./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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_686cd41b-b758-443f-83a1-7d8c4a683b02/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 c2c331e2f68e9d93ed0b3a3f04be22ea072b7c552ef634090004a61d599de390 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:37:11,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:37:11,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:37:11,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:37:11,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:37:11,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:37:11,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:37:11,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:37:11,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:37:11,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:37:11,338 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:37:11,339 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:37:11,339 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:37:11,340 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:37:11,340 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:37:11,340 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:37:11,341 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:37:11,341 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:37:11,342 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:37:11,342 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:37:11,343 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:37:11,343 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:37:11,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:37:11,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:37:11,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:37:11,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:37:11,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:37:11,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:37:11,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:37:11,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:37:11,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:37:11,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:37:11,372 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:37:11,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:37:11,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:37:11,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:37:11,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:37:11,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:37:11,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:11,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:37:11,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:37:11,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:37:11,380 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:37:11,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:37:11,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:37:11,382 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:37:11,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:37:11,382 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_686cd41b-b758-443f-83a1-7d8c4a683b02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2c331e2f68e9d93ed0b3a3f04be22ea072b7c552ef634090004a61d599de390 [2024-11-09 06:37:11,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:37:11,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:37:11,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:37:11,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:37:11,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:37:11,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i Unable to find full path for "g++" [2024-11-09 06:37:13,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:37:14,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:37:14,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i [2024-11-09 06:37:14,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/data/852523c41/d90bfab9c493499d9f97cf9670ec6d74/FLAG7d6ccd7a4 [2024-11-09 06:37:14,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/data/852523c41/d90bfab9c493499d9f97cf9670ec6d74 [2024-11-09 06:37:14,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:37:14,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:37:14,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:14,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:37:14,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:37:14,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:14,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64299d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14, skipping insertion in model container [2024-11-09 06:37:14,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:14,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:37:14,772 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_686cd41b-b758-443f-83a1-7d8c4a683b02/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i[918,931] [2024-11-09 06:37:14,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:14,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:37:14,873 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_686cd41b-b758-443f-83a1-7d8c4a683b02/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i[918,931] [2024-11-09 06:37:14,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:14,929 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:37:14,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14 WrapperNode [2024-11-09 06:37:14,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:14,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:14,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:37:14,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:37:14,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:14,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,007 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2024-11-09 06:37:15,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:15,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:37:15,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:37:15,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:37:15,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:37:15,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:37:15,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:37:15,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:37:15,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (1/1) ... [2024-11-09 06:37:15,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:15,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:15,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:37:15,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:37:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:37:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:37:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:37:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:37:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:37:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:37:15,295 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:37:15,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:37:15,855 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 06:37:15,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:37:16,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:37:16,236 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:37:16,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:16 BoogieIcfgContainer [2024-11-09 06:37:16,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:37:16,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:37:16,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:37:16,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:37:16,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:37:14" (1/3) ... [2024-11-09 06:37:16,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ac6bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:16, skipping insertion in model container [2024-11-09 06:37:16,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:14" (2/3) ... [2024-11-09 06:37:16,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ac6bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:16, skipping insertion in model container [2024-11-09 06:37:16,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:16" (3/3) ... [2024-11-09 06:37:16,252 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-9.i [2024-11-09 06:37:16,273 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:37:16,274 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:37:16,361 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:37:16,367 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;@33bf7b04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:37:16,368 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:37:16,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:37:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 06:37:16,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:16,386 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:16,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:16,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:16,396 INFO L85 PathProgramCache]: Analyzing trace with hash -469408759, now seen corresponding path program 1 times [2024-11-09 06:37:16,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:16,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829130791] [2024-11-09 06:37:16,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:16,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:37:16,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625452376] [2024-11-09 06:37:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:16,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:37:16,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:16,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:37:16,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:37:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:37:17,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:37:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:37:17,438 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:37:17,444 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:37:17,446 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:37:17,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:37:17,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:37:17,653 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:37:17,755 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:37:17,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:37:17 BoogieIcfgContainer [2024-11-09 06:37:17,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:37:17,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:37:17,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:37:17,760 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:37:17,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:16" (3/4) ... [2024-11-09 06:37:17,765 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:37:17,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:37:17,769 INFO L158 Benchmark]: Toolchain (without parser) took 3320.84ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 70.7MB in the beginning and 87.0MB in the end (delta: -16.3MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-11-09 06:37:17,770 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 97.9MB in the end (delta: 128.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:37:17,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.95ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 70.5MB in the beginning and 145.9MB in the end (delta: -75.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-09 06:37:17,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.10ms. Allocated memory is still 184.5MB. Free memory was 145.9MB in the beginning and 143.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:37:17,774 INFO L158 Benchmark]: Boogie Preprocessor took 67.38ms. Allocated memory is still 184.5MB. Free memory was 143.0MB in the beginning and 140.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:37:17,776 INFO L158 Benchmark]: RCFGBuilder took 1160.64ms. Allocated memory is still 184.5MB. Free memory was 140.9MB in the beginning and 140.5MB in the end (delta: 412.6kB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 06:37:17,776 INFO L158 Benchmark]: TraceAbstraction took 1518.60ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 87.0MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-09 06:37:17,780 INFO L158 Benchmark]: Witness Printer took 6.88ms. Allocated memory is still 184.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:37:17,783 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 97.9MB in the end (delta: 128.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.95ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 70.5MB in the beginning and 145.9MB in the end (delta: -75.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.10ms. Allocated memory is still 184.5MB. Free memory was 145.9MB in the beginning and 143.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.38ms. Allocated memory is still 184.5MB. Free memory was 143.0MB in the beginning and 140.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.64ms. Allocated memory is still 184.5MB. Free memory was 140.9MB in the beginning and 140.5MB in the end (delta: 412.6kB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1518.60ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 87.0MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 6.88ms. Allocated memory is still 184.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of shiftLeft at line 51, overapproximation of shiftRight at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed short int var_1_3 = 1; [L24] signed long int var_1_5 = -64; [L25] signed char var_1_6 = 10; [L26] signed char var_1_7 = 5; [L27] double var_1_8 = 16.25; [L28] double var_1_9 = 1.8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 64; [L31] unsigned short int var_1_12 = 16; [L32] unsigned long int var_1_13 = 128; [L33] unsigned char var_1_15 = 1; [L34] unsigned short int var_1_16 = 256; [L35] signed char var_1_18 = -2; [L36] unsigned char last_1_var_1_10 = 32; [L37] unsigned short int last_1_var_1_12 = 16; [L38] unsigned long int last_1_var_1_13 = 128; [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] CALL updateLastVariables() [L109] last_1_var_1_10 = var_1_10 [L110] last_1_var_1_12 = var_1_12 [L111] last_1_var_1_13 = var_1_13 [L121] RET updateLastVariables() [L122] CALL updateVariables() [L84] var_1_3 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L86] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L87] var_1_5 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L89] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L90] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L91] var_1_6 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L93] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L94] var_1_7 = __VERIFIER_nondet_char() [L95] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L96] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L97] var_1_8 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_9=9/5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_9=9/5] [L99] var_1_9 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L101] var_1_11 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L103] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=-764, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=-764, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L104] var_1_15 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=-764, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=-764, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L106] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=-764, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=-764, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L122] RET updateVariables() [L123] CALL step() [L42] COND TRUE ((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10 [L43] var_1_12 = var_1_6 [L45] COND TRUE var_1_6 <= (last_1_var_1_12 + var_1_7) [L46] var_1_10 = var_1_11 [L50] var_1_18 = var_1_3 [L51] EXPR 1 << var_1_10 [L51] COND TRUE (1 << var_1_10) != (-500 / -100) [L52] COND FALSE !((var_1_6 - var_1_3) >= (var_1_12 + 256)) [L55] var_1_13 = var_1_12 [L60] COND FALSE !((- var_1_9) <= var_1_8) [L73] var_1_16 = var_1_10 [L75] EXPR var_1_16 >> var_1_3 [L75] COND FALSE !((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) [L123] RET step() [L124] CALL, EXPR property() [L114] EXPR var_1_16 >> var_1_3 [L114] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 [L114] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L114] EXPR 1 << var_1_10 [L114] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) [L114-L115] return (((((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_12) ? ((var_1_13 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=-764, var_1_11=-764, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=4, var_1_18=0, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=-764, var_1_11=-764, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=4, var_1_18=0, var_1_1=11/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 15, 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=32occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:37:17,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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_686cd41b-b758-443f-83a1-7d8c4a683b02/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 c2c331e2f68e9d93ed0b3a3f04be22ea072b7c552ef634090004a61d599de390 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:37:20,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:37:20,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:37:20,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:37:20,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:37:20,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:37:20,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:37:20,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:37:20,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:37:20,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:37:20,673 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:37:20,673 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:37:20,674 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:37:20,677 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:37:20,678 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:37:20,678 