))) && (var_1_14 == ((signed char) ((((((var_1_15) > (1)) ? (var_1_15) : (1))) - var_1_16) + (var_1_17 - (4 + var_1_18)))))) && ((var_1_14 >= var_1_11) ? (((var_1_17 + (- 256u)) >= (var_1_4 % ((((500u) < 0 ) ? -(500u) : (500u))))) ? ((var_1_14 >= (((((var_1_15) > (var_1_1)) ? (var_1_15) : (var_1_1))) / ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) ? (var_1_19 == ((unsigned long int) var_1_17)) : (var_1_19 == ((unsigned long int) var_1_7))) : (var_1_19 == ((unsigned long int) var_1_16))) : (var_1_19 == ((unsigned long int) var_1_18))) ; [L133] RET, EXPR property() [L133] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=63, var_1_1=8, var_1_20=9, var_1_21=10, var_1_2=1, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=1, var_1_7=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=60, var_1_17=63, var_1_18=0, var_1_19=63, var_1_1=8, var_1_20=9, var_1_21=10, var_1_2=1, var_1_3=-2, var_1_4=1, var_1_5=1, var_1_6=1, var_1_7=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, 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=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 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 [2023-11-23 21:12:12,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d64e07e8d5a10e089b0a19820fd0c594aa38dab419d8164489758563af2a155 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:15,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:15,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:12:15,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:15,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:15,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:15,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:15,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:15,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:15,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:15,824 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:15,825 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:15,826 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:15,826 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:15,827 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:15,828 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:15,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:15,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:15,830 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:12:15,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:12:15,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:15,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:15,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:15,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:15,834 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:12:15,834 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:12:15,835 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:12:15,835 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:12:15,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:15,836 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:15,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:15,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:12:15,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:15,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:15,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:15,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:15,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:15,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:15,841 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:12:15,842 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:12:15,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:15,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:15,844 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:15,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:15,844 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d64e07e8d5a10e089b0a19820fd0c594aa38dab419d8164489758563af2a155 [2023-11-23 21:12:16,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:16,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:16,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:16,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:16,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:16,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i [2023-11-23 21:12:19,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:19,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:19,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i [2023-11-23 21:12:19,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/data/ffb5f7023/02ded7844b28419e9c03acbb28dcff0e/FLAG80cee1371 [2023-11-23 21:12:19,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/data/ffb5f7023/02ded7844b28419e9c03acbb28dcff0e [2023-11-23 21:12:19,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:19,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:19,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:19,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:19,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:19,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:19" (1/1) ... [2023-11-23 21:12:19,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec0760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:19, skipping insertion in model container [2023-11-23 21:12:19,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:19" (1/1) ... [2023-11-23 21:12:19,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:20,132 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_f535e6ff-3328-40ff-9823-42701bedc637/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i[913,926] [2023-11-23 21:12:20,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:20,245 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:20,260 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_f535e6ff-3328-40ff-9823-42701bedc637/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-33.i[913,926] [2023-11-23 21:12:20,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:20,337 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:20,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20 WrapperNode [2023-11-23 21:12:20,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:20,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:20,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:20,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:20,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,409 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-23 21:12:20,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:20,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:20,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:20,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:20,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:20,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:20,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:20,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:20,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:20,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:20,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:20,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:12:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:20,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:20,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:20,659 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:20,663 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:25,334 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:25,396 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:25,396 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:25,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:25 BoogieIcfgContainer [2023-11-23 21:12:25,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:25,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:25,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:25,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:25,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:19" (1/3) ... [2023-11-23 21:12:25,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca4e0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:25, skipping insertion in model container [2023-11-23 21:12:25,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (2/3) ... [2023-11-23 21:12:25,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca4e0a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:25, skipping insertion in model container [2023-11-23 21:12:25,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:25" (3/3) ... [2023-11-23 21:12:25,406 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-33.i [2023-11-23 21:12:25,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:25,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:25,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:25,500 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=FINITE_AUTOMATA, 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;@2e173a18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:25,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:12:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 21:12:25,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:25,531 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:25,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:25,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:25,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1408832837, now seen corresponding path program 1 times [2023-11-23 21:12:25,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:25,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202709141] [2023-11-23 21:12:25,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:25,560 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 [2023-11-23 21:12:25,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:25,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:12:25,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f535e6ff-3328-40ff-9823-42701bedc637/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:12:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:26,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-23 21:12:26,451 INFO L285 TraceCheckSpWp]: Computing forward predicates...