./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 d8efc9d13c63d62525adf26a7e0e14c7dd115ca3cd4b07901614f0ff84e564af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:32:54,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:32:54,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:32:54,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:32:54,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:32:54,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:32:54,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:32:54,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:32:54,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:32:54,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:32:54,850 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:32:54,850 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:32:54,851 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:32:54,852 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:32:54,852 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:32:54,853 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:32:54,854 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:32:54,854 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:32:54,855 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:32:54,856 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:32:54,857 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:32:54,861 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:32:54,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:32:54,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:32:54,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:32:54,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:32:54,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:32:54,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:32:54,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:32:54,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:32:54,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:32:54,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:32:54,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:32:54,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:32:54,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:32:54,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:32:54,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:32:54,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:32:54,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:32:54,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:32:54,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:32:54,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:32:54,876 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:32:54,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:32:54,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:32:54,878 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:32:54,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:32:54,879 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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8efc9d13c63d62525adf26a7e0e14c7dd115ca3cd4b07901614f0ff84e564af [2024-11-09 05:32:55,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:32:55,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:32:55,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:32:55,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:32:55,330 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:32:55,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i Unable to find full path for "g++" [2024-11-09 05:32:57,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:32:58,101 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:32:58,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i [2024-11-09 05:32:58,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/data/636580351/5b0fc0f6243843fb84f89658c22236ff/FLAG0481bacbf [2024-11-09 05:32:58,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/data/636580351/5b0fc0f6243843fb84f89658c22236ff [2024-11-09 05:32:58,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:32:58,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:32:58,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:32:58,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:32:58,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:32:58,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bcf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58, skipping insertion in model container [2024-11-09 05:32:58,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:32:58,475 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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i[913,926] [2024-11-09 05:32:58,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:32:58,608 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:32:58,623 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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i[913,926] [2024-11-09 05:32:58,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:32:58,717 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:32:58,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58 WrapperNode [2024-11-09 05:32:58,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:32:58,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:32:58,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:32:58,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:32:58,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,816 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2024-11-09 05:32:58,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:32:58,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:32:58,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:32:58,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:32:58,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:32:58,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:32:58,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:32:58,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:32:58,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (1/1) ... [2024-11-09 05:32:58,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:32:58,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:32:58,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:32:58,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:32:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:32:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:32:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:32:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:32:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:32:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:32:59,156 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:32:59,162 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:32:59,738 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 05:32:59,738 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:33:00,115 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:33:00,116 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:33:00,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:00 BoogieIcfgContainer [2024-11-09 05:33:00,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:33:00,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:33:00,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:33:00,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:33:00,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:32:58" (1/3) ... [2024-11-09 05:33:00,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c7602e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:00, skipping insertion in model container [2024-11-09 05:33:00,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:58" (2/3) ... [2024-11-09 05:33:00,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c7602e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:00, skipping insertion in model container [2024-11-09 05:33:00,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:00" (3/3) ... [2024-11-09 05:33:00,134 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-22.i [2024-11-09 05:33:00,161 