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:37:20,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:37:20,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:37:20,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:37:20,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:37:20,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:37:20,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:37:20,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:37:20,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:37:20,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:37:20,682 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:37:20,682 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:37:20,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:37:20,683 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:37:20,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:37:20,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:37:20,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:37:20,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:37:20,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:37:20,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:37:20,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:20,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:37:20,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:37:20,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:37:20,686 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:37:20,687 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:37:20,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:37:20,687 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:37:20,687 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_686cd41b-b758-443f-83a1-7d8c4a683b02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2c331e2f68e9d93ed0b3a3f04be22ea072b7c552ef634090004a61d599de390 [2024-11-09 06:37:21,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:37:21,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:37:21,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:37:21,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:37:21,150 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:37:21,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i Unable to find full path for "g++" [2024-11-09 06:37:23,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:37:23,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:37:23,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i [2024-11-09 06:37:23,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/data/36f84bd27/03fb37c853e3460c888952159890c7d9/FLAGbfc23d28c [2024-11-09 06:37:23,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/data/36f84bd27/03fb37c853e3460c888952159890c7d9 [2024-11-09 06:37:23,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:37:23,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:37:23,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:23,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:37:23,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:37:23,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609cf3f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23, skipping insertion in model container [2024-11-09 06:37:23,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:37:24,065 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_686cd41b-b758-443f-83a1-7d8c4a683b02/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i[918,931] [2024-11-09 06:37:24,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:24,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:37:24,212 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_686cd41b-b758-443f-83a1-7d8c4a683b02/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-9.i[918,931] [2024-11-09 06:37:24,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:24,308 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:37:24,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24 WrapperNode [2024-11-09 06:37:24,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:24,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:24,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:37:24,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:37:24,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,390 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-09 06:37:24,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:24,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:37:24,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:37:24,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:37:24,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:37:24,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:37:24,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:37:24,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:37:24,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (1/1) ... [2024-11-09 06:37:24,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:24,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:24,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:37:24,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:37:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:37:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:37:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:37:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:37:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:37:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:37:24,688 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:37:24,691 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:37:25,153 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 06:37:25,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:37:25,169 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:37:25,169 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:37:25,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:25 BoogieIcfgContainer [2024-11-09 06:37:25,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:37:25,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:37:25,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:37:25,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:37:25,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:37:23" (1/3) ... [2024-11-09 06:37:25,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a5c9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:25, skipping insertion in model container [2024-11-09 06:37:25,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:24" (2/3) ... [2024-11-09 06:37:25,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a5c9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:25, skipping insertion in model container [2024-11-09 06:37:25,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:25" (3/3) ... [2024-11-09 06:37:25,182 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-9.i [2024-11-09 06:37:25,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:37:25,205 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:37:25,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:37:25,335 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;@5c28215f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:37:25,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:37:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:37:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 06:37:25,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:25,357 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:25,358 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:25,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:25,365 INFO L85 PathProgramCache]: Analyzing trace with hash -196654245, now seen corresponding path program 1 times [2024-11-09 06:37:25,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:25,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349898918] [2024-11-09 06:37:25,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:25,385 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 06:37:25,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:25,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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 06:37:25,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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 06:37:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:25,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:37:25,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:25,802 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-09 06:37:25,807 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:37:25,808 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:37:25,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349898918] [2024-11-09 06:37:25,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349898918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:25,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:25,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:37:25,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980378302] [2024-11-09 06:37:25,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:25,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:37:25,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:37:25,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:37:25,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:37:25,857 