./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX --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 2c89bcd51bf13e1fea060d248b91d9829224d3ab75a99cbb44e94fb17c6b367c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:10,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:10,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:59:10,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:10,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:10,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:10,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:10,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:10,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:10,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:10,645 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:10,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:10,647 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:10,649 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:10,649 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:10,649 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:10,650 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:10,650 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:10,651 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:10,651 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:10,652 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:10,652 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:10,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:10,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:10,654 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:59:10,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:10,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:59:10,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:10,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:10,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:10,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:10,658 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:59:10,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:10,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:10,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:10,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:10,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:10,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:10,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:10,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:10,661 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:10,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:10,661 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:10,661 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:10,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:10,662 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_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c89bcd51bf13e1fea060d248b91d9829224d3ab75a99cbb44e94fb17c6b367c [2023-11-12 00:59:10,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:11,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:11,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:11,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:11,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:11,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i [2023-11-12 00:59:14,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:14,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:14,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i [2023-11-12 00:59:14,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/data/e126094ce/fab0cd7209c54583bf944b77bd6c03d7/FLAGaf07aab14 [2023-11-12 00:59:14,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/data/e126094ce/fab0cd7209c54583bf944b77bd6c03d7 [2023-11-12 00:59:14,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:14,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:14,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:14,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:14,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:14,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:14" (1/1) ... [2023-11-12 00:59:14,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222cc03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:14, skipping insertion in model container [2023-11-12 00:59:14,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:14" (1/1) ... [2023-11-12 00:59:14,727 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:14,925 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_251b2e4f-46d1-447f-86ef-a2fe853a7da5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i[913,926] [2023-11-12 00:59:14,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:15,002 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:15,015 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_251b2e4f-46d1-447f-86ef-a2fe853a7da5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i[913,926] [2023-11-12 00:59:15,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:15,070 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:15,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15 WrapperNode [2023-11-12 00:59:15,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:15,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:15,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:15,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:15,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,161 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-11-12 00:59:15,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:15,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:15,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:15,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:15,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:15,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:15,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:15,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:15,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (1/1) ... [2023-11-12 00:59:15,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:15,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:15,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:15,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:59:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:59:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:59:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:15,456 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:15,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:16,011 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:16,303 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:16,304 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:59:16,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:16 BoogieIcfgContainer [2023-11-12 00:59:16,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:59:16,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:59:16,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:59:16,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:59:16,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:14" (1/3) ... [2023-11-12 00:59:16,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e0ddab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:16, skipping insertion in model container [2023-11-12 00:59:16,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:15" (2/3) ... [2023-11-12 00:59:16,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e0ddab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:16, skipping insertion in model container [2023-11-12 00:59:16,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:16" (3/3) ... [2023-11-12 00:59:16,322 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-98.i [2023-11-12 00:59:16,343 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:59:16,343 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:59:16,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:59:16,407 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;@3c737b59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:59:16,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:59:16,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:59:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-12 00:59:16,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:16,426 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:16,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:16,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:16,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1183141293, now seen corresponding path program 1 times [2023-11-12 00:59:16,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:16,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087218444] [2023-11-12 00:59:16,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:16,782 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:59:16,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879314032] [2023-11-12 