./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91 --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 fc81e632ae2e206eca1f9d4133845a59a7f377b1ec66d9f118cf23bdbc748cd0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:40,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:40,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:56:40,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:40,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:40,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:40,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:40,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:40,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:40,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:40,698 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:40,698 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:40,699 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:40,701 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:56:40,702 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:40,702 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:40,703 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:56:40,703 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:56:40,704 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:40,705 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:56:40,705 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:56:40,706 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:56:40,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:40,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:40,709 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:56:40,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:56:40,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:56:40,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:40,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:40,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:40,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:40,713 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:56:40,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:40,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:40,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:40,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:40,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:40,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:40,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:40,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:40,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:40,716 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:56:40,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:56:40,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:40,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:40,718 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:40,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:40,718 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_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc81e632ae2e206eca1f9d4133845a59a7f377b1ec66d9f118cf23bdbc748cd0 [2023-11-24 23:56:41,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:41,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:41,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:41,113 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:41,114 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:41,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2023-11-24 23:56:44,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:56:44,607 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:56:44,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2023-11-24 23:56:44,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/data/9dc3237e0/204c661d669f4d0e8c0167598bd2f8df/FLAG07b112cd8 [2023-11-24 23:56:44,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/data/9dc3237e0/204c661d669f4d0e8c0167598bd2f8df [2023-11-24 23:56:44,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:56:44,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:56:44,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:44,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:56:44,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:56:44,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:44" (1/1) ... [2023-11-24 23:56:44,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e66d456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:44, skipping insertion in model container [2023-11-24 23:56:44,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:44" (1/1) ... [2023-11-24 23:56:44,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:56:44,936 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_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i[915,928] [2023-11-24 23:56:45,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:45,067 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:56:45,088 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_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i[915,928] [2023-11-24 23:56:45,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:45,155 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:56:45,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45 WrapperNode [2023-11-24 23:56:45,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:45,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:45,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:56:45,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:56:45,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,253 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-24 23:56:45,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:45,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:56:45,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:56:45,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:56:45,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:56:45,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:56:45,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:56:45,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:56:45,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (1/1) ... [2023-11-24 23:56:45,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:45,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:56:45,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:56:45,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:56:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:56:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:56:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:56:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:56:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:56:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:56:45,601 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:56:45,605 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:56:46,170 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:56:46,518 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:56:46,518 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:56:46,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:46 BoogieIcfgContainer [2023-11-24 23:56:46,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:56:46,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:56:46,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:56:46,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:56:46,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:56:44" (1/3) ... [2023-11-24 23:56:46,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1a75e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:46, skipping insertion in model container [2023-11-24 23:56:46,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:45" (2/3) ... [2023-11-24 23:56:46,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1a75e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:46, skipping insertion in model container [2023-11-24 23:56:46,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:46" (3/3) ... [2023-11-24 23:56:46,535 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2023-11-24 23:56:46,559 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:56:46,559 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:56:46,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:56:46,641 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@6ffea381, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:56:46,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:56:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 