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:33:00,161 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:33:00,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:33:00,288 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;@4040f473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:33:00,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:33:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 05:33:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 05:33:00,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:00,313 INFO L215 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:00,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:33:00,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:00,322 INFO L85 PathProgramCache]: Analyzing trace with hash 952947170, now seen corresponding path program 1 times [2024-11-09 05:33:00,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:33:00,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921331845] [2024-11-09 05:33:00,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:00,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:33:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:33:01,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:33:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:33:01,790 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:33:01,793 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:33:01,796 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:33:01,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:33:01,805 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:33:01,983 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:33:01,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:33:01 BoogieIcfgContainer [2024-11-09 05:33:01,989 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:33:01,991 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:33:01,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:33:01,992 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:33:01,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:00" (3/4) ... [2024-11-09 05:33:01,997 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:33:01,999 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:33:02,001 INFO L158 Benchmark]: Toolchain (without parser) took 3848.58ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 87.6MB in the end (delta: 40.0MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2024-11-09 05:33:02,002 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 90.9MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:33:02,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.81ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 110.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:33:02,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.75ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 106.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:33:02,007 INFO L158 Benchmark]: Boogie Preprocessor took 58.94ms. Allocated memory is still 165.7MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:33:02,008 INFO L158 Benchmark]: RCFGBuilder took 1239.75ms. Allocated memory is still 165.7MB. Free memory was 104.1MB in the beginning and 118.8MB in the end (delta: -14.8MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-11-09 05:33:02,009 INFO L158 Benchmark]: TraceAbstraction took 1869.42ms. Allocated memory is still 165.7MB. Free memory was 117.8MB in the beginning and 88.6MB in the end (delta: 29.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-09 05:33:02,010 INFO L158 Benchmark]: Witness Printer took 7.72ms. Allocated memory is still 165.7MB. Free memory was 87.6MB in the beginning and 87.6MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:33:02,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 123.7MB. Free memory was 91.0MB in the beginning and 90.9MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.81ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 110.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.75ms. Allocated memory is still 165.7MB. Free memory was 110.7MB in the beginning and 106.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.94ms. Allocated memory is still 165.7MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1239.75ms. Allocated memory is still 165.7MB. Free memory was 104.1MB in the beginning and 118.8MB in the end (delta: -14.8MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1869.42ms. Allocated memory is still 165.7MB. Free memory was 117.8MB in the beginning and 88.6MB in the end (delta: 29.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 7.72ms. Allocated memory is still 165.7MB. Free memory was 87.6MB in the beginning and 87.6MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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 52, overapproximation of shiftLeft at line 57, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] float var_1_2 = 0.625; [L24] float var_1_3 = 1000000000000.5; [L25] unsigned short int var_1_4 = 256; [L26] unsigned short int var_1_5 = 100; [L27] unsigned short int var_1_6 = 10000; [L28] unsigned short int var_1_7 = 10000; [L29] unsigned short int var_1_8 = 128; [L30] unsigned short int var_1_9 = 8; [L31] unsigned char var_1_10 = 100; [L32] unsigned char var_1_11 = 64; [L33] unsigned char var_1_12 = 16; [L34] unsigned short int var_1_13 = 256; [L35] unsigned char var_1_14 = 1; [L36] unsigned short int var_1_15 = 256; [L37] unsigned short int var_1_16 = 1; [L38] unsigned short int var_1_17 = 4; [L39] double var_1_18 = 64.2; [L40] unsigned short int var_1_19 = 53045; [L41] double var_1_20 = 1.75; [L42] double var_1_21 = 50.35; [L43] double var_1_22 = 5.5; [L44] double var_1_23 = 7.125; [L45] unsigned long int var_1_24 = 50; [L46] unsigned long int var_1_25 = 1907531378; [L47] unsigned long int var_1_26 = 8; [L48] unsigned char var_1_27 = 0; [L148] isInitial = 1 [L149] FCALL initially() [L150] COND TRUE 1 [L151] FCALL updateLastVariables() [L152] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_3=2000000000001/2, var_1_4=256, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_3=2000000000001/2, var_1_4=256, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L90] var_1_3 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L92] var_1_4 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L94] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=100, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L95] var_1_5 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L97] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L98] var_1_6 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_6 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 >= 8191) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L100] CALL assume_abort_if_not(var_1_6 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_6 <= 16384) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=10000, var_1_8=128, var_1_9=8] [L101] var_1_7 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_7 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 >= 8192) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L103] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=128, var_1_9=8] [L104] var_1_8 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_9=8] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_9=8] [L106] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=8] [L107] var_1_9 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0] [L109] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L110] var_1_11 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=100, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L112] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L113] var_1_12 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L115] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L116] var_1_14 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L118] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=256, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L119] var_1_15 = __VERIFIER_nondet_ushort() [L120] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L121] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=1, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L122] var_1_16 = __VERIFIER_nondet_ushort() [L123] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L124] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L125] var_1_18 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L127] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L128] var_1_19 = __VERIFIER_nondet_ushort() [L129] CALL assume_abort_if_not(var_1_19 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_19 >= 49150) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L130] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L131] var_1_21 = __VERIFIER_nondet_double() [L132] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L133] var_1_22 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L135] var_1_23 = __VERIFIER_nondet_double() [L136] 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, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L136] 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, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L137] var_1_25 = __VERIFIER_nondet_ulong() [L138] CALL assume_abort_if_not(var_1_25 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_25 >= 1073741823) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L139] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, var_1_10=100, var_1_11=127, var_1_12=0, var_1_13=256, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L152] RET updateVariables() [L153] CALL step() [L52] COND TRUE var_1_2 < var_1_3 [L53] var_1_1 = ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) [L57] EXPR var_1_8 << var_1_4 [L57] COND FALSE !(var_1_9 < (var_1_8 << var_1_4)) [L60] var_1_10 = var_1_11 [L62] COND FALSE !((var_1_4 <= var_1_9) || var_1_14) [L65] var_1_13 = var_1_16 [L67] COND FALSE !((var_1_3 / var_1_18) > var_1_2) [L70] COND FALSE !(\read(var_1_14)) [L73] var_1_20 = var_1_22 [L75] COND FALSE !(var_1_7 == var_1_10) [L78] var_1_24 = (var_1_5 + (var_1_25 - var_1_11)) [L80] COND FALSE !(var_1_4 > (var_1_19 - var_1_7)) [L83] COND TRUE (- 3.75) < ((((var_1_3) < (var_1_22)) ? (var_1_3) : (var_1_22))) [L84] var_1_27 = 0 [L153] RET step() [L154] CALL, EXPR property() [L144] EXPR ((var_1_2 < var_1_3) ? (var_1_1 == ((unsigned short int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_8) + var_1_9)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) [L144] EXPR var_1_8 << var_1_4 [L144] EXPR ((var_1_2 < var_1_3) ? (var_1_1 == ((unsigned short int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_8) + var_1_9)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) [L144-L145] return ((((((((var_1_2 < var_1_3) ? (var_1_1 == ((unsigned short int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_8) + var_1_9)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11)))) && (((var_1_4 <= var_1_9) || var_1_14) ? (var_1_13 == ((unsigned short int) ((((((((var_1_5) > (var_1_8)) ? (var_1_5) : (var_1_8)))) > (var_1_15)) ? (((((var_1_5) > (var_1_8)) ? (var_1_5) : (var_1_8)))) : (var_1_15))))) : (var_1_13 == ((unsigned short int) var_1_16)))) && (((var_1_3 / var_1_18) > var_1_2) ? (var_1_17 == ((unsigned short int) ((var_1_19 - ((((var_1_10) > (var_1_12)) ? (var_1_10) : (var_1_12)))) - var_1_7))) : 1)) && (var_1_14 ? (var_1_20 == ((double) (((((((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) > (16.6)) ? (((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) : (16.6))) - var_1_23))) : (var_1_20 == ((double) var_1_22)))) && ((var_1_7 == var_1_10) ? (var_1_24 == ((unsigned long int) (2332545940u - (1490203111u - var_1_11)))) : (var_1_24 == ((unsigned long int) (var_1_5 + (var_1_25 - var_1_11)))))) && ((var_1_4 > (var_1_19 - var_1_7)) ? (var_1_26 == ((unsigned long int) var_1_8)) : 1)) && (((- 3.75) < ((((var_1_3) < (var_1_22)) ? (var_1_3) : (var_1_22)))) ? (var_1_27 == ((unsigned char) 0)) : 1) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=65536, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=0, var_1_20=1000000000006, var_1_22=1000000000006, var_1_24=2147483520, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] [L19] reach_error() VAL [isInitial=1, var_1_10=127, var_1_11=127, var_1_12=0, var_1_13=65536, var_1_14=0, var_1_15=65534, var_1_16=65536, var_1_17=4, var_1_19=-1081933826, var_1_1=0, var_1_20=1000000000006, var_1_22=1000000000006, var_1_24=2147483520, var_1_25=2147483647, var_1_26=8, var_1_27=0, var_1_4=49151, var_1_5=0, var_1_6=8191, var_1_7=16383, var_1_8=0, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 33, 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=61occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:33:02,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 d8efc9d13c63d62525adf26a7e0e14c7dd115ca3cd4b07901614f0ff84e564af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:33:05,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:33:05,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:33:05,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:33:05,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:33:05,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:33:05,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:33:05,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:33:05,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:33:05,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:33:05,282 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:33:05,283 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:33:05,283 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:33:05,287 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:33:05,288 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:33:05,288 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:33:05,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:33:05,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:33:05,290 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:33:05,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:33:05,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:33:05,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:33:05,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:33:05,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:33:05,296 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:33:05,297 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:33:05,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:33:05,297 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:33:05,298 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:33:05,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:33:05,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:33:05,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:33:05,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:33:05,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:33:05,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:33:05,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:33:05,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:33:05,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:33:05,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:33:05,304 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:33:05,304 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:33:05,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:33:05,324 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:33:05,324 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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8efc9d13c63d62525adf26a7e0e14c7dd115ca3cd4b07901614f0ff84e564af [2024-11-09 05:33:05,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:33:05,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:33:05,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:33:05,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:33:05,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:33:05,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i Unable to find full path for "g++" [2024-11-09 05:33:08,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:33:09,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:33:09,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i [2024-11-09 05:33:09,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/data/ab12a2002/347841b8f62b4609ae640ad012cdfc6c/FLAG02d27c091 [2024-11-09 05:33:09,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/data/ab12a2002/347841b8f62b4609ae640ad012cdfc6c [2024-11-09 05:33:09,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:33:09,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:33:09,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:33:09,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:33:09,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:33:09,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fdfe74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09, skipping insertion in model container [2024-11-09 05:33:09,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:33:09,423 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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i[913,926] [2024-11-09 05:33:09,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:33:09,569 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:33:09,588 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_6887aa9d-68a5-49ff-bf6b-475e2b34416b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-22.i[913,926] [2024-11-09 05:33:09,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:33:09,701 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:33:09,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09 WrapperNode [2024-11-09 05:33:09,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:33:09,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:33:09,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:33:09,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:33:09,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,765 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2024-11-09 05:33:09,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:33:09,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:33:09,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:33:09,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:33:09,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:33:09,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:33:09,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:33:09,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:33:09,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (1/1) ... [2024-11-09 05:33:09,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:33:09,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:09,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:33:09,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:33:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:33:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:33:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:33:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:33:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:33:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:33:10,141 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:33:10,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:33:17,788 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 05:33:17,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:33:17,805 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:33:17,805 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:33:17,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:17 BoogieIcfgContainer [2024-11-09 05:33:17,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:33:17,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:33:17,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:33:17,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:33:17,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:33:09" (1/3) ... [2024-11-09 05:33:17,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302a2503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:17, skipping insertion in model container [2024-11-09 05:33:17,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:33:09" (2/3) ... [2024-11-09 05:33:17,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302a2503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:33:17, skipping insertion in model container [2024-11-09 05:33:17,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:33:17" (3/3) ... [2024-11-09 05:33:17,844 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-22.i [2024-11-09 05:33:17,869 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:33:17,869 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:33:17,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:33:18,006 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;@7761d83e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:33:18,007 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:33:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 43 states have (on average 1.302325581395349) internal successors, (56), 44 states have internal predecessors, (56), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 05:33:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-09 05:33:18,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:18,052 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:18,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:33:18,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:18,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1755222030, now seen corresponding path program 1 times [2024-11-09 05:33:18,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:33:18,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900303595] [2024-11-09 05:33:18,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:18,087 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 05:33:18,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:33:18,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 05:33:18,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 05:33:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:19,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:33:19,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:19,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 604 proven. 0 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2024-11-09 05:33:19,484 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:33:19,485 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:33:19,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900303595] [2024-11-09 05:33:19,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900303595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:33:19,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:33:19,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:33:19,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345512244] [2024-11-09 05:33:19,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:33:19,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:33:19,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:33:19,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:33:19,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:33:19,530 INFO L87 Difference]: Start difference. First operand has 79 states, 43 states have (on average 1.302325581395349) internal successors, (56), 44 states have internal predecessors, (56), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-09 05:33:19,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:33:19,567 INFO L93 Difference]: Finished difference Result 151 states and 271 transitions. [2024-11-09 05:33:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:33:19,570 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 201 [2024-11-09 05:33:19,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:33:19,579 INFO L225 Difference]: With dead ends: 151 [2024-11-09 05:33:19,579 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 05:33:19,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 200 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 05:33:19,587 INFO L432 NwaCegarLoop]: 115 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, 115 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 05:33:19,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:33:19,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 05:33:19,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-09 