00:59:16,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:16,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:59:16,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:16,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:59:16,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:59:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:59:20,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:59:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:59:20,677 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:59:20,680 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:59:20,682 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:59:20,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:20,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:59:20,910 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:59:20,915 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:59:21,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:59:21 BoogieIcfgContainer [2023-11-12 00:59:21,029 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:59:21,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:59:21,030 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:59:21,030 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:59:21,030 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:16" (3/4) ... [2023-11-12 00:59:21,033 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:59:21,034 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:59:21,036 INFO L158 Benchmark]: Toolchain (without parser) took 6370.53ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 113.0MB in the beginning and 100.8MB in the end (delta: 12.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2023-11-12 00:59:21,037 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:21,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.16ms. Allocated memory is still 163.6MB. Free memory was 112.7MB in the beginning and 98.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:59:21,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.95ms. Allocated memory is still 163.6MB. Free memory was 98.9MB in the beginning and 95.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:59:21,039 INFO L158 Benchmark]: Boogie Preprocessor took 70.38ms. Allocated memory is still 163.6MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:59:21,040 INFO L158 Benchmark]: RCFGBuilder took 1071.59ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 93.5MB in the beginning and 144.8MB in the end (delta: -51.3MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-12 00:59:21,041 INFO L158 Benchmark]: TraceAbstraction took 4717.27ms. Allocated memory is still 211.8MB. Free memory was 144.8MB in the beginning and 100.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-12 00:59:21,041 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 211.8MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:21,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.16ms. Allocated memory is still 163.6MB. Free memory was 112.7MB in the beginning and 98.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.95ms. Allocated memory is still 163.6MB. Free memory was 98.9MB in the beginning and 95.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.38ms. Allocated memory is still 163.6MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1071.59ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 93.5MB in the beginning and 144.8MB in the end (delta: -51.3MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4717.27ms. Allocated memory is still 211.8MB. Free memory was 144.8MB in the beginning and 100.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 211.8MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of bitwiseAnd at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed short int var_1_4 = -10; [L24] signed short int var_1_5 = 100; [L25] double var_1_6 = 0.5; [L26] double var_1_7 = 16.5; [L27] double var_1_8 = 7.4; [L28] unsigned short int var_1_9 = 4; [L29] unsigned char var_1_10 = 0; [L30] unsigned long int var_1_11 = 1000000000; [L31] unsigned short int var_1_12 = 256; [L32] signed short int var_1_13 = 16; [L33] signed short int var_1_14 = 64; [L34] unsigned short int var_1_15 = 63836; [L35] unsigned short int var_1_16 = 10; [L36] signed char var_1_17 = -8; [L37] signed char var_1_18 = 8; [L38] signed short int var_1_19 = 50; [L39] signed short int var_1_20 = 10; [L40] signed short int var_1_21 = 10000; [L41] signed char var_1_22 = -2; [L42] signed long int last_1_var_1_1 = -64; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L124] last_1_var_1_1 = var_1_1 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L86] var_1_4 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L89] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=100, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L90] var_1_5 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L92] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L93] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=33/2, var_1_8=37/5, var_1_9=4] [L94] var_1_7 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=37/5, var_1_9=4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=37/5, var_1_9=4] [L96] var_1_8 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=0, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L98] var_1_10 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=16, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L101] var_1_13 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=64, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L104] var_1_14 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L106] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=63836, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L107] var_1_15 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L109] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=10, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L110] var_1_16 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L112] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=8, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L113] var_1_18 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L115] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=10, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L116] var_1_20 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=8093, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=8093, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L118] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=8093, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=8093, var_1_21=10000, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L119] var_1_21 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_21 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=8093, var_1_21=8191, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_21 >= 8191) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=8093, var_1_21=8191, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L121] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=8093, var_1_21=8191, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=1000000000, var_1_12=256, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=-8, var_1_18=1, var_1_19=50, var_1_1=-64, var_1_20=8093, var_1_21=8191, var_1_22=-2, var_1_4=1, var_1_5=-32766, var_1_6=1/2, var_1_7=2, var_1_8=3, var_1_9=4] [L135] RET updateVariables() [L136] CALL step() [L46] COND TRUE (var_1_5 * (var_1_13 - var_1_14)) <= last_1_var_1_1 [L47] var_1_12 = (var_1_15 - ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16)))) [L49] var_1_11 = (((((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) < 0 ) ? -((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) : ((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))))) [L50] unsigned short int stepLocal_3 = var_1_12; [L51] unsigned short int stepLocal_2 = var_1_12; [L52] unsigned short int stepLocal_1 = var_1_12; [L53] unsigned long int stepLocal_0 = var_1_11; [L54] EXPR (var_1_11 / var_1_4) & 8 [L54] COND TRUE stepLocal_3 <= ((var_1_11 / var_1_4) & 8) [L55] COND FALSE !(-16 <= stepLocal_0) [L69] COND TRUE \read(var_1_10) [L70] COND FALSE !