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) [2023-11-24 23:56:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-24 23:56:46,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:46,666 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, 1] [2023-11-24 23:56:46,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:46,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:46,676 INFO L85 PathProgramCache]: Analyzing trace with hash -460253144, now seen corresponding path program 1 times [2023-11-24 23:56:46,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:56:46,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163523511] [2023-11-24 23:56:46,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:46,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:56:46,942 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:56:46,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970142953] [2023-11-24 23:56:46,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:46,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:56:46,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:56:46,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:56:46,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:56:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:56:47,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:56:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:56:47,786 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:56:47,789 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:56:47,791 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:56:47,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:56:48,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:56:48,009 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:56:48,013 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:56:48,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:56:48 BoogieIcfgContainer [2023-11-24 23:56:48,151 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:56:48,152 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:56:48,152 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:56:48,153 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:56:48,153 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:46" (3/4) ... [2023-11-24 23:56:48,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:56:48,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:56:48,162 INFO L158 Benchmark]: Toolchain (without parser) took 3510.16ms. Allocated memory is still 172.0MB. Free memory was 125.7MB in the beginning and 74.3MB in the end (delta: 51.4MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2023-11-24 23:56:48,163 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 65.3MB in the beginning and 65.1MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:56:48,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.64ms. Allocated memory is still 172.0MB. Free memory was 125.7MB in the beginning and 111.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:56:48,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.39ms. Allocated memory is still 172.0MB. Free memory was 111.0MB in the beginning and 106.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:56:48,167 INFO L158 Benchmark]: Boogie Preprocessor took 87.04ms. Allocated memory is still 172.0MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:56:48,168 INFO L158 Benchmark]: RCFGBuilder took 1178.31ms. Allocated memory is still 172.0MB. Free memory was 104.7MB in the beginning and 121.5MB in the end (delta: -16.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-11-24 23:56:48,170 INFO L158 Benchmark]: TraceAbstraction took 1627.94ms. Allocated memory is still 172.0MB. Free memory was 121.5MB in the beginning and 74.3MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-24 23:56:48,171 INFO L158 Benchmark]: Witness Printer took 8.94ms. Allocated memory is still 172.0MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:56:48,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 65.3MB in the beginning and 65.1MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.64ms. Allocated memory is still 172.0MB. Free memory was 125.7MB in the beginning and 111.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.39ms. Allocated memory is still 172.0MB. Free memory was 111.0MB in the beginning and 106.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.04ms. Allocated memory is still 172.0MB. Free memory was 106.8MB in the beginning and 104.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1178.31ms. Allocated memory is still 172.0MB. Free memory was 104.7MB in the beginning and 121.5MB in the end (delta: -16.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1627.94ms. Allocated memory is still 172.0MB. Free memory was 121.5MB in the beginning and 74.3MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 8.94ms. Allocated memory is still 172.0MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 170, overapproximation of bitwiseOr at line 101, overapproximation of someBinaryArithmeticDOUBLEoperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 1; [L26] unsigned char var_1_8 = 32; [L27] double var_1_9 = 4.6; [L28] double var_1_10 = 9.25; [L29] double var_1_11 = 1.25; [L30] unsigned char var_1_12 = 100; [L31] unsigned char var_1_13 = 64; [L32] unsigned char var_1_14 = 0; [L33] float var_1_15 = 7.5; [L34] signed long int var_1_16 = 0; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 1; [L38] unsigned char var_1_20 = 0; [L39] double var_1_21 = 4.65; [L40] unsigned char var_1_22 = 0; [L41] double var_1_23 = 9999999999.1; [L42] double var_1_24 = 5.5; [L43] unsigned short int var_1_25 = 16; [L44] unsigned short int var_1_26 = 100; [L45] signed long int var_1_27 = 32; [L46] float var_1_28 = 1.95; [L47] unsigned char var_1_29 = 0; [L48] unsigned char var_1_30 = 0; [L49] unsigned long int var_1_31 = 0; [L50] double last_1_var_1_9 = 4.6; [L51] unsigned char last_1_var_1_12 = 100; [L52] unsigned char last_1_var_1_14 = 0; [L53] signed long int last_1_var_1_16 = 0; [L174] isInitial = 1 [L175] FCALL initially() [L176] COND TRUE 1 [L177] CALL updateLastVariables() [L164] last_1_var_1_9 = var_1_9 [L165] last_1_var_1_12 = var_1_12 [L166] last_1_var_1_14 = var_1_14 [L167] last_1_var_1_16 = var_1_16 [L177] RET updateLastVariables() [L178] CALL updateVariables() [L125] var_1_5 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L127] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L128] var_1_7 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L130] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L131] var_1_8 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5] [L133] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=23/5] [L134] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L135] var_1_10 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L137] var_1_13 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L139] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L140] var_1_18 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L142] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L143] var_1_19 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L145] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L146] var_1_20 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L148] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=0, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L149] var_1_22 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L151] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L152] var_1_23 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_24=11/2, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L154] var_1_24 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_26=100, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L156] var_1_26 = __VERIFIER_nondet_ushort() [L157] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L158] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_26=0, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_26=0, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=0, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L159] var_1_30 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_30 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_26=0, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=1, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_30 >= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_26=0, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=1, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L161] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_26=0, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=1, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_11=5/4, var_1_12=100, var_1_13=101, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_25=16, var_1_26=0, var_1_27=32, var_1_28=39/20, var_1_29=0, var_1_30=1, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=23/5] [L178] RET updateVariables() [L179] CALL step() [L57] var_1_17 = (var_1_18 || (var_1_19 && var_1_20)) [L58] COND FALSE !