./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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_59dfee70-e033-4cce-8c1c-87fcbe708066/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 46705387b09ad994e1a51666adbfb1b9ed7a0344d3fcdf3b9d51cd3cb2baf1b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:37:36,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:37:37,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:37:37,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:37:37,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:37:37,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:37:37,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:37:37,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:37:37,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:37:37,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:37:37,174 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:37:37,174 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:37:37,175 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:37:37,176 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:37:37,178 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:37:37,179 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:37:37,180 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:37:37,180 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:37:37,181 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:37:37,181 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:37:37,182 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:37:37,183 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:37:37,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:37:37,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:37:37,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:37:37,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:37:37,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:37:37,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:37:37,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:37:37,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:37:37,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:37:37,188 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:37:37,188 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:37:37,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:37:37,189 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:37:37,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:37:37,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:37:37,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:37:37,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:37:37,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:37:37,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:37:37,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:37:37,193 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:37:37,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:37:37,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:37:37,194 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:37:37,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:37:37,195 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_59dfee70-e033-4cce-8c1c-87fcbe708066/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46705387b09ad994e1a51666adbfb1b9ed7a0344d3fcdf3b9d51cd3cb2baf1b7 [2024-11-09 04:37:37,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:37:37,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:37:37,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:37:37,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:37:37,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:37:37,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i Unable to find full path for "g++" [2024-11-09 04:37:40,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:37:40,366 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:37:40,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i [2024-11-09 04:37:40,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/data/7c7330765/b2195de93c064f1da1854c03603fd2cd/FLAG04806df87 [2024-11-09 04:37:40,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/data/7c7330765/b2195de93c064f1da1854c03603fd2cd [2024-11-09 04:37:40,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:37:40,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:37:40,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:37:40,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:37:40,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:37:40,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:40,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdbc4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40, skipping insertion in model container [2024-11-09 04:37:40,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:40,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:37:40,700 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_59dfee70-e033-4cce-8c1c-87fcbe708066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i[916,929] [2024-11-09 04:37:40,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:37:40,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:37:40,833 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_59dfee70-e033-4cce-8c1c-87fcbe708066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i[916,929] [2024-11-09 04:37:40,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:37:40,973 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:37:40,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40 WrapperNode [2024-11-09 04:37:40,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:37:40,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:37:40,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:37:40,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:37:40,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,089 INFO L138 Inliner]: procedures = 29, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 511 [2024-11-09 04:37:41,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:37:41,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:37:41,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:37:41,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:37:41,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:37:41,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:37:41,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:37:41,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:37:41,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (1/1) ... [2024-11-09 04:37:41,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:37:41,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:37:41,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:37:41,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:37:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:37:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:37:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 04:37:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 04:37:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:37:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 04:37:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:37:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:37:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:37:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:37:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:37:41,441 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:37:41,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:37:42,212 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-09 04:37:42,212 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:37:42,866 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:37:42,866 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:37:42,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:37:42 BoogieIcfgContainer [2024-11-09 04:37:42,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:37:42,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:37:42,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:37:42,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:37:42,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:37:40" (1/3) ... [2024-11-09 04:37:42,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d316d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:37:42, skipping insertion in model container [2024-11-09 04:37:42,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:40" (2/3) ... [2024-11-09 04:37:42,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d316d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:37:42, skipping insertion in model container [2024-11-09 04:37:42,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:37:42" (3/3) ... [2024-11-09 04:37:42,879 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-60.i [2024-11-09 04:37:42,901 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:37:42,901 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:37:42,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:37:42,985 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;@6fae4bbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:37:42,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:37:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 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 