(var_1_4 < (var_1_12 + var_1_5)) [L74] var_1_17 = var_1_18 [L75] COND TRUE var_1_13 <= var_1_11 [L76] var_1_19 = ((var_1_12 + 25) + (var_1_20 - (var_1_21 - 1))) [L80] var_1_22 = var_1_18 [L81] COND TRUE var_1_19 <= var_1_1 [L82] var_1_6 = (var_1_7 + var_1_8) [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR (var_1_11 / var_1_4) & 8 [L127-L128] return ((((((((var_1_12 <= ((var_1_11 / var_1_4) & 8)) ? ((-16 <= var_1_11) ? ((var_1_12 != (var_1_11 / ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((signed long int) ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))))) : (var_1_1 == ((signed long int) ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : 1) : ((var_1_11 <= var_1_12) ? (var_1_1 == ((signed long int) var_1_4)) : (var_1_1 == ((signed long int) var_1_11)))) && ((var_1_19 <= var_1_1) ? (var_1_6 == ((double) (var_1_7 + var_1_8))) : 1)) && (var_1_10 ? ((var_1_4 < (var_1_12 + var_1_5)) ? (var_1_9 == ((unsigned short int) 16)) : 1) : 1)) && (var_1_11 == ((unsigned long int) (((((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) < 0 ) ? -((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12)))) : ((((2u) > ((3986216790u - var_1_12))) ? (2u) : ((3986216790u - var_1_12))))))))) && (((var_1_5 * (var_1_13 - var_1_14)) <= last_1_var_1_1) ? (var_1_12 == ((unsigned short int) (var_1_15 - ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16)))))) : 1)) && (var_1_17 == ((signed char) var_1_18))) && ((var_1_13 <= var_1_11) ? (var_1_19 == ((signed short int) ((var_1_12 + 25) + (var_1_20 - (var_1_21 - 1))))) : (var_1_19 == ((signed short int) ((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_12)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_12))))))) && (var_1_22 == ((signed char) var_1_18)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=3986216782, var_1_12=8, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=1, var_1_18=1, var_1_19=-64, var_1_1=-64, var_1_20=8093, var_1_21=8191, var_1_22=1, var_1_4=1, var_1_5=-32766, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-64, var_1_10=1, var_1_11=3986216782, var_1_12=8, var_1_13=32767, var_1_14=32765, var_1_15=32773, var_1_16=32764, var_1_17=1, var_1_18=1, var_1_19=-64, var_1_1=-64, var_1_20=8093, var_1_21=8191, var_1_22=1, var_1_4=1, var_1_5=-32766, var_1_6=0, var_1_7=2, var_1_8=3, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 1, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:59:21,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX --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 2c89bcd51bf13e1fea060d248b91d9829224d3ab75a99cbb44e94fb17c6b367c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:24,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:24,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:59:24,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:24,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:24,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:24,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:24,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:24,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:24,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:24,344 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:24,344 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:24,345 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:24,347 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:24,348 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:24,349 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:24,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:24,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:24,352 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:59:24,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:59:24,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:24,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:24,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:24,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:24,357 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:59:24,357 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:59:24,358 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:59:24,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:59:24,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:24,360 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:24,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:24,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:59:24,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:24,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:24,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:24,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:24,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:24,365 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:59:24,366 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:59:24,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:24,367 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:24,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:24,368 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_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c89bcd51bf13e1fea060d248b91d9829224d3ab75a99cbb44e94fb17c6b367c [2023-11-12 00:59:24,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:24,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:24,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:24,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:24,919 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:24,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i [2023-11-12 00:59:28,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:28,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:28,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i [2023-11-12 00:59:28,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/data/d946fac0b/73963adbb7c34f6ca89a745b1b92a93b/FLAG85f143549 [2023-11-12 00:59:28,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/data/d946fac0b/73963adbb7c34f6ca89a745b1b92a93b [2023-11-12 00:59:28,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:28,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:28,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:28,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:28,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:28,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:28,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bca83e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28, skipping insertion in model container [2023-11-12 00:59:28,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:28,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:29,117 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_251b2e4f-46d1-447f-86ef-a2fe853a7da5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i[913,926] [2023-11-12 00:59:29,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:29,273 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:29,288 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_251b2e4f-46d1-447f-86ef-a2fe853a7da5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-98.i[913,926] [2023-11-12 00:59:29,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:29,368 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:29,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29 WrapperNode [2023-11-12 00:59:29,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:29,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:29,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:29,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:29,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,435 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-11-12 00:59:29,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:29,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:29,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:29,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:29,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:29,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:29,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:29,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:29,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (1/1) ... [2023-11-12 00:59:29,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:29,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:29,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:29,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:59:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:59:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:59:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:29,795 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:29,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:31,088 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:31,097 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:31,098 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:59:31,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:31 BoogieIcfgContainer [2023-11-12 00:59:31,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:59:31,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:59:31,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:59:31,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:59:31,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:28" (1/3) ... [2023-11-12 00:59:31,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5905fca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:31, skipping insertion in model container [2023-11-12 00:59:31,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:29" (2/3) ... [2023-11-12 