(! var_1_22) [L61] var_1_25 = var_1_26 [L62] var_1_27 = var_1_25 [L63] var_1_28 = var_1_23 [L64] COND FALSE !(var_1_18 || var_1_17) [L67] COND TRUE var_1_21 >= var_1_28 [L68] var_1_29 = (! var_1_30) [L73] COND TRUE var_1_19 && ((var_1_23 + var_1_28) >= var_1_21) [L74] var_1_31 = var_1_25 [L76] signed long int stepLocal_4 = last_1_var_1_16; [L77] COND FALSE !(\read(last_1_var_1_14)) [L88] var_1_12 = var_1_13 [L90] var_1_16 = last_1_var_1_12 [L91] unsigned long int stepLocal_6 = var_1_13 % (5u + 256u); [L92] signed long int stepLocal_5 = var_1_13 + 16; [L93] COND FALSE !(stepLocal_6 <= var_1_16) [L100] unsigned char stepLocal_0 = var_1_12; [L101] EXPR var_1_12 ^ var_1_12 [L101] COND FALSE !(stepLocal_0 <= (var_1_12 ^ var_1_12)) [L104] var_1_1 = (! var_1_5) [L106] unsigned char stepLocal_2 = var_1_12 < (var_1_16 / var_1_8); [L107] signed long int stepLocal_1 = var_1_16; [L108] COND FALSE !(-256 >= stepLocal_1) [L111] COND FALSE !(stepLocal_2 || ((var_1_5 && var_1_7) && var_1_1)) [L115] unsigned char stepLocal_3 = ! var_1_5; [L116] COND TRUE (var_1_7 && var_1_14) || stepLocal_3 [L117] var_1_11 = var_1_10 [L119] var_1_15 = var_1_10 [L120] COND TRUE ((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8) [L121] var_1_9 = var_1_10 [L179] RET step() [L180] CALL, EXPR property() [L170] EXPR var_1_12 ^ var_1_12 [L170-L171] return ((((((((var_1_12 <= (var_1_12 ^ var_1_12)) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) (! var_1_5)))) && ((-256 >= var_1_16) ? (var_1_6 == ((unsigned char) (var_1_1 || var_1_7))) : (((var_1_12 < (var_1_16 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)) ? (var_1_6 == ((unsigned char) var_1_7)) : 1))) && ((((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8)) ? (var_1_9 == ((double) var_1_10)) : 1)) && (((var_1_7 && var_1_14) || (! var_1_5)) ? (var_1_11 == ((double) var_1_10)) : 1)) && (last_1_var_1_14 ? ((var_1_10 >= (- last_1_var_1_9)) ? ((var_1_8 != last_1_var_1_16) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) 50))) : (var_1_12 == ((unsigned char) var_1_13))) : (var_1_12 == ((unsigned char) var_1_13)))) && (((var_1_13 % (5u + 256u)) <= var_1_16) ? (((var_1_13 + 16) >= var_1_16) ? (var_1_14 == ((unsigned char) var_1_7)) : (var_1_14 == ((unsigned char) var_1_7))) : 1)) && (var_1_15 == ((float) var_1_10))) && (var_1_16 == ((signed long int) last_1_var_1_12)) ; [L180] RET, EXPR property() [L180] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=101, var_1_13=101, var_1_14=0, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_23=3, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=3, var_1_29=0, var_1_30=1, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=101, var_1_13=101, var_1_14=0, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_23=3, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=3, var_1_29=0, var_1_30=1, var_1_31=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=255, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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=46occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 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 [2023-11-24 23:56:48,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91 --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 fc81e632ae2e206eca1f9d4133845a59a7f377b1ec66d9f118cf23bdbc748cd0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:50,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:50,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:56:50,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:50,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:51,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:51,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:51,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:51,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:51,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:51,017 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:51,017 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:51,018 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:51,019 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:51,020 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:51,020 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:51,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:51,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:51,023 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:56:51,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:56:51,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:51,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:51,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:51,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:51,027 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:56:51,027 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:56:51,028 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:56:51,028 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:56:51,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:51,029 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:51,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:51,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:56:51,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:51,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:51,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:51,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:51,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:51,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:51,033 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:56:51,035 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:56:51,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:51,035 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:51,036 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:51,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:51,037 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_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc81e632ae2e206eca1f9d4133845a59a7f377b1ec66d9f118cf23bdbc748cd0 [2023-11-24 23:56:51,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:51,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:51,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:51,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:51,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:51,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2023-11-24 23:56:54,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:56:55,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:56:55,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2023-11-24 23:56:55,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/data/83e9d3282/f78b9d9da9524e95800602c8291b672f/FLAG8ebeda988 [2023-11-24 23:56:55,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/data/83e9d3282/f78b9d9da9524e95800602c8291b672f [2023-11-24 23:56:55,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:56:55,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:56:55,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:55,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:56:55,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:56:55,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd330d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55, skipping insertion in model container [2023-11-24 23:56:55,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:56:55,474 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_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i[915,928] [2023-11-24 23:56:55,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:55,570 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:56:55,583 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_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i[915,928] [2023-11-24 23:56:55,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:55,636 