./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ --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 f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:17:22,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:17:22,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:17:22,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:17:22,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:17:22,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:17:22,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:17:22,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:17:22,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:17:22,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:17:22,246 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:17:22,247 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:17:22,247 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:17:22,248 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:17:22,248 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:17:22,249 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:17:22,249 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:17:22,250 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:17:22,250 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:17:22,251 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:17:22,251 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:17:22,254 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:17:22,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:17:22,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:17:22,255 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:17:22,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:17:22,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:17:22,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:17:22,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:17:22,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:17:22,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:17:22,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:17:22,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:17:22,259 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:17:22,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:17:22,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:17:22,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:22,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:17:22,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:17:22,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:17:22,265 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:17:22,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:17:22,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:17:22,266 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:17:22,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:17:22,266 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_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b [2023-11-19 05:17:22,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:17:22,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:17:22,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:17:22,564 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:17:22,564 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:17:22,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2023-11-19 05:17:25,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:17:25,909 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:17:25,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2023-11-19 05:17:25,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/data/fa3b02643/a2c30b08d7f944dd98d23fb8f5e31441/FLAGa15619667 [2023-11-19 05:17:25,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/data/fa3b02643/a2c30b08d7f944dd98d23fb8f5e31441 [2023-11-19 05:17:25,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:17:25,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:17:25,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:25,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:17:25,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:17:25,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:25" (1/1) ... [2023-11-19 05:17:25,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ab2b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:25, skipping insertion in model container [2023-11-19 05:17:25,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:25" (1/1) ... [2023-11-19 05:17:25,975 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:17:26,114 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2023-11-19 05:17:26,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:26,189 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:17:26,202 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2023-11-19 05:17:26,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:26,287 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:17:26,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26 WrapperNode [2023-11-19 05:17:26,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:26,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:26,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:17:26,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:17:26,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,374 INFO L138 Inliner]: procedures = 29, calls = 121, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 372 [2023-11-19 05:17:26,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:26,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:17:26,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:17:26,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:17:26,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:17:26,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:17:26,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:17:26,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:17:26,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (1/1) ... [2023-11-19 05:17:26,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:26,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:26,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:17:26,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:17:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:17:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:17:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:17:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:17:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:17:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:17:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:17:26,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:17:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:17:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:17:26,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:17:26,672 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:17:26,674 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:27,253 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:28,299 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:28,299 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:17:28,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:28 BoogieIcfgContainer [2023-11-19 05:17:28,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:28,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:28,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:28,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:28,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:17:25" (1/3) ... [2023-11-19 05:17:28,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de7b8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:28, skipping insertion in model container [2023-11-19 05:17:28,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:26" (2/3) ... [2023-11-19 05:17:28,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de7b8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:28, skipping insertion in model container [2023-11-19 05:17:28,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:28" (3/3) ... [2023-11-19 05:17:28,322 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-22.i [2023-11-19 05:17:28,340 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:28,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:28,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:28,401 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6844e8e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:28,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:17:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 05:17:28,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:28,414 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:28,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:28,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:28,419 INFO L85 PathProgramCache]: Analyzing trace with hash 505131933, now seen corresponding path