04:37:43,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 04:37:43,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:43,003 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:37:43,004 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:43,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:43,011 INFO L85 PathProgramCache]: Analyzing trace with hash 501800194, now seen corresponding path program 1 times [2024-11-09 04:37:43,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:37:43,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596638550] [2024-11-09 04:37:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:43,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:37:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:37:44,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:37:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:37:44,729 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:37:44,733 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:37:44,735 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:37:44,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:37:44,743 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:37:44,863 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:37:44,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:37:44 BoogieIcfgContainer [2024-11-09 04:37:44,868 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:37:44,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:37:44,869 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:37:44,869 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:37:44,869 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:37:42" (3/4) ... [2024-11-09 04:37:44,874 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:37:44,876 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:37:44,878 INFO L158 Benchmark]: Toolchain (without parser) took 4469.58ms. Allocated memory was 127.9MB in the beginning and 211.8MB in the end (delta: 83.9MB). Free memory was 84.2MB in the beginning and 78.8MB in the end (delta: 5.4MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2024-11-09 04:37:44,879 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:37:44,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.57ms. Allocated memory is still 127.9MB. Free memory was 84.2MB in the beginning and 67.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 04:37:44,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.72ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 67.6MB in the beginning and 132.0MB in the end (delta: -64.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-09 04:37:44,883 INFO L158 Benchmark]: Boogie Preprocessor took 117.89ms. Allocated memory is still 161.5MB. Free memory was 131.9MB in the beginning and 130.4MB in the end (delta: 1.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-09 04:37:44,884 INFO L158 Benchmark]: RCFGBuilder took 1653.28ms. Allocated memory is still 161.5MB. Free memory was 129.4MB in the beginning and 115.0MB in the end (delta: 14.4MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-11-09 04:37:44,886 INFO L158 Benchmark]: TraceAbstraction took 1997.72ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 115.0MB in the beginning and 79.9MB in the end (delta: 35.1MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2024-11-09 04:37:44,887 INFO L158 Benchmark]: Witness Printer took 7.43ms. Allocated memory is still 211.8MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:37:44,890 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.57ms. Allocated memory is still 127.9MB. Free memory was 84.2MB in the beginning and 67.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.72ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 67.6MB in the beginning and 132.0MB in the end (delta: -64.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.89ms. Allocated memory is still 161.5MB. Free memory was 131.9MB in the beginning and 130.4MB in the end (delta: 1.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1653.28ms. Allocated memory is still 161.5MB. Free memory was 129.4MB in the beginning and 115.0MB in the end (delta: 14.4MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1997.72ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 115.0MB in the beginning and 79.9MB in the end (delta: 35.1MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. * Witness Printer took 7.43ms. Allocated memory is still 211.8MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25-L27] double double_Array_0[2][2] = { {2.5, 64.25}, {31.2, 9999.6} }; [L28-L30] float float_Array_0[7] = { 10.5, 4.4, 64.8, 5.8, 32.902, 8.6, 999.375 }; [L31-L33] signed long int signed_long_int_Array_0[2] = { 10, 1 }; [L34-L36] unsigned char unsigned_char_Array_0[1] = { 2 }; [L37] float last_1_float_Array_0_5_ = 8.6; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] EXPR float_Array_0[5] [L95] last_1_float_Array_0_5_ = float_Array_0[5] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L67] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L70] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] double_Array_0[1][0] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[1][0] [L74] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F [L74] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) [L74] EXPR double_Array_0[1][0] [L74] EXPR double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F [L74] EXPR double_Array_0[1][0] [L74] EXPR double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F [L74] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] CALL assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] double_Array_0[0][1] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[0][1] [L76] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L76] EXPR double_Array_0[0][1] [L76] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L76] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] CALL assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] float_Array_0[0] = __VERIFIER_nondet_float() [L78] EXPR float_Array_0[0] [L78] EXPR float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F [L78] EXPR float_Array_0[0] [L78] EXPR float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F [L78] EXPR (float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 2305843.009213691390e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] CALL assume_abort_if_not((float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 2305843.009213691390e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 2305843.009213691390e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] float_Array_0[1] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[1] [L80] EXPR float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F [L80] EXPR float_Array_0[1] [L80] EXPR float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F [L80] EXPR (float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 1152921.504606845700e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 1152921.504606845700e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 1152921.504606845700e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] float_Array_0[2] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[2] [L82] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L82] EXPR float_Array_0[2] [L82] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L82] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] CALL assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] float_Array_0[4] = __VERIFIER_nondet_float() [L84] EXPR float_Array_0[4] [L84] EXPR float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F [L84] EXPR (float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F ) [L84] EXPR float_Array_0[4] [L84] EXPR float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F [L84] EXPR float_Array_0[4] [L84] EXPR float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F [L84] EXPR (float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] CALL assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] float_Array_0[6] = __VERIFIER_nondet_float() [L86] EXPR float_Array_0[6] [L86] EXPR float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F [L86] EXPR (float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F) || (float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F ) [L86] EXPR float_Array_0[6] [L86] EXPR float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F [L86] EXPR float_Array_0[6] [L86] EXPR float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F [L86] EXPR (float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F) || (float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] CALL assume_abort_if_not((float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F) || (float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F) || (float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L88] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L91] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L106] RET updateVariables() [L107] CALL step() [L41] EXPR double_Array_0[0][1] [L41] EXPR double_Array_0[1][0] [L41] double_Array_0[1][1] = (double_Array_0[0][1] - double_Array_0[1][0]) [L42] EXPR unsigned_char_Array_0[0] [L42] EXPR signed_long_int_Array_0[0] [L42] COND FALSE !