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:56:55,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55 WrapperNode [2023-11-24 23:56:55,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:55,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:55,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:56:55,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:56:55,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,744 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-24 23:56:55,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:55,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:56:55,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:56:55,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:56:55,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:56:55,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:56:55,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:56:55,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:56:55,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:55,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:56:55,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:56:55,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:56:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:56:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:56:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:56:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:56:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:56:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:56:56,082 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:56:56,086 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:56:57,779 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:56:57,867 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:56:57,867 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:56:57,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:57 BoogieIcfgContainer [2023-11-24 23:56:57,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:56:57,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:56:57,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:56:57,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:56:57,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:56:55" (1/3) ... [2023-11-24 23:56:57,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b643b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:57, skipping insertion in model container [2023-11-24 23:56:57,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (2/3) ... [2023-11-24 23:56:57,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b643b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:57, skipping insertion in model container [2023-11-24 23:56:57,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:57" (3/3) ... [2023-11-24 23:56:57,885 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2023-11-24 23:56:57,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:56:57,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:56:57,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:56:57,989 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;@68bb08e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:56:57,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:56:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 45 states have internal predecessors, (63), 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) [2023-11-24 23:56:58,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 23:56:58,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:58,029 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, 1, 1, 1, 1] [2023-11-24 23:56:58,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:58,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:58,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1567210679, now seen corresponding path program 1 times [2023-11-24 23:56:58,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:56:58,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659782868] [2023-11-24 23:56:58,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:58,054 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 [2023-11-24 23:56:58,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:56:58,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:56:58,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:56:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:58,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:56:58,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:56:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-11-24 23:56:58,743 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:56:58,744 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:56:58,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659782868] [2023-11-24 23:56:58,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659782868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:56:58,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:56:58,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:56:58,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064365551] [2023-11-24 23:56:58,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:56:58,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:56:58,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:56:58,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:56:58,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:56:58,796 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 45 states have internal predecessors, (63), 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 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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) [2023-11-24 23:56:59,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:56:59,132 INFO L93 Difference]: Finished difference Result 139 states and 244 transitions. [2023-11-24 23:56:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:56:59,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 154 [2023-11-24 23:56:59,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:56:59,152 INFO L225 Difference]: With dead ends: 139 [2023-11-24 23:56:59,152 INFO L226 Difference]: Without dead ends: 69 [2023-11-24 23:56:59,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:56:59,159 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:56:59,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-24 23:56:59,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-24 23:56:59,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-24 23:56:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 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) [2023-11-24 23:56:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 106 transitions. [2023-11-24 23:56:59,221 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 106 transitions. Word has length 154 [2023-11-24 23:56:59,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:56:59,222 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 106 transitions. [2023-11-24 23:56:59,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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) [2023-11-24 23:56:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2023-11-24 23:56:59,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 23:56:59,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:59,228 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, 1, 1, 1, 1] [2023-11-24 23:56:59,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:56:59,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:56:59,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:59,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:59,445 INFO L85 PathProgramCache]: Analyzing trace with hash 894994249, now seen corresponding path program 1 times [2023-11-24 23:56:59,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:56:59,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063299545] [2023-11-24 23:56:59,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:59,447 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 [2023-11-24 23:56:59,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:56:59,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:56:59,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:56:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:56:59,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:56:59,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-24 