program 1 times [2023-11-19 05:17:28,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:17:28,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126432484] [2023-11-19 05:17:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:28,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:17:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:17:30,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:17:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:17:31,449 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:17:31,452 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:17:31,454 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:17:31,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:17:31,461 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:17:31,469 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:17:31,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-19 05:17:31,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-19 05:17:31,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-19 05:17:31,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-19 05:17:31,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-19 05:17:31,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:17:31,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated [2023-11-19 05:17:31,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-19 05:17:31,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-19 05:17:31,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-19 05:17:31,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 05:17:31,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-19 05:17:31,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:17:31,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-19 05:17:31,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-19 05:17:31,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated [2023-11-19 05:17:31,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-19 05:17:31,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 05:17:31,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 05:17:31,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:17:31,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-19 05:17:31,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-19 05:17:31,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:17:31,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:17:31,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:17:31,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-19 05:17:31,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-19 05:17:31,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:17:31,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:17:31,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 05:17:31,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:17:31,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:17:31,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:17:31,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:17:31,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:17:31,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 05:17:31,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-19 05:17:31,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:17:31,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:17:31,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:17:31,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:17:31,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 05:17:31,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-19 05:17:31,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:17:31,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:17:31,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:17:31,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 05:17:31,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 05:17:31,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:17:31,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:17:31,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:17:31,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:17:31,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:17:31,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:17:31,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:17:31 BoogieIcfgContainer [2023-11-19 05:17:31,586 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:17:31,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:17:31,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:17:31,588 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:17:31,589 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:28" (3/4) ... [2023-11-19 05:17:31,594 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:17:31,595 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:17:31,597 INFO L158 Benchmark]: Toolchain (without parser) took 5656.87ms. Allocated memory was 157.3MB in the beginning and 327.2MB in the end (delta: 169.9MB). Free memory was 124.8MB in the beginning and 209.7MB in the end (delta: -84.9MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2023-11-19 05:17:31,597 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:17:31,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.53ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 110.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:17:31,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.10ms. Allocated memory is still 157.3MB. Free memory was 110.2MB in the beginning and 106.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:17:31,602 INFO L158 Benchmark]: Boogie Preprocessor took 63.75ms. Allocated memory is still 157.3MB. Free memory was 106.3MB in the beginning and 103.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:17:31,606 INFO L158 Benchmark]: RCFGBuilder took 1867.90ms. Allocated memory was 157.3MB in the beginning and 260.0MB in the end (delta: 102.8MB). Free memory was 103.3MB in the beginning and 210.5MB in the end (delta: -107.2MB). Peak memory consumption was 136.8MB. Max. memory is 16.1GB. [2023-11-19 05:17:31,608 INFO L158 Benchmark]: TraceAbstraction took 3274.08ms. Allocated memory was 260.0MB in the beginning and 327.2MB in the end (delta: 67.1MB). Free memory was 210.5MB in the beginning and 209.7MB in the end (delta: 794.0kB). Peak memory consumption was 136.1MB. Max. memory is 16.1GB. [2023-11-19 05:17:31,608 INFO L158 Benchmark]: Witness Printer took 7.50ms. Allocated memory is still 327.2MB. Free memory is still 209.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:17:31,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.53ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 110.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.10ms. Allocated memory is still 157.3MB. Free memory was 110.2MB in the beginning and 106.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.75ms. Allocated memory is still 157.3MB. Free memory was 106.3MB in the beginning and 103.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1867.90ms. Allocated memory was 157.3MB in the beginning and 260.0MB in the end (delta: 102.8MB). Free memory was 103.3MB in the beginning and 210.5MB in the end (delta: -107.2MB). Peak memory consumption was 136.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3274.08ms. Allocated memory was 260.0MB in the beginning and 327.2MB in the end (delta: 67.1MB). Free memory was 210.5MB in the beginning and 209.7MB in the end (delta: 794.0kB). Peak memory consumption was 136.1MB. Max. memory is 16.1GB. * Witness Printer took 7.50ms. Allocated memory is still 327.2MB. Free memory is still 209.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 92, overapproximation of bitwiseAnd at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] float float_Array_0[2][2] = { {64.2, 128.75}, {7.6, 5.9} }; [L28-L30] signed short int signed_short_int_Array_0[1] = { -5 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[2] = { 3135928546, 8 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 44772, 256 }; [L37] signed short int last_1_signed_short_int_Array_0_0_ = -5; [L38] unsigned long int last_1_unsigned_long_int_Array_0_1_ = 8; [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] CALL updateLastVariables() [L88] EXPR signed_short_int_Array_0[0] [L88] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L89] EXPR unsigned_long_int_Array_0[1] [L89] last_1_unsigned_long_int_Array_0_1_ = unsigned_long_int_Array_0[1] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L71] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] float_Array_0[0][0] = __VERIFIER_nondet_float() [L75] EXPR float_Array_0[0][0] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F [L75] EXPR float_Array_0[0][0] [L75] EXPR float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F [L75] EXPR (float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((float_Array_0[0][0] >= -230584.3009213691390e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 