((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) [L51] EXPR BOOL_unsigned_char_Array_0[0] [L51] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[0]; [L52] EXPR BOOL_unsigned_char_Array_0[1] [L52] COND TRUE BOOL_unsigned_char_Array_0[1] && stepLocal_0 [L53] EXPR float_Array_0[2] [L53] EXPR float_Array_0[4] [L53] EXPR float_Array_0[0] [L53] EXPR float_Array_0[1] [L53] EXPR float_Array_0[6] [L53] float_Array_0[3] = ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))) [L55] double_Array_0[0][0] = 500.25 [L56] EXPR double_Array_0[0][1] [L56] COND FALSE !(double_Array_0[0][1] > last_1_float_Array_0_5_) [L63] EXPR float_Array_0[0] [L63] float_Array_0[5] = float_Array_0[0] [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR double_Array_0[1][1] [L98] EXPR double_Array_0[0][1] [L98] EXPR double_Array_0[1][0] [L98] EXPR (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1) [L98] EXPR ((double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1)) && ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (float_Array_0[3] == ((float) ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))))) : 1) [L98] EXPR (((double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1)) && ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (float_Array_0[3] == ((float) ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))))) : 1)) && (double_Array_0[0][0] == ((double) 500.25)) [L98] EXPR ((((double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1)) && ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (float_Array_0[3] == ((float) ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))))) : 1)) && (double_Array_0[0][0] == ((double) 500.25))) && ((double_Array_0[0][1] > last_1_float_Array_0_5_) ? (BOOL_unsigned_char_Array_0[0] ? ((double_Array_0[1][0] <= ((((last_1_float_Array_0_5_) < (float_Array_0[4])) ? (last_1_float_Array_0_5_) : (float_Array_0[4])))) ? (float_Array_0[5] == ((float) (float_Array_0[6] + float_Array_0[4]))) : 1) : 1) : (float_Array_0[5] == ((float) float_Array_0[0]))) [L98-L99] return ((((double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1)) && ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (float_Array_0[3] == ((float) ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))))) : 1)) && (double_Array_0[0][0] == ((double) 500.25))) && ((double_Array_0[0][1] > last_1_float_Array_0_5_) ? (BOOL_unsigned_char_Array_0[0] ? ((double_Array_0[1][0] <= ((((last_1_float_Array_0_5_) < (float_Array_0[4])) ? (last_1_float_Array_0_5_) : (float_Array_0[4])))) ? (float_Array_0[5] == ((float) (float_Array_0[6] + float_Array_0[4]))) : 1) : 1) : (float_Array_0[5] == ((float) float_Array_0[0]))) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, 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=39occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:37:44,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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_59dfee70-e033-4cce-8c1c-87fcbe708066/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 46705387b09ad994e1a51666adbfb1b9ed7a0344d3fcdf3b9d51cd3cb2baf1b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:37:47,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:37:48,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:37:48,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:37:48,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:37:48,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:37:48,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:37:48,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:37:48,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:37:48,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:37:48,181 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:37:48,181 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:37:48,182 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:37:48,182 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:37:48,182 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:37:48,183 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:37:48,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:37:48,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:37:48,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:37:48,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:37:48,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:37:48,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:37:48,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:37:48,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:37:48,194 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:37:48,195 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:37:48,195 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:37:48,195 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:37:48,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:37:48,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:37:48,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:37:48,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:37:48,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:37:48,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:37:48,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:37:48,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:37:48,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:37:48,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:37:48,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:37:48,202 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:37:48,203 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:37:48,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:37:48,204 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:37:48,204 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_59dfee70-e033-4cce-8c1c-87fcbe708066/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46705387b09ad994e1a51666adbfb1b9ed7a0344d3fcdf3b9d51cd3cb2baf1b7 [2024-11-09 04:37:48,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:37:48,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:37:48,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:37:48,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:37:48,771 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:37:48,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i Unable to find full path for "g++" [2024-11-09 04:37:51,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:37:51,807 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:37:51,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i [2024-11-09 04:37:51,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/data/7b812fb8b/8095f91dca904844bb15178fd7f5d49e/FLAG21b7e4e76 [2024-11-09 04:37:51,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/data/7b812fb8b/8095f91dca904844bb15178fd7f5d49e [2024-11-09 04:37:51,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:37:51,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:37:51,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:37:51,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:37:51,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:37:51,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:37:51" (1/1) ... [2024-11-09 04:37:51,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f70adbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:51, skipping insertion in model container [2024-11-09 04:37:51,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:37:51" (1/1) ... [2024-11-09 04:37:51,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:37:52,125 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_59dfee70-e033-4cce-8c1c-87fcbe708066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i[916,929] [2024-11-09 04:37:52,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:37:52,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:37:52,325 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_59dfee70-e033-4cce-8c1c-87fcbe708066/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i[916,929] [2024-11-09 04:37:52,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:37:52,479 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:37:52,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52 WrapperNode [2024-11-09 04:37:52,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:37:52,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:37:52,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:37:52,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:37:52,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,648 INFO L138 Inliner]: procedures = 36, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 510 [2024-11-09 04:37:52,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:37:52,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:37:52,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:37:52,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:37:52,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:37:52,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:37:52,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:37:52,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:37:52,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (1/1) ... [2024-11-09 04:37:52,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:37:52,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:37:52,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:37:52,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:37:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:37:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 