00:59:31,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5905fca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:31, skipping insertion in model container [2023-11-12 00:59:31,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:31" (3/3) ... [2023-11-12 00:59:31,115 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-98.i [2023-11-12 00:59:31,145 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:59:31,145 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:59:31,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:59:31,215 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;@21224836, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:59:31,215 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:59:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:59:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 00:59:31,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:31,250 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:31,255 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:31,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:31,263 INFO L85 PathProgramCache]: Analyzing trace with hash -192102540, now seen corresponding path program 1 times [2023-11-12 00:59:31,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:31,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684934777] [2023-11-12 00:59:31,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:31,286 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 [2023-11-12 00:59:31,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:31,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:59:31,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:31,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:59:31,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-12 00:59:31,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:31,891 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:31,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684934777] [2023-11-12 00:59:31,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684934777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:31,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:31,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:59:31,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573782575] [2023-11-12 00:59:31,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:31,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:59:31,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:31,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:59:31,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:59:31,961 INFO L87 Difference]: Start difference. First operand has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:59:32,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:32,044 INFO L93 Difference]: Finished difference Result 127 states and 222 transitions. [2023-11-12 00:59:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:59:32,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2023-11-12 00:59:32,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:32,062 INFO L225 Difference]: With dead ends: 127 [2023-11-12 00:59:32,063 INFO L226 Difference]: Without dead ends: 63 [2023-11-12 00:59:32,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:59:32,077 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:32,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:59:32,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-12 00:59:32,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-12 00:59:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:59:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2023-11-12 00:59:32,162 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 150 [2023-11-12 00:59:32,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:32,163 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2023-11-12 00:59:32,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:59:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2023-11-12 00:59:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 00:59:32,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:32,178 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:32,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:32,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:32,393 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:32,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:32,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1746497916, now seen corresponding path program 1 times [2023-11-12 00:59:32,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:32,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439671785] [2023-11-12 00:59:32,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:32,395 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 [2023-11-12 00:59:32,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:32,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:59:32,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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 (3)] Waiting until timeout for monitored process [2023-11-12 00:59:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:32,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:59:32,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:59:33,340 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:33,340 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:33,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439671785] [2023-11-12 00:59:33,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439671785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:33,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:33,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:59:33,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672739231] [2023-11-12 00:59:33,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:33,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:59:33,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:33,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:59:33,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:59:33,347 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:59:36,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:36,006 INFO L93 Difference]: Finished difference Result 227 states and 347 transitions. [2023-11-12 00:59:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:59:36,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150 [2023-11-12 00:59:36,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:36,019 INFO L225 Difference]: With dead ends: 227 [2023-11-12 00:59:36,019 INFO L226 Difference]: Without dead ends: 167 [2023-11-12 00:59:36,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:59:36,023 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 158 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:36,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 372 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-12 00:59:36,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-12 00:59:36,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 119. [2023-11-12 00:59:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-12 00:59:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 180 transitions. [2023-11-12 00:59:36,125 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 180 transitions. Word has length 150 [2023-11-12 00:59:36,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:36,128 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 180 transitions. [2023-11-12 00:59:36,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:59:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 180 transitions. [2023-11-12 00:59:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-12 00:59:36,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:36,135 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:36,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:36,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:36,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:36,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:36,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1748344958, now seen corresponding path program 1 times [2023-11-12 00:59:36,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:36,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840672722] [2023-11-12 00:59:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:36,360 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 [2023-11-12 00:59:36,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:36,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:59:36,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_251b2e4f-46d1-447f-86ef-a2fe853a7da5/bin/utaipan-verify-NcY6lQBIFX/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 (4)] Waiting until timeout for monitored process [2023-11-12 00:59:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:36,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 00:59:36,764 INFO L285 TraceCheckSpWp]: Computing forward predicates...