2305843.009213691390e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] float_Array_0[1][0] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[1][0] [L77] EXPR float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F [L77] EXPR float_Array_0[1][0] [L77] EXPR float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F [L77] EXPR (float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((float_Array_0[1][0] >= -115292.1504606845700e+13F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 1152921.504606845700e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] float_Array_0[0][1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[0][1] [L79] EXPR float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F [L79] EXPR float_Array_0[0][1] [L79] EXPR float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F [L79] EXPR (float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((float_Array_0[0][1] >= -461168.6018427382800e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L84] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L100] RET updateVariables() [L101] CALL step() [L42] signed long int stepLocal_0 = last_1_signed_short_int_Array_0_0_; [L43] BOOL_unsigned_char_Array_0[0] [L43] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L46] COND TRUE stepLocal_0 <= last_1_signed_short_int_Array_0_0_ [L47] EXPR unsigned_short_int_Array_0[0] [L47] EXPR ((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)) [L47] EXPR unsigned_short_int_Array_0[0] [L47] EXPR ((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)) [L47] unsigned_short_int_Array_0[1] = ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))) [L50] EXPR unsigned_short_int_Array_0[1] [L50] EXPR unsigned_short_int_Array_0[1] [L50] COND TRUE unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed_short_int_Array_0[0] = (unsigned_short_int_Array_0[1] + -16) [L57] EXPR unsigned_short_int_Array_0[1] [L57] EXPR unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_ [L57] COND TRUE last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_) [L58] EXPR unsigned_short_int_Array_0[0] [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) [L58] EXPR unsigned_long_int_Array_0[0] [L58] EXPR ((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)) [L58] EXPR unsigned_short_int_Array_0[0] [L58] EXPR ((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0]) [L58] EXPR ((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)) [L58] unsigned_long_int_Array_0[1] = ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))) [L66] EXPR signed_short_int_Array_0[0] [L66] EXPR unsigned_short_int_Array_0[1] [L66] COND TRUE signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1] [L67] EXPR float_Array_0[1][0] [L67] EXPR float_Array_0[0][0] [L67] EXPR float_Array_0[0][1] [L67] float_Array_0[1][1] = (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]) [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR (unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1) [L92] EXPR signed_short_int_Array_0[0] [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR (unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1) [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) [L92] EXPR BOOL_unsigned_char_Array_0[0] [L92] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1) [L92] EXPR (last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1 [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR unsigned_short_int_Array_0[0] [L92] EXPR ((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)) [L92] EXPR unsigned_short_int_Array_0[0] [L92] EXPR ((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)) [L92] EXPR (last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1 [L92] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1) [L92] EXPR ((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1)) [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) [L92] EXPR signed_short_int_Array_0[0] [L92] EXPR unsigned_short_int_Array_0[1] [L92] EXPR (signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1 [L92] EXPR float_Array_0[1][1] [L92] EXPR float_Array_0[1][0] [L92] EXPR float_Array_0[0][0] [L92] EXPR float_Array_0[0][1] [L92] EXPR (signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1 [L92] EXPR (((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1) [L92] EXPR ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) [L92-L93] return ((((unsigned_short_int_Array_0[1] == unsigned_short_int_Array_0[1]) ? (signed_short_int_Array_0[0] == ((signed short int) (unsigned_short_int_Array_0[1] + -16))) : (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[1])) : 1)) && (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : ((last_1_signed_short_int_Array_0_0_ <= last_1_signed_short_int_Array_0_0_) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) ((((last_1_unsigned_long_int_Array_0_1_) > ((unsigned_short_int_Array_0[0] - 8))) ? (last_1_unsigned_long_int_Array_0_1_) : ((unsigned_short_int_Array_0[0] - 8)))))) : 1))) && ((signed_short_int_Array_0[0] < unsigned_short_int_Array_0[1]) ? (float_Array_0[1][1] == ((float) (((10.25f + float_Array_0[1][0]) + float_Array_0[0][0]) + float_Array_0[0][1]))) : 1)) && ((last_1_unsigned_long_int_Array_0_1_ >= (unsigned_short_int_Array_0[1] & last_1_unsigned_long_int_Array_0_1_)) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) < ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_))) ? (((((((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) < (unsigned_short_int_Array_0[0])) ? (((((50u) < (last_1_unsigned_long_int_Array_0_1_)) ? (50u) : (last_1_unsigned_long_int_Array_0_1_)))) : (unsigned_short_int_Array_0[0])))) : ((unsigned_long_int_Array_0[0] - last_1_unsigned_long_int_Array_0_1_)))))) : ((5.7 < float_Array_0[0][0]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)) : (unsigned_long_int_Array_0[1] == ((unsigned long int) last_1_unsigned_long_int_Array_0_1_)))) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_signed_short_int_Array_0_0_=-5, last_1_unsigned_long_int_Array_0_1_=8, signed_short_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 9, 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=27occurred 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, 1.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:17:31,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ --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 f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:17:34,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:17:34,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:17:34,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:17:34,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:17:34,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:17:34,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:17:34,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:17:34,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:17:34,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:17:34,251 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:17:34,251 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:17:34,252 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:17:34,252 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:17:34,253 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:17:34,253 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:17:34,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:17:34,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:17:34,255 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:17:34,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:17:34,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:17:34,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:17:34,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:17:34,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:17:34,268 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:17:34,268 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:17:34,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:17:34,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:17:34,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:17:34,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:17:34,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:17:34,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:17:34,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:17:34,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:34,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:17:34,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:17:34,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:17:34,272 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:17:34,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:34,273 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:17:34,273 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:17:34,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:17:34,273 