04:37:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 04:37:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 04:37:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:37:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 04:37:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 04:37:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 04:37:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 04:37:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 04:37:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 04:37:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:37:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:37:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:37:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:37:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 04:37:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 04:37:53,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:37:53,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:37:57,890 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-09 04:37:57,890 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:37:57,929 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:37:57,930 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:37:57,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:37:57 BoogieIcfgContainer [2024-11-09 04:37:57,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:37:57,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:37:57,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:37:57,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:37:57,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:37:51" (1/3) ... [2024-11-09 04:37:57,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13179639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:37:57, skipping insertion in model container [2024-11-09 04:37:57,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:37:52" (2/3) ... [2024-11-09 04:37:57,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13179639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:37:57, skipping insertion in model container [2024-11-09 04:37:57,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:37:57" (3/3) ... [2024-11-09 04:37:57,950 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-60.i [2024-11-09 04:37:57,970 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:37:57,970 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:37:58,055 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:37:58,067 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;@59df4c56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:37:58,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:37:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 101 states have (on average 1.4653465346534653) internal successors, (148), 102 states have internal predecessors, (148), 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 04:37:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 04:37:58,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:58,091 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:37:58,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:58,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:58,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1174992038, now seen corresponding path program 1 times [2024-11-09 04:37:58,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:37:58,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277986119] [2024-11-09 04:37:58,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:58,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:37:58,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:37:58,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:37:58,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 04:37:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:37:59,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:37:59,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:37:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-09 04:37:59,244 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:37:59,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:37:59,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277986119] [2024-11-09 04:37:59,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277986119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:37:59,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:37:59,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:37:59,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357235403] [2024-11-09 04:37:59,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:37:59,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:37:59,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:37:59,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:37:59,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:37:59,299 INFO L87 Difference]: Start difference. First operand has 119 states, 101 states have (on average 1.4653465346534653) internal successors, (148), 102 states have internal predecessors, (148), 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 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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 04:37:59,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:37:59,350 INFO L93 Difference]: Finished difference Result 231 states and 365 transitions. [2024-11-09 04:37:59,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:37:59,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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 134 [2024-11-09 04:37:59,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:37:59,371 INFO L225 Difference]: With dead ends: 231 [2024-11-09 04:37:59,371 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 04:37:59,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:37:59,382 INFO L432 NwaCegarLoop]: 171 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, 171 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:37:59,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:37:59,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 04:37:59,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-09 04:37:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 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 04:37:59,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2024-11-09 04:37:59,442 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 134 [2024-11-09 04:37:59,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:37:59,444 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2024-11-09 04:37:59,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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 04:37:59,445 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2024-11-09 04:37:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 04:37:59,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:37:59,452 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:37:59,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 04:37:59,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:37:59,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:37:59,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:37:59,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1085767588, now seen corresponding path program 1 times [2024-11-09 04:37:59,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:37:59,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388601614] [2024-11-09 04:37:59,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:37:59,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:37:59,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:37:59,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:37:59,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 04:38:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:00,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:38:00,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-09 04:38:00,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:00,773 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:00,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388601614] [2024-11-09 04:38:00,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388601614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:00,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:00,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:38:00,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044470631] [2024-11-09 04:38:00,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:00,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:38:00,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:00,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:38:00,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:38:00,781 INFO L87 Difference]: Start difference. First operand 115 states and 171 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 04:38:01,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:01,242 INFO L93 Difference]: Finished difference Result 229 states and 342 transitions. [2024-11-09 04:38:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:38:01,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 134 [2024-11-09 04:38:01,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:01,259 