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 06:37:25,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:25,902 INFO L93 Difference]: Finished difference Result 99 states and 169 transitions. [2024-11-09 06:37:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:37:25,904 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2024-11-09 06:37:25,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:25,915 INFO L225 Difference]: With dead ends: 99 [2024-11-09 06:37:25,916 INFO L226 Difference]: Without dead ends: 49 [2024-11-09 06:37:25,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 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 06:37:25,927 INFO L432 NwaCegarLoop]: 72 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, 72 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 06:37:25,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:37:25,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-09 06:37:25,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-09 06:37:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.3125) internal successors, (42), 32 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 06:37:25,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-09 06:37:25,996 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 98 [2024-11-09 06:37:25,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:25,998 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-09 06:37:25,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 06:37:25,998 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-09 06:37:26,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 06:37:26,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:26,007 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:26,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:37:26,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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 06:37:26,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:26,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:26,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1495114900, now seen corresponding path program 1 times [2024-11-09 06:37:26,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:26,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365003180] [2024-11-09 06:37:26,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:26,210 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 06:37:26,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:26,214 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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 06:37:26,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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 06:37:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:26,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 06:37:26,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:28,837 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 243 proven. 72 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 06:37:28,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:37:29,485 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:37:29,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365003180] [2024-11-09 06:37:29,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365003180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:37:29,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1196527112] [2024-11-09 06:37:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:29,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:37:29,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:37:29,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:37:29,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 06:37:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:30,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:37:30,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 228 proven. 63 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-09 06:37:31,192 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:37:31,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1196527112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:37:31,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398903835] [2024-11-09 06:37:31,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:31,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:37:31,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:31,410 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:37:31,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:37:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:31,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 06:37:31,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 243 proven. 72 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 06:37:32,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:37:33,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398903835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:37:33,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:37:33,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 15] total 15 [2024-11-09 06:37:33,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895380361] [2024-11-09 06:37:33,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:37:33,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 06:37:33,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:37:33,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 06:37:33,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-11-09 06:37:33,114 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 16 states, 16 states have (on average 3.25) internal successors, (52), 14 states have internal predecessors, (52), 5 states have call successors, (21), 5 states have call predecessors, (21), 7 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-09 06:37:34,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:34,886 INFO L93 Difference]: Finished difference Result 176 states and 249 transitions. [2024-11-09 06:37:34,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 06:37:34,888 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 14 states have internal predecessors, (52), 5 states have call successors, (21), 5 states have call predecessors, (21), 7 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 99 [2024-11-09 06:37:34,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:34,891 INFO L225 Difference]: With dead ends: 176 [2024-11-09 06:37:34,891 INFO L226 Difference]: Without dead ends: 130 [2024-11-09 06:37:34,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 430 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=381, Invalid=951, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 06:37:34,894 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 98 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:34,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 506 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 06:37:34,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-09 06:37:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 110. [2024-11-09 06:37:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 73 states have internal predecessors, (92), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 06:37:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 152 transitions. [2024-11-09 06:37:34,931 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 152 transitions. Word has length 99 [2024-11-09 06:37:34,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:34,934 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 152 transitions. [2024-11-09 06:37:34,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 14 states have internal predecessors, (52), 5 states have call successors, (21), 5 states have call predecessors, (21), 7 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-09 06:37:34,935 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 152 transitions. [2024-11-09 06:37:34,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 06:37:34,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:34,940 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:34,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:37:35,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:37:35,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:37:35,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:37:35,545 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:35,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:35,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1102087890, now seen corresponding path program 1 times [2024-11-09 06:37:35,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:35,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369040050] [2024-11-09 06:37:35,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:35,547 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 06:37:35,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:35,551 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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 06:37:35,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686cd41b-b758-443f-83a1-7d8c4a683b02/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 06:37:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:35,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 06:37:35,719 INFO L278 TraceCheckSpWp]: Computing forward predicates...