23:57:00,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:57:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-24 23:57:01,301 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:01,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063299545] [2023-11-24 23:57:01,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063299545] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:57:01,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2089177284] [2023-11-24 23:57:01,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:01,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:01,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:57:01,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:57:01,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:57:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:02,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:57:02,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-24 23:57:03,439 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:03,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2089177284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:03,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:57:03,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 9] total 19 [2023-11-24 23:57:03,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970577776] [2023-11-24 23:57:03,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:03,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 23:57:03,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:03,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 23:57:03,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-11-24 23:57:03,444 INFO L87 Difference]: Start difference. First operand 69 states and 106 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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) [2023-11-24 23:57:06,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:06,546 INFO L93 Difference]: Finished difference Result 289 states and 442 transitions. [2023-11-24 23:57:06,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 23:57:06,556 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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 154 [2023-11-24 23:57:06,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:06,562 INFO L225 Difference]: With dead ends: 289 [2023-11-24 23:57:06,562 INFO L226 Difference]: Without dead ends: 221 [2023-11-24 23:57:06,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 440 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2023-11-24 23:57:06,565 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 272 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:06,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 530 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-24 23:57:06,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-11-24 23:57:06,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 124. [2023-11-24 23:57:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 73 states have internal predecessors, (96), 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) [2023-11-24 23:57:06,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 192 transitions. [2023-11-24 23:57:06,616 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 192 transitions. Word has length 154 [2023-11-24 23:57:06,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:06,617 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 192 transitions. [2023-11-24 23:57:06,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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) [2023-11-24 23:57:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 192 transitions. [2023-11-24 23:57:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 23:57:06,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:06,621 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, 1, 1, 1, 1] [2023-11-24 23:57:06,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:57:06,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:07,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:07,032 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:07,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:07,033 INFO L85 PathProgramCache]: Analyzing trace with hash 501967239, now seen corresponding path program 1 times [2023-11-24 23:57:07,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:07,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719895997] [2023-11-24 23:57:07,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:07,034 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 [2023-11-24 23:57:07,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:07,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:57:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 (5)] Waiting until timeout for monitored process [2023-11-24 23:57:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:07,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:57:07,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-24 23:57:07,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:57:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-24 23:57:08,446 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:08,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719895997] [2023-11-24 23:57:08,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719895997] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:57:08,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1340938480] [2023-11-24 23:57:08,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:08,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:08,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:57:08,450 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:57:08,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:57:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:09,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:57:09,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-24 23:57:09,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:09,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1340938480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:09,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:57:09,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 9] total 15 [2023-11-24 23:57:09,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593811005] [2023-11-24 23:57:09,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:09,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:57:09,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:09,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:57:09,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-11-24 23:57:09,962 INFO L87 Difference]: Start difference. First operand 124 states and 192 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2023-11-24 23:57:10,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:10,724 INFO L93 Difference]: Finished difference Result 192 states and 297 transitions. [2023-11-24 23:57:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:57:10,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 154 [2023-11-24 23:57:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:10,739 INFO L225 Difference]: With dead ends: 192 [2023-11-24 23:57:10,739 INFO L226 Difference]: Without dead ends: 124 [2023-11-24 23:57:10,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 444 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2023-11-24 23:57:10,742 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 109 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:10,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 181 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-24 23:57:10,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-24 23:57:10,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-11-24 23:57:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 73 states have (on average 1.3013698630136987) internal successors, (95), 73 states have internal predecessors, (95), 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) [2023-11-24 23:57:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 191 transitions. [2023-11-24 23:57:10,776 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 191 transitions. Word has length 154 [2023-11-24 23:57:10,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:10,777 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 191 transitions. [2023-11-24 23:57:10,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2023-11-24 