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f15b1832185bc6e5ed8ca3a7e02ddd56b37c4032577256d66dd546b8130db09b [2023-11-19 05:17:34,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:17:34,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:17:34,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:17:34,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:17:34,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:17:34,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2023-11-19 05:17:37,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:17:38,174 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:17:38,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i [2023-11-19 05:17:38,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/data/f09a74746/d26a7696f2af4beca71543d897becf5d/FLAG165be4e12 [2023-11-19 05:17:38,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/data/f09a74746/d26a7696f2af4beca71543d897becf5d [2023-11-19 05:17:38,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:17:38,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:17:38,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:38,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:17:38,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:17:38,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0aaf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38, skipping insertion in model container [2023-11-19 05:17:38,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:17:38,408 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2023-11-19 05:17:38,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:38,495 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:17:38,507 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-22.i[916,929] [2023-11-19 05:17:38,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:38,574 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:17:38,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38 WrapperNode [2023-11-19 05:17:38,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:38,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:38,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:17:38,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:17:38,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,642 INFO L138 Inliner]: procedures = 36, calls = 121, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 357 [2023-11-19 05:17:38,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:38,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:17:38,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:17:38,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:17:38,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:17:38,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:17:38,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:17:38,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:17:38,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (1/1) ... [2023-11-19 05:17:38,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:38,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:38,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:17:38,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:17:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:17:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:17:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:17:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:17:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:17:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:17:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:17:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:17:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:17:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:17:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:17:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:17:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:17:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:17:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:17:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:17:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:17:38,983 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:17:38,985 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:40,955 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:40,968 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:40,969 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:17:40,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:40 BoogieIcfgContainer [2023-11-19 05:17:40,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:40,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:40,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:40,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:40,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:17:38" (1/3) ... [2023-11-19 05:17:40,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120b932a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:40, skipping insertion in model container [2023-11-19 05:17:40,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:38" (2/3) ... [2023-11-19 05:17:40,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120b932a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:40, skipping insertion in model container [2023-11-19 05:17:40,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:40" (3/3) ... [2023-11-19 05:17:40,984 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-22.i [2023-11-19 05:17:41,000 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:41,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:41,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:41,076 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@633fbf6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:41,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:17:41,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 05:17:41,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:41,092 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:41,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:41,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:41,102 INFO L85 PathProgramCache]: Analyzing trace with hash 319776311, now seen corresponding path program 1 times [2023-11-19 05:17:41,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:41,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013117144] [2023-11-19 05:17:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:41,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:41,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:41,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:41,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:17:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:41,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:17:41,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:41,653 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 05:17:41,654 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:41,654 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:41,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013117144] [2023-11-19 05:17:41,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1013117144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:41,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:41,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:41,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361967304] [2023-11-19 05:17:41,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:41,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:17:41,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:41,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:17:41,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:41,695 INFO L87 Difference]: Start difference. First operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:17:41,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:41,728 INFO L93 Difference]: Finished difference Result 188 states and 286 transitions. [2023-11-19 05:17:41,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:17:41,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2023-11-19 05:17:41,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:41,739 INFO L225 Difference]: With dead ends: 188 [2023-11-19 05:17:41,739 INFO L226 Difference]: Without dead ends: 92 [2023-11-19 05:17:41,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:41,747 INFO L413 NwaCegarLoop]: 129 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, 129 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 [2023-11-19 05:17:41,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:17:41,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-19 05:17:41,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-19 05:17:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:17:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2023-11-19 05:17:41,795 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 89 [2023-11-19 