05:33:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 05:33:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 115 transitions. [2024-11-09 05:33:19,661 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 115 transitions. Word has length 201 [2024-11-09 05:33:19,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:33:19,662 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 115 transitions. [2024-11-09 05:33:19,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-09 05:33:19,663 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2024-11-09 05:33:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-09 05:33:19,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:33:19,670 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:19,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:33:19,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 05:33:19,871 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:33:19,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:33:19,871 INFO L85 PathProgramCache]: Analyzing trace with hash 499255028, now seen corresponding path program 1 times [2024-11-09 05:33:19,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:33:19,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930471626] [2024-11-09 05:33:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:19,873 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 05:33:19,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:33:19,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 05:33:19,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 05:33:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:21,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:33:21,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 842 proven. 138 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2024-11-09 05:33:29,947 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:30,373 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:33:30,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930471626] [2024-11-09 05:33:30,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930471626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:30,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2124159652] [2024-11-09 05:33:30,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:30,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:33:30,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:33:30,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:33:30,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:33:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:32,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:33:32,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 816 proven. 72 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2024-11-09 05:33:36,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:36,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2124159652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:36,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257059080] [2024-11-09 05:33:36,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:33:36,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:33:36,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:33:36,550 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:33:36,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:33:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:33:37,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:33:37,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:33:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 816 proven. 72 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2024-11-09 05:33:41,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:33:41,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257059080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:33:41,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:33:41,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 8 [2024-11-09 05:33:41,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839369795] [2024-11-09 05:33:41,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:33:41,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 05:33:41,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:33:41,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 05:33:41,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:33:41,672 INFO L87 Difference]: Start difference. First operand 75 states and 115 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-11-09 05:33:48,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:33:50,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:33:52,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:33:54,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:33:56,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:33:59,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:34:01,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:34:03,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:34:05,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:34:07,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:34:07,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:34:07,241 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2024-11-09 05:34:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 05:34:07,393 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 201 [2024-11-09 05:34:07,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:34:07,397 INFO L225 Difference]: With dead ends: 157 [2024-11-09 05:34:07,397 INFO L226 Difference]: Without dead ends: 85 [2024-11-09 05:34:07,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:34:07,400 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 57 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 27 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:34:07,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 232 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 314 Invalid, 10 Unknown, 0 Unchecked, 25.1s Time] [2024-11-09 05:34:07,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-09 05:34:07,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2024-11-09 05:34:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 05:34:07,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2024-11-09 05:34:07,447 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 201 [2024-11-09 05:34:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:34:07,452 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2024-11-09 05:34:07,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (56), 3 states have call predecessors, (56), 5 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-11-09 05:34:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2024-11-09 05:34:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-09 05:34:07,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:34:07,459 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:07,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:34:07,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:34:07,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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)] Ended with exit code 0 [2024-11-09 05:34:08,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 05:34:08,060 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:34:08,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:34:08,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2020704906, now seen corresponding path program 1 times [2024-11-09 05:34:08,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:34:08,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982849428] [2024-11-09 05:34:08,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:34:08,062 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 05:34:08,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:34:08,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 05:34:08,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 (6)] Waiting until timeout for monitored process [2024-11-09 05:34:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:34:09,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 05:34:09,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:34:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1443 proven. 