23:57:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2023-11-24 23:57:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-24 23:57:10,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:10,782 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, 1, 1, 1, 1, 1] [2023-11-24 23:57:10,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:10,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:11,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:57:11,192 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:11,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:11,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2102419304, now seen corresponding path program 1 times [2023-11-24 23:57:11,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:11,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83415435] [2023-11-24 23:57:11,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:11,194 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 [2023-11-24 23:57:11,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:11,195 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:57:11,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 (7)] Waiting until timeout for monitored process [2023-11-24 23:57:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:11,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:57:11,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-24 23:57:12,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:57:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-24 23:57:12,658 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:12,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83415435] [2023-11-24 23:57:12,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83415435] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:57:12,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1963391587] [2023-11-24 23:57:12,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:12,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:12,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:57:12,664 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:57:12,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 23:57:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:14,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:57:14,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-24 23:57:14,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:57:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-24 23:57:14,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1963391587] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:57:14,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14763895] [2023-11-24 23:57:14,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:14,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:14,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:14,951 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:57:14,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-24 23:57:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:15,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:57:15,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:15,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-24 23:57:15,672 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:57:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-24 23:57:16,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14763895] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:57:16,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-24 23:57:16,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 13 [2023-11-24 23:57:16,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121636710] [2023-11-24 23:57:16,016 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-24 23:57:16,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-24 23:57:16,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:16,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-24 23:57:16,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-24 23:57:16,023 INFO L87 Difference]: Start difference. First operand 124 states and 191 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-24 23:57:17,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:17,462 INFO L93 Difference]: Finished difference Result 235 states and 338 transitions. [2023-11-24 23:57:17,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-24 23:57:17,463 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 155 [2023-11-24 23:57:17,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:17,466 INFO L225 Difference]: With dead ends: 235 [2023-11-24 23:57:17,467 INFO L226 Difference]: Without dead ends: 158 [2023-11-24 23:57:17,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 936 GetRequests, 908 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=193, Invalid=359, Unknown=0, NotChecked=0, Total=552 [2023-11-24 23:57:17,469 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 202 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:17,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 250 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-24 23:57:17,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-24 23:57:17,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 144. [2023-11-24 23:57:17,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 88 states have internal predecessors, (108), 48 states have call successors, (48), 7 states have call predecessors, (48), 7 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-24 23:57:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 204 transitions. [2023-11-24 23:57:17,501 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 204 transitions. Word has length 155 [2023-11-24 23:57:17,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:17,502 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 204 transitions. [2023-11-24 23:57:17,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-24 23:57:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 204 transitions. [2023-11-24 23:57:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-24 23:57:17,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:17,505 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, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:17,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:17,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:17,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:18,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:57:18,116 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:18,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:18,116 INFO L85 PathProgramCache]: Analyzing trace with hash 951648838, now seen corresponding path program 1 times [2023-11-24 23:57:18,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:18,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774578242] [2023-11-24 23:57:18,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:18,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:18,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:18,119 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:57:18,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/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 (10)] Waiting until timeout for monitored process [2023-11-24 23:57:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:18,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:57:18,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 417 proven. 114 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-24 23:57:20,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:57:23,514 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:23,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774578242] [2023-11-24 23:57:23,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774578242] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:57:23,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [73506406] [2023-11-24 23:57:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:23,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:23,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:57:23,516 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:57:23,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5111ded8-d342-4e19-b4bf-ffb265fdb6d6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 23:57:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:25,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:57:25,024 INFO L285 TraceCheckSpWp]: Computing forward predicates...