05:17:41,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:41,796 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2023-11-19 05:17:41,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:17:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2023-11-19 05:17:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 05:17:41,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:41,802 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:41,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:42,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:42,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:42,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:42,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1115954811, now seen corresponding path program 1 times [2023-11-19 05:17:42,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:42,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619822989] [2023-11-19 05:17:42,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:42,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:42,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:42,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:42,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:17:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:42,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:17:42,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:42,497 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-19 05:17:42,497 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:42,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:42,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619822989] [2023-11-19 05:17:42,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [619822989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:42,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:42,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:17:42,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526264874] [2023-11-19 05:17:42,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:42,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:17:42,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:42,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:17:42,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:17:42,502 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:17:42,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:42,579 INFO L93 Difference]: Finished difference Result 187 states and 264 transitions. [2023-11-19 05:17:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:17:42,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2023-11-19 05:17:42,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:42,581 INFO L225 Difference]: With dead ends: 187 [2023-11-19 05:17:42,581 INFO L226 Difference]: Without dead ends: 98 [2023-11-19 05:17:42,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:17:42,584 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 10 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:42,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 375 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:17:42,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-19 05:17:42,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2023-11-19 05:17:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 05:17:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2023-11-19 05:17:42,598 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 131 transitions. Word has length 92 [2023-11-19 05:17:42,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:42,599 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 131 transitions. [2023-11-19 05:17:42,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:17:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2023-11-19 05:17:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 05:17:42,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:42,601 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:42,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:42,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:42,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:42,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:42,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1444908035, now seen corresponding path program 1 times [2023-11-19 05:17:42,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:42,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000488640] [2023-11-19 05:17:42,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:42,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:42,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:42,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:42,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:43,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 05:17:43,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:43,651 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 17 treesize of output 9 [2023-11-19 05:17:45,356 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 16 treesize of output 12 [2023-11-19 05:17:45,480 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 36 treesize of output 29 [2023-11-19 05:17:45,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2023-11-19 05:17:45,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2023-11-19 05:17:45,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 48 [2023-11-19 05:17:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:17:46,033 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:46,033 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:46,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000488640] [2023-11-19 05:17:46,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000488640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:46,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:46,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 05:17:46,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284383474] [2023-11-19 05:17:46,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:46,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:17:46,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:46,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:17:46,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:17:46,036 INFO L87 Difference]: Start difference. First operand 94 states and 131 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:17:52,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:52,401 INFO L93 Difference]: Finished difference Result 435 states and 602 transitions. [2023-11-19 05:17:52,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 05:17:52,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2023-11-19 05:17:52,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:52,406 INFO L225 Difference]: With dead ends: 435 [2023-11-19 05:17:52,406 INFO L226 Difference]: Without dead ends: 344 [2023-11-19 05:17:52,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-11-19 05:17:52,409 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 633 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:52,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 534 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-19 05:17:52,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-19 05:17:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 194. [2023-11-19 05:17:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 173 states have (on average 1.3641618497109826) internal successors, (236), 173 states have internal predecessors, (236), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:17:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 272 transitions. [2023-11-19 05:17:52,453 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 272 transitions. Word has length 92 [2023-11-19 05:17:52,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:52,456 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 272 transitions. [2023-11-19 05:17:52,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:17:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 272 transitions. [2023-11-19 05:17:52,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 05:17:52,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:52,467 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:52,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:52,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:52,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:52,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash 20350527, now seen corresponding path program 1 times [2023-11-19 05:17:52,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:52,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386647927] [2023-11-19 05:17:52,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:52,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:52,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:52,680 