./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 a0165632 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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje --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 0.2.5-dev-a016563 [2024-11-09 04:41:15,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:41:15,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:41:15,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:41:15,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:41:15,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:41:15,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:41:15,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:41:15,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:41:15,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:41:15,499 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:41:15,500 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:41:15,500 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:41:15,501 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:41:15,501 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:41:15,501 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:41:15,502 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:41:15,502 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:41:15,503 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:41:15,503 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:41:15,504 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:41:15,509 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:41:15,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:41:15,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:41:15,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:41:15,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:41:15,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:41:15,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:41:15,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:41:15,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:41:15,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:41:15,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:41:15,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:41:15,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:41:15,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:41:15,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:41:15,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:41:15,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:41:15,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:41:15,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:41:15,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:41:15,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:41:15,521 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:41:15,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:41:15,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:41:15,522 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:41:15,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:41:15,523 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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc81e632ae2e206eca1f9d4133845a59a7f377b1ec66d9f118cf23bdbc748cd0 [2024-11-09 04:41:15,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:41:15,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:41:15,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:41:15,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:41:15,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:41:15,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i Unable to find full path for "g++" [2024-11-09 04:41:17,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:41:18,172 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:41:18,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2024-11-09 04:41:18,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/data/9de59c2b3/06cc3baf35c842f686a619cec0a7d15e/FLAGfb338adee [2024-11-09 04:41:18,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/data/9de59c2b3/06cc3baf35c842f686a619cec0a7d15e [2024-11-09 04:41:18,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:41:18,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:41:18,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:41:18,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:41:18,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:41:18,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e15aa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18, skipping insertion in model container [2024-11-09 04:41:18,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:41:18,434 WARN L250 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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i[915,928] [2024-11-09 04:41:18,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:41:18,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:41:18,540 WARN L250 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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i[915,928] [2024-11-09 04:41:18,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:41:18,614 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:41:18,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18 WrapperNode [2024-11-09 04:41:18,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:41:18,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:41:18,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:41:18,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:41:18,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,706 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2024-11-09 04:41:18,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:41:18,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:41:18,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:41:18,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:41:18,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:41:18,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:41:18,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:41:18,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:41:18,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (1/1) ... [2024-11-09 04:41:18,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:41:18,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:41:18,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:41:18,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:41:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:41:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:41:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:41:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:41:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:41:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:41:18,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:41:18,967 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:41:19,567 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 04:41:19,567 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:41:19,995 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:41:19,996 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:41:19,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:41:19 BoogieIcfgContainer [2024-11-09 04:41:19,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:41:20,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:41:20,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:41:20,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:41:20,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:41:18" (1/3) ... [2024-11-09 04:41:20,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3d8009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:41:20, skipping insertion in model container [2024-11-09 04:41:20,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:18" (2/3) ... [2024-11-09 04:41:20,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3d8009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:41:20, skipping insertion in model container [2024-11-09 04:41:20,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:41:19" (3/3) ... [2024-11-09 04:41:20,015 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2024-11-09 04:41:20,045 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:41:20,045 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:41:20,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:41:20,155 INFO L333 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, 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;@24bf931b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:41:20,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:41:20,164 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) [2024-11-09 04:41:20,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 04:41:20,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:20,192 INFO L215 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] [2024-11-09 04:41:20,193 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:20,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:20,203 INFO L85 PathProgramCache]: Analyzing trace with hash -539561109, now seen corresponding path program 