INFO L225 Difference]: With dead ends: 229 [2024-11-09 04:38:01,260 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 04:38:01,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:38:01,262 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:01,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 04:38:01,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 04:38:01,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-09 04:38:01,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 100 states have (on average 1.43) internal successors, (143), 100 states have internal predecessors, (143), 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 04:38:01,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 173 transitions. [2024-11-09 04:38:01,295 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 173 transitions. Word has length 134 [2024-11-09 04:38:01,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:01,301 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 173 transitions. [2024-11-09 04:38:01,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 04:38:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2024-11-09 04:38:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 04:38:01,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:01,310 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:38:01,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 04:38:01,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:01,512 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:01,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:01,512 INFO L85 PathProgramCache]: Analyzing trace with hash 883943654, now seen corresponding path program 1 times [2024-11-09 04:38:01,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:01,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705653358] [2024-11-09 04:38:01,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:01,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:01,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:01,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:38:01,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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)] Waiting until timeout for monitored process [2024-11-09 04:38:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:02,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:38:02,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 04:38:02,758 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:02,758 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:02,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705653358] [2024-11-09 04:38:02,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705653358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:02,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:02,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:38:02,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516085296] [2024-11-09 04:38:02,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:02,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:38:02,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:02,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:38:02,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:38:02,766 INFO L87 Difference]: Start difference. First operand 117 states and 173 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:38:03,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:03,292 INFO L93 Difference]: Finished difference Result 236 states and 350 transitions. [2024-11-09 04:38:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:38:03,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-11-09 04:38:03,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:03,303 INFO L225 Difference]: With dead ends: 236 [2024-11-09 04:38:03,303 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 04:38:03,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:38:03,305 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:03,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 649 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 04:38:03,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 04:38:03,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-09 04:38:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.4134615384615385) internal successors, (147), 104 states have internal predecessors, (147), 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 04:38:03,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-11-09 04:38:03,336 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 134 [2024-11-09 04:38:03,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:03,337 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-11-09 04:38:03,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 04:38:03,338 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-11-09 04:38:03,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 04:38:03,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:03,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:38:03,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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)] Forceful destruction successful, exit code 0 [2024-11-09 04:38:03,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:03,546 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:03,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:03,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1636016280, now seen corresponding path program 1 times [2024-11-09 04:38:03,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:03,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126581955] [2024-11-09 04:38:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:03,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:03,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:03,552 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:38:03,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 04:38:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:04,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:38:04,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:04,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:38:04,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-09 04:38:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-09 04:38:05,079 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:05,079 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:05,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126581955] [2024-11-09 04:38:05,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126581955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:05,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:05,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:38:05,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608846392] [2024-11-09 04:38:05,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:05,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:38:05,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:05,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:38:05,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:38:05,087 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 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 04:38:08,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:12,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:14,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:15,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:15,539 INFO L93 Difference]: Finished difference Result 240 states and 352 transitions. [2024-11-09 04:38:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:38:15,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 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 134 [2024-11-09 04:38:15,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:15,548 INFO L225 Difference]: With dead ends: 240 [2024-11-09 04:38:15,548 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 04:38:15,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:38:15,550 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 151 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:15,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 450 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 3 Unknown, 0 Unchecked, 10.3s Time] [2024-11-09 04:38:15,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 04:38:15,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-09 04:38:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 104 states have internal predecessors, (146), 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 04:38:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 176 transitions. [2024-11-09 04:38:15,564 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 176 transitions. Word has length 134 [2024-11-09 04:38:15,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:15,565 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 176 transitions. [2024-11-09 04:38:15,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 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 04:38:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2024-11-09 04:38:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 04:38:15,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:15,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:38:15,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-09 