198 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2024-11-09 05:34:24,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:34:26,845 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:34:26,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982849428] [2024-11-09 05:34:26,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982849428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:34:26,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2076886463] [2024-11-09 05:34:26,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:34:26,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:34:26,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:34:26,850 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:34:26,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 05:34:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:34:29,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 05:34:29,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:34:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1443 proven. 198 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2024-11-09 05:34:42,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:34:42,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2076886463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:34:42,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039619983] [2024-11-09 05:34:42,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:34:42,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:34:42,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:34:42,845 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:34:42,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:34:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:34:44,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 05:34:44,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:34:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1443 proven. 198 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2024-11-09 05:34:56,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:34:57,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039619983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:34:57,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:34:57,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 16 [2024-11-09 05:34:57,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249964359] [2024-11-09 05:34:57,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:34:57,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 05:34:57,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:34:57,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 05:34:57,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:34:57,195 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 16 states, 16 states have (on average 3.75) internal successors, (60), 15 states have internal predecessors, (60), 5 states have call successors, (33), 5 states have call predecessors, (33), 8 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2024-11-09 05:35:07,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:09,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:11,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:13,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:15,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:16,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:20,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:22,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:24,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:26,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:28,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:31,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:33,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:35,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:37,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:35:39,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:41,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:43,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:45,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:47,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:49,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:35:51,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:51,821 INFO L93 Difference]: Finished difference Result 199 states and 277 transitions. [2024-11-09 05:35:51,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 05:35:51,825 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 15 states have internal predecessors, (60), 5 states have call successors, (33), 5 states have call predecessors, (33), 8 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) Word has length 201 [2024-11-09 05:35:51,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:51,828 INFO L225 Difference]: With dead ends: 199 [2024-11-09 05:35:51,829 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 05:35:51,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 618 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=188, Invalid=514, Unknown=0, NotChecked=0, Total=702 [2024-11-09 05:35:51,832 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 97 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 16 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:51,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 249 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 439 Invalid, 20 Unknown, 0 Unchecked, 52.6s Time] [2024-11-09 05:35:51,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 05:35:51,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 110. [2024-11-09 05:35:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 35 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-09 05:35:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 151 transitions. [2024-11-09 05:35:51,855 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 151 transitions. Word has length 201 [2024-11-09 05:35:51,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:51,857 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 151 transitions. [2024-11-09 05:35:51,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 15 states have internal predecessors, (60), 5 states have call successors, (33), 5 states have call predecessors, (33), 8 states have return successors, (33), 5 states have call predecessors, (33), 5 states have call successors, (33) [2024-11-09 05:35:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2024-11-09 05:35:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-09 05:35:51,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:51,863 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:35:51,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 05:35:52,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 05:35:52,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 (6)] Forceful destruction successful, exit code 0 [2024-11-09 05:35:52,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 05:35:52,464 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:35:52,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:52,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1963446604, now seen corresponding path program 1 times [2024-11-09 05:35:52,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:35:52,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370613121] [2024-11-09 05:35:52,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:52,466 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 05:35:52,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:35:52,468 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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 05:35:52,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6887aa9d-68a5-49ff-bf6b-475e2b34416b/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)] Waiting until timeout for monitored process [2024-11-09 05:35:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:56,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 05:35:56,952 INFO L278 TraceCheckSpWp]: Computing forward predicates...