1 times [2024-11-09 04:41:20,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:41:20,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462968268] [2024-11-09 04:41:20,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:20,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:41:20,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212992179] [2024-11-09 04:41:20,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:20,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:41:20,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:41:20,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:41:20,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:41:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:41:21,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:41:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:41:21,527 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:41:21,531 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:41:21,534 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:41:21,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:41:21,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:41:21,743 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:41:21,856 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:41:21,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:41:21 BoogieIcfgContainer [2024-11-09 04:41:21,860 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:41:21,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:41:21,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:41:21,861 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:41:21,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:41:19" (3/4) ... [2024-11-09 04:41:21,865 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:41:21,867 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:41:21,868 INFO L158 Benchmark]: Toolchain (without parser) took 3664.61ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 105.6MB in the beginning and 139.6MB in the end (delta: -34.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-09 04:41:21,869 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:41:21,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.36ms. Allocated memory is still 144.7MB. Free memory was 105.4MB in the beginning and 88.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:41:21,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.78ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 85.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:41:21,871 INFO L158 Benchmark]: Boogie Preprocessor took 44.15ms. Allocated memory is still 144.7MB. Free memory was 85.0MB in the beginning and 82.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:41:21,872 INFO L158 Benchmark]: RCFGBuilder took 1246.31ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 82.6MB in the beginning and 132.9MB in the end (delta: -50.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-11-09 04:41:21,872 INFO L158 Benchmark]: TraceAbstraction took 1858.27ms. Allocated memory is still 201.3MB. Free memory was 131.9MB in the beginning and 139.6MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:41:21,873 INFO L158 Benchmark]: Witness Printer took 5.98ms. Allocated memory is still 201.3MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:41:21,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.36ms. Allocated memory is still 144.7MB. Free memory was 105.4MB in the beginning and 88.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.78ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 85.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.15ms. Allocated memory is still 144.7MB. Free memory was 85.0MB in the beginning and 82.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1246.31ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 82.6MB in the beginning and 132.9MB in the end (delta: -50.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1858.27ms. Allocated memory is still 201.3MB. Free memory was 131.9MB in the beginning and 139.6MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.98ms. Allocated memory is still 201.3MB. Free memory is still 139.6MB. 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=1, 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=1, 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=1, 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=1, 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=1, 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=1, 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=1, 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=1, 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=1, 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=1, 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=-256, 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=1, 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=-256, 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=1, 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=-256, 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=1, 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=-256, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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=-256, var_1_19=-255, 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=1, 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 FALSE !(var_1_21 >= var_1_28) [L70] var_1_29 = ((var_1_27 <= var_1_26) && var_1_18) [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 FALSE !(((((((((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)) [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 [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=3, var_1_11=3, var_1_12=101, var_1_13=101, var_1_14=0, var_1_15=3, var_1_16=100, var_1_17=0, var_1_18=-256, var_1_19=-255, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_23=2, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=2, 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=1, var_1_9=23/5] [L19] reach_error() 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=3, var_1_11=3, var_1_12=101, var_1_13=101, var_1_14=0, var_1_15=3, var_1_16=100, var_1_17=0, var_1_18=-256, var_1_19=-255, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=1, var_1_23=2, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=2, 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=1, var_1_9=23/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 04:41:21,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje --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 0.2.5-dev-a016563 [2024-11-09 04:41:24,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:41:24,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:41:24,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:41:24,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:41:25,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:41:25,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:41:25,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:41:25,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:41:25,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:41:25,022 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:41:25,022 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:41:25,023 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:41:25,024 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:41:25,026 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:41:25,027 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:41:25,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:41:25,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:41:25,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:41:25,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:41:25,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:41:25,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:41:25,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:41:25,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:41:25,035 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:41:25,035 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:41:25,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:41:25,036 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:41:25,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:41:25,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:41:25,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:41:25,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:41:25,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:41:25,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:41:25,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:41:25,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:41:25,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:41:25,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:41:25,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:41:25,041 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:41:25,042 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:41:25,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:41:25,043 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:41:25,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc81e632ae2e206eca1f9d4133845a59a7f377b1ec66d9f118cf23bdbc748cd0 [2024-11-09 04:41:25,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:41:25,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:41:25,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:41:25,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:41:25,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:41:25,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i Unable to find full path for "g++" [2024-11-09 04:41:28,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:41:28,432 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:41:28,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2024-11-09 04:41:28,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/data/b340978d3/5b9e52c38301420a92631656c8bc4e74/FLAG6ae4d9d4f [2024-11-09 04:41:28,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/data/b340978d3/5b9e52c38301420a92631656c8bc4e74 [2024-11-09 04:41:28,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:41:28,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:41:28,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:41:28,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:41:28,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:41:28,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:41:28" (1/1) ... [2024-11-09 04:41:28,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594e3caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:28, skipping insertion in model container [2024-11-09 04:41:28,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:41:28" (1/1) ... [2024-11-09 04:41:28,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:41:28,841 WARN L250 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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i[915,928] [2024-11-09 04:41:28,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:41:28,974 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:41:28,995 WARN L250 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_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-68.i[915,928] [2024-11-09 04:41:29,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:41:29,078 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:41:29,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29 WrapperNode [2024-11-09 04:41:29,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:41:29,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:41:29,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:41:29,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:41:29,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,181 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2024-11-09 04:41:29,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:41:29,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:41:29,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:41:29,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:41:29,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:41:29,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:41:29,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:41:29,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:41:29,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (1/1) ... [2024-11-09 04:41:29,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:41:29,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:41:29,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:41:29,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:41:29,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:41:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:41:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:41:29,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:41:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:41:29,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:41:29,527 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:41:29,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:41:31,691 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 04:41:31,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:41:31,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:41:31,711 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:41:31,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:41:31 BoogieIcfgContainer [2024-11-09 04:41:31,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:41:31,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:41:31,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:41:31,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:41:31,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:41:28" (1/3) ... [2024-11-09 04:41:31,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548e585a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:41:31, skipping insertion in model container [2024-11-09 04:41:31,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:41:29" (2/3) ... [2024-11-09 04:41:31,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548e585a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:41:31, skipping insertion in model container [2024-11-09 04:41:31,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:41:31" (3/3) ... [2024-11-09 04:41:31,727 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-68.i [2024-11-09 04:41:31,750 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:41:31,750 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:41:31,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:41:31,851 INFO L333 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, 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;@64deff19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:41:31,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:41:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 50 states have (on average 1.38) internal successors, (69), 51 states have internal predecessors, (69), 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) [2024-11-09 04:41:31,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-09 04:41:31,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:31,875 INFO L215 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, 1, 1] [2024-11-09 04:41:31,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:31,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:31,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1858488006, now seen corresponding path program 1 times [2024-11-09 04:41:31,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:41:31,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129951401] [2024-11-09 04:41:31,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:31,896 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 [2024-11-09 04:41:31,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:41:31,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:41:31,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:32,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:41:32,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-09 04:41:32,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:41:32,631 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:41:32,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129951401] [2024-11-09 04:41:32,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129951401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:32,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:32,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:41:32,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27184219] [2024-11-09 04:41:32,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:32,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:41:32,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:41:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:41:32,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:41:32,682 INFO L87 Difference]: Start difference. First operand has 77 states, 50 states have (on average 1.38) internal successors, (69), 51 states have internal predecessors, (69), 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2024-11-09 04:41:32,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:32,773 INFO L93 Difference]: Finished difference Result 147 states and 252 transitions. [2024-11-09 04:41:32,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:41:32,775 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 158 [2024-11-09 04:41:32,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:32,788 INFO L225 Difference]: With dead ends: 147 [2024-11-09 04:41:32,788 INFO L226 Difference]: Without dead ends: 73 [2024-11-09 04:41:32,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:41:32,800 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:32,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:41:32,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-09 04:41:32,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-09 04:41:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 47 states have internal predecessors, (62), 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) [2024-11-09 04:41:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 110 transitions. [2024-11-09 04:41:32,873 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 