04:38:15,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:15,769 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:15,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:15,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1212646862, now seen corresponding path program 1 times [2024-11-09 04:38:15,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:15,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116350952] [2024-11-09 04:38:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:15,771 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:15,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:15,772 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:38:15,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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 04:38:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:16,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:38:16,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:17,079 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:38:17,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-09 04:38:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 04:38:17,144 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:17,144 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:17,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116350952] [2024-11-09 04:38:17,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116350952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:17,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:17,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:38:17,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736058175] [2024-11-09 04:38:17,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:17,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:38:17,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:17,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:38:17,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:38:17,147 INFO L87 Difference]: Start difference. First operand 121 states and 176 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 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 04:38:20,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:23,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:25,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:25,333 INFO L93 Difference]: Finished difference Result 240 states and 350 transitions. [2024-11-09 04:38:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:38:25,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 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 136 [2024-11-09 04:38:25,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:25,341 INFO L225 Difference]: With dead ends: 240 [2024-11-09 04:38:25,342 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 04:38:25,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:38:25,344 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 141 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:25,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 446 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2024-11-09 04:38:25,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 04:38:25,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-09 04:38:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 104 states have internal predecessors, (145), 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 04:38:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 175 transitions. [2024-11-09 04:38:25,356 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 175 transitions. Word has length 136 [2024-11-09 04:38:25,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:25,356 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 175 transitions. [2024-11-09 04:38:25,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 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 04:38:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 175 transitions. [2024-11-09 04:38:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 04:38:25,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:25,360 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:38:25,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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)] Ended with exit code 0 [2024-11-09 04:38:25,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:25,561 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:25,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash -218820952, now seen corresponding path program 1 times [2024-11-09 04:38:25,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:25,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176113835] [2024-11-09 04:38:25,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:25,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:25,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:25,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:38:25,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 04:38:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:26,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:38:26,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:26,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-09 04:38:26,952 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-09 04:38:26,952 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:26,952 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:26,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [176113835] [2024-11-09 04:38:26,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [176113835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:26,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:26,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:38:26,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895940011] [2024-11-09 04:38:26,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:26,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:38:26,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:26,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:38:26,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:38:26,955 INFO L87 Difference]: Start difference. First operand 121 states and 175 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 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 04:38:29,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:32,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:33,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:33,244 INFO L93 Difference]: Finished difference Result 240 states and 348 transitions. [2024-11-09 04:38:33,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:38:33,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 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 138 [2024-11-09 04:38:33,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:33,254 INFO L225 Difference]: With dead ends: 240 [2024-11-09 04:38:33,254 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 04:38:33,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:38:33,256 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 120 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:33,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 439 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-09 04:38:33,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 04:38:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-09 04:38:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.3846153846153846) internal successors, (144), 104 states have internal predecessors, (144), 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 04:38:33,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 174 transitions. [2024-11-09 04:38:33,267 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 174 transitions. Word has length 138 [2024-11-09 04:38:33,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:33,268 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 174 transitions. [2024-11-09 04:38:33,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 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 04:38:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 174 transitions. [2024-11-09 04:38:33,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 04:38:33,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:33,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:38:33,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-09 04:38:33,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:33,472 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:33,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:33,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1226950386, now seen corresponding path program 1 times [2024-11-09 04:38:33,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:33,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805797478] [2024-11-09 04:38:33,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:33,474 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:33,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:33,476 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:38:33,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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 (8)] Waiting until timeout for monitored process [2024-11-09 