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:52,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:17:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:53,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:17:53,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:53,139 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 17 treesize of output 9 [2023-11-19 05:17:53,313 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 16 treesize of output 12 [2023-11-19 05:17:53,339 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 33 treesize of output 15 [2023-11-19 05:17:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:17:53,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:53,362 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:53,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386647927] [2023-11-19 05:17:53,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386647927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:53,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:53,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:17:53,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350087881] [2023-11-19 05:17:53,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:53,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:17:53,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:53,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:17:53,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:17:53,365 INFO L87 Difference]: Start difference. First operand 194 states and 272 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:17:56,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:56,238 INFO L93 Difference]: Finished difference Result 393 states and 551 transitions. [2023-11-19 05:17:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:17:56,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2023-11-19 05:17:56,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:56,241 INFO L225 Difference]: With dead ends: 393 [2023-11-19 05:17:56,241 INFO L226 Difference]: Without dead ends: 202 [2023-11-19 05:17:56,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:17:56,243 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 90 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:56,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 497 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-19 05:17:56,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2023-11-19 05:17:56,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 153. [2023-11-19 05:17:56,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 132 states have (on average 1.3409090909090908) internal successors, (177), 132 states have internal predecessors, (177), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:17:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 213 transitions. [2023-11-19 05:17:56,271 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 213 transitions. Word has length 93 [2023-11-19 05:17:56,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:56,272 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 213 transitions. [2023-11-19 05:17:56,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:17:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 213 transitions. [2023-11-19 05:17:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 05:17:56,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:56,274 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:56,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:56,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:56,476 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:56,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:56,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2059599653, now seen corresponding path program 1 times [2023-11-19 05:17:56,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:56,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256108550] [2023-11-19 05:17:56,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:56,478 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:56,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:56,479 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:56,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:56,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:17:56,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:17:56,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:56,928 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:56,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256108550] [2023-11-19 05:17:56,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256108550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:56,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:56,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:17:56,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114500064] [2023-11-19 05:17:56,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:56,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:17:56,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:56,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:17:56,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:56,936 INFO L87 Difference]: Start difference. First operand 153 states and 213 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:17:56,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:56,971 INFO L93 Difference]: Finished difference Result 244 states and 341 transitions. [2023-11-19 05:17:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:17:56,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2023-11-19 05:17:56,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:56,977 INFO L225 Difference]: With dead ends: 244 [2023-11-19 05:17:56,977 INFO L226 Difference]: Without dead ends: 153 [2023-11-19 05:17:56,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:56,980 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 24 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:56,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 223 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:17:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-19 05:17:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2023-11-19 05:17:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 132 states have (on average 1.3333333333333333) internal successors, (176), 132 states have internal predecessors, (176), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:17:57,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 212 transitions. [2023-11-19 05:17:57,016 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 212 transitions. Word has length 93 [2023-11-19 05:17:57,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:57,018 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 212 transitions. [2023-11-19 05:17:57,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:17:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 212 transitions. [2023-11-19 05:17:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 05:17:57,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:57,020 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:57,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:57,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:57,229 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:57,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:57,230 INFO L85 PathProgramCache]: Analyzing trace with hash 88970302, now seen corresponding path program 1 times [2023-11-19 05:17:57,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:57,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69136567] [2023-11-19 05:17:57,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:57,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:57,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:57,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:57,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 05:17:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:57,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 05:17:57,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:57,814 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 17 treesize of output 9 [2023-11-19 05:17:59,126 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 14 treesize of output 10 [2023-11-19 05:17:59,225 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 19 treesize of output 14 [2023-11-19 05:17:59,416 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 19 treesize of output 14 [2023-11-19 05:17:59,482 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 19 treesize of output 14 [2023-11-19 05:17:59,568 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 51 treesize of output 33 [2023-11-19 05:17:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:17:59,634 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:59,635 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:59,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69136567] [2023-11-19 05