110 transitions. Word has length 158 [2024-11-09 04:41:32,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:32,874 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 110 transitions. [2024-11-09 04:41:32,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2024-11-09 04:41:32,877 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2024-11-09 04:41:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-09 04:41:32,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:32,885 INFO L215 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, 1, 1] [2024-11-09 04:41:32,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 04:41:33,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:33,086 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:33,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:33,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1455420730, now seen corresponding path program 1 times [2024-11-09 04:41:33,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:41:33,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691057864] [2024-11-09 04:41:33,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:33,090 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 [2024-11-09 04:41:33,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:41:33,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:41:33,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:33,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:41:33,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-09 04:41:34,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:41:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-11-09 04:41:35,406 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:41:35,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691057864] [2024-11-09 04:41:35,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691057864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:41:35,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1121191581] [2024-11-09 04:41:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:35,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:41:35,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:41:35,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:41:35,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 04:41:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:36,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:41:36,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 04:41:37,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:41:37,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1121191581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:37,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:41:37,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 9] total 19 [2024-11-09 04:41:37,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287522953] [2024-11-09 04:41:37,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:37,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:41:37,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:41:37,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:41:37,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-09 04:41:37,752 INFO L87 Difference]: Start difference. First operand 73 states and 110 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2024-11-09 04:41:40,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:40,664 INFO L93 Difference]: Finished difference Result 300 states and 453 transitions. [2024-11-09 04:41:40,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:41:40,675 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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 158 [2024-11-09 04:41:40,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:40,679 INFO L225 Difference]: With dead ends: 300 [2024-11-09 04:41:40,679 INFO L226 Difference]: Without dead ends: 230 [2024-11-09 04:41:40,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 452 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2024-11-09 04:41:40,682 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 251 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:40,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 566 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-09 04:41:40,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-09 04:41:40,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 129. [2024-11-09 04:41:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 78 states have (on average 1.294871794871795) internal successors, (101), 78 states have internal predecessors, (101), 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) [2024-11-09 04:41:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 197 transitions. [2024-11-09 04:41:40,722 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 197 transitions. Word has length 158 [2024-11-09 04:41:40,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:40,723 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 197 transitions. [2024-11-09 04:41:40,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2024-11-09 04:41:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2024-11-09 04:41:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-09 04:41:40,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:40,727 INFO L215 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, 1, 1] [2024-11-09 04:41:40,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 04:41:40,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:41,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:41,129 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:41,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:41,130 INFO L85 PathProgramCache]: Analyzing trace with hash -2138481988, now seen corresponding path program 1 times [2024-11-09 04:41:41,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:41:41,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580252257] [2024-11-09 04:41:41,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:41,132 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 [2024-11-09 04:41:41,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:41:41,136 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:41:41,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:41,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:41:41,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-09 04:41:42,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:41:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-11-09 04:41:43,046 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:41:43,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580252257] [2024-11-09 04:41:43,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580252257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:41:43,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2139129334] [2024-11-09 04:41:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:43,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:41:43,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:41:43,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:41:43,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 04:41:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:44,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:41:44,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-09 04:41:44,450 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:41:44,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2139129334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:44,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 04:41:44,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 9] total 15 [2024-11-09 04:41:44,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726624039] [2024-11-09 04:41:44,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:44,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:41:44,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:41:44,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:41:44,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-09 04:41:44,454 INFO L87 Difference]: Start difference. First operand 129 states and 197 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-09 04:41:44,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:44,975 INFO L93 Difference]: Finished difference Result 199 states and 304 transitions. [2024-11-09 04:41:44,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:41:44,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 158 [2024-11-09 04:41:44,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:44,989 INFO L225 Difference]: With dead ends: 199 [2024-11-09 04:41:44,990 INFO L226 Difference]: Without dead ends: 129 [2024-11-09 04:41:44,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-09 04:41:44,992 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 104 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:44,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 197 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 04:41:44,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-09 04:41:45,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-09 04:41:45,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 