04:38:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:34,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:38:34,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:34,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-09 04:38:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-09 04:38:34,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:38:34,916 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:34,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805797478] [2024-11-09 04:38:34,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805797478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:38:34,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:38:34,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:38:34,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882754987] [2024-11-09 04:38:34,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:38:34,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:38:34,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:34,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:38:34,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:38:34,920 INFO L87 Difference]: Start difference. First operand 121 states and 174 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 04:38:38,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:41,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:43,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:38:43,078 INFO L93 Difference]: Finished difference Result 239 states and 345 transitions. [2024-11-09 04:38:43,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:38:43,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 140 [2024-11-09 04:38:43,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:38:43,089 INFO L225 Difference]: With dead ends: 239 [2024-11-09 04:38:43,090 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 04:38:43,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:38:43,092 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 112 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:38:43,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 437 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2024-11-09 04:38:43,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 04:38:43,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-11-09 04:38:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 102 states have internal predecessors, (141), 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 04:38:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-11-09 04:38:43,104 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 140 [2024-11-09 04:38:43,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:38:43,105 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-11-09 04:38:43,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 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 04:38:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-09 04:38:43,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 04:38:43,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:38:43,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:38:43,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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 (8)] Ended with exit code 0 [2024-11-09 04:38:43,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:43,310 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:38:43,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:38:43,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1931828518, now seen corresponding path program 1 times [2024-11-09 04:38:43,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:38:43,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314402769] [2024-11-09 04:38:43,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:43,311 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:38:43,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:38:43,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:38:43,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 04:38:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:44,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 04:38:44,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:44,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2024-11-09 04:38:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 200 proven. 36 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-09 04:38:44,899 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:38:45,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2024-11-09 04:38:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-09 04:38:45,484 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:38:45,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314402769] [2024-11-09 04:38:45,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314402769] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:38:45,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [425128315] [2024-11-09 04:38:45,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:45,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:38:45,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:38:45,490 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:38:45,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 04:38:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:49,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 04:38:49,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:49,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 51 [2024-11-09 04:38:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 200 proven. 36 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-09 04:38:49,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:38:50,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 34 [2024-11-09 04:38:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-09 04:38:50,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [425128315] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:38:50,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090787290] [2024-11-09 04:38:50,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:38:50,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:38:50,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:38:50,599 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:38:50,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 04:38:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:38:51,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 04:38:51,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:38:51,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2024-11-09 04:38:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 200 proven. 36 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-09 04:38:51,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:38:51,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2024-11-09 04:38:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-09 04:38:51,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090787290] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:38:51,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 04:38:51,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10, 9, 9, 8] total 16 [2024-11-09 04:38:51,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684138746] [2024-11-09 04:38:51,963 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 04:38:51,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 04:38:51,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:38:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 04:38:51,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-09 04:38:51,966 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. Second operand has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 4 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-09 04:38:57,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:38:58,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:04,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:39:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:39:05,739 INFO L93 Difference]: Finished difference Result 249 states and 355 transitions. [2024-11-09 04:39:05,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 04:39:05,747 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 4 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 142 [2024-11-09 04:39:05,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:39:05,748 INFO L225 Difference]: With dead ends: 249 [2024-11-09 04:39:05,749 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 04:39:05,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 831 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=150, Invalid=552, Unknown=0, NotChecked=0, Total=702 [2024-11-09 04:39:05,750 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 119 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:39:05,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 829 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 867 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2024-11-09 04:39:05,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 04:39:05,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-11-09 04:39:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 04:39:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 169 transitions. [2024-11-09 04:39:05,760 