78 states have internal predecessors, (100), 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) [2024-11-09 04:41:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 196 transitions. [2024-11-09 04:41:45,020 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 196 transitions. Word has length 158 [2024-11-09 04:41:45,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:45,021 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 196 transitions. [2024-11-09 04:41:45,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-09 04:41:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 196 transitions. [2024-11-09 04:41:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 04:41:45,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:45,024 INFO L215 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, 1, 1, 1] [2024-11-09 04:41:45,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 04:41:45,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:45,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:45,426 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:45,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:45,426 INFO L85 PathProgramCache]: Analyzing trace with hash 395236306, now seen corresponding path program 1 times [2024-11-09 04:41:45,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:41:45,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509011427] [2024-11-09 04:41:45,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:45,428 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 [2024-11-09 04:41:45,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:41:45,431 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:41:45,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:45,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:41:45,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-09 04:41:46,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:41:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-11-09 04:41:47,338 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:41:47,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509011427] [2024-11-09 04:41:47,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509011427] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:41:47,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1877816340] [2024-11-09 04:41:47,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:47,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:41:47,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:41:47,341 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:41:47,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 04:41:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:48,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 04:41:48,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-09 04:41:49,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:41:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-11-09 04:41:49,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1877816340] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:41:49,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576053689] [2024-11-09 04:41:49,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:49,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:41:49,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:41:49,902 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:41:49,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 04:41:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:50,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:41:50,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 689 proven. 57 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-09 04:41:50,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:41:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 75 proven. 60 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-11-09 04:41:51,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576053689] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:41:51,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:41:51,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 13 [2024-11-09 04:41:51,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806896439] [2024-11-09 04:41:51,224 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:41:51,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 04:41:51,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:41:51,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 04:41:51,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-09 04:41:51,227 INFO L87 Difference]: Start difference. First operand 129 states and 196 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 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) [2024-11-09 04:41:52,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:52,426 INFO L93 Difference]: Finished difference Result 242 states and 345 transitions. [2024-11-09 04:41:52,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 04:41:52,427 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 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 159 [2024-11-09 04:41:52,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:52,430 INFO L225 Difference]: With dead ends: 242 [2024-11-09 04:41:52,430 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 04:41:52,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 932 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=193, Invalid=359, Unknown=0, NotChecked=0, Total=552 [2024-11-09 04:41:52,433 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 112 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:52,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 241 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 04:41:52,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 04:41:52,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 149. [2024-11-09 04:41:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 93 states have (on average 1.2150537634408602) internal successors, (113), 93 states have internal predecessors, (113), 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) [2024-11-09 04:41:52,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 209 transitions. [2024-11-09 04:41:52,462 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 209 transitions. Word has length 159 [2024-11-09 04:41:52,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:52,462 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 209 transitions. [2024-11-09 04:41:52,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 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) [2024-11-09 04:41:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 209 transitions. [2024-11-09 04:41:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 04:41:52,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:52,466 INFO L215 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, 1, 1, 1, 1] [2024-11-09 04:41:52,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 04:41:52,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:52,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 04:41:53,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:41:53,067 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:53,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:53,068 INFO L85 PathProgramCache]: Analyzing trace with hash 667458237, now seen corresponding path program 1 times [2024-11-09 04:41:53,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:41:53,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590362274] [2024-11-09 04:41:53,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:53,069 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 [2024-11-09 04:41:53,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:41:53,072 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:41:53,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:41:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:53,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:41:53,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:41:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 417 proven. 114 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-09 04:41:55,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:41:57,028 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:41:57,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590362274] [2024-11-09 04:41:57,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590362274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:41:57,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1361863814] [2024-11-09 04:41:57,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:57,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:41:57,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:41:57,031 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:41:57,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b7bb342-0d7b-402b-a2be-4e4b1ae633eb/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 04:41:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:58,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:41:58,463 INFO L278 TraceCheckSpWp]: Computing forward predicates...