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 169 transitions. Word has length 142 [2024-11-09 04:39:05,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:39:05,761 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 169 transitions. [2024-11-09 04:39:05,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 4 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-09 04:39:05,761 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 169 transitions. [2024-11-09 04:39:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 04:39:05,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:39:05,763 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:39:05,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 04:39:05,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-09 04:39:06,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 04:39:06,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:39:06,365 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:39:06,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:39:06,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1252556264, now seen corresponding path program 1 times [2024-11-09 04:39:06,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:39:06,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756811870] [2024-11-09 04:39:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:06,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:39:06,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:39:06,372 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:39:06,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/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 (12)] Waiting until timeout for monitored process [2024-11-09 04:48:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:35,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-09 04:48:35,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:48:35,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 23 [2024-11-09 04:48:37,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:48:40,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 77 [2024-11-09 04:48:46,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-09 04:48:48,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-09 04:48:51,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-09 04:48:53,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-09 04:48:55,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-09 04:48:57,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-09 04:49:00,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-09 04:49:04,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:49:04,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 369 treesize of output 177 [2024-11-09 04:49:17,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 332 treesize of output 267 [2024-11-09 04:49:19,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 350 treesize of output 192 [2024-11-09 04:49:29,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 392 treesize of output 315 [2024-11-09 04:49:47,131 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification. DAG size of input: 85 DAG size of output: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 04:49:47,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 04:49:47,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 651 treesize of output 231 [2024-11-09 04:49:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 126 proven. 222 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 04:49:55,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:50:50,912 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (.cse6 (select |c_#memory_int| |c_~#double_Array_0~0.base|)) (.cse4 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|))) (or (forall ((v_ArrVal_389 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_387 (_ BitVec 32)) (v_ArrVal_386 (_ BitVec 32))) (let ((.cse1 (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| (store (store .cse6 |c_~#double_Array_0~0.offset| v_ArrVal_386) (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|) v_ArrVal_387)) |c_~#float_Array_0~0.base| v_ArrVal_389) |c_~#double_Array_0~0.base|))) (fp.eq (let ((.cse0 (concat (select .cse1 (bvadd (_ bv28 32) |c_~#double_Array_0~0.offset|)) (select .cse1 (bvadd (_ bv24 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse2 (concat (select .cse1 .cse3) (select .cse1 .cse4)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) (let ((.cse5 (concat (select .cse1 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (select .cse1 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))))) (fp.gt (let ((.cse7 (concat (select .cse6 .cse3) (select .cse6 .cse4)))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))) ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_float_Array_0_5_~0)))) is different from false [2024-11-09 04:50:54,849 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_389 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_385 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_387 (_ BitVec 32)) (v_ArrVal_386 (_ BitVec 32))) (let ((.cse2 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (.cse3 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|)) (.cse1 (select (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_385) |c_~#double_Array_0~0.base|))) (or (fp.gt (let ((.cse0 (concat (select .cse1 .cse2) (select .cse1 .cse3)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_float_Array_0_5_~0)) (let ((.cse5 (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| (store (store .cse1 |c_~#double_Array_0~0.offset| v_ArrVal_386) (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|) v_ArrVal_387)) |c_~#float_Array_0~0.base| v_ArrVal_389) |c_~#double_Array_0~0.base|))) (fp.eq (let ((.cse4 (concat (select .cse5 (bvadd (_ bv28 32) |c_~#double_Array_0~0.offset|)) (select .cse5 (bvadd (_ bv24 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (fp.sub c_currentRoundingMode (let ((.cse6 (concat (select .cse5 .cse2) (select .cse5 .cse3)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))) (let ((.cse7 (concat (select .cse5 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (select .cse5 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))))))))) is different from false [2024-11-09 04:51:08,143 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_389 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_168| (_ BitVec 64)) (v_ArrVal_385 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_387 (_ BitVec 32)) (v_ArrVal_386 (_ BitVec 32))) (let ((.cse12 (select |c_#memory_int| |c_~#double_Array_0~0.base|)) (.cse3 (bvadd (_ bv24 32) |c_~#double_Array_0~0.offset|)) (.cse2 (bvadd (_ bv28 32) |c_~#double_Array_0~0.offset|))) (let ((.cse8 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (.cse9 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|)) (.cse5 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (.cse10 (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| (store (store .cse12 .cse3 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_168|)) .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_168|))) |c_~#float_Array_0~0.base| v_ArrVal_385) |c_~#double_Array_0~0.base|)) (.cse6 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|))) (or (let ((.cse1 (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| (store (store .cse10 |c_~#double_Array_0~0.offset| v_ArrVal_386) (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|) v_ArrVal_387)) |c_~#float_Array_0~0.base| v_ArrVal_389) |c_~#double_Array_0~0.base|))) (fp.eq (let ((.cse0 (concat (select .cse1 .cse2) (select .cse1 .cse3)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse4 (concat (select .cse1 .cse5) (select .cse1 .cse6)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (let ((.cse7 (concat (select .cse1 .cse8) (select .cse1 .cse9)))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_168|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_168|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_168|)) (fp.sub c_currentRoundingMode (let ((.cse11 (concat (select .cse12 .cse5) (select .cse12 .cse6)))) (fp ((_ extract 63 63) .cse11) ((_ extract 62 52) .cse11) ((_ extract 51 0) .cse11))) (let ((.cse13 (concat (select .cse12 .cse8) (select .cse12 .cse9)))) (fp ((_ extract 63 63) .cse13) ((_ extract 62 52) .cse13) ((_ extract 51 0) .cse13)))))) (fp.gt (let ((.cse14 (concat (select .cse10 .cse5) (select .cse10 .cse6)))) (fp ((_ extract 63 63) .cse14) ((_ extract 62 52) .cse14) ((_ extract 51 0) .cse14))) ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_float_Array_0_5_~0)))))) is different from false [2024-11-09 04:51:20,899 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:51:20,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756811870] [2024-11-09 04:51:20,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756811870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:51:20,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1229159856] [2024-11-09 04:51:20,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:20,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:51:20,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:51:20,902 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:51:20,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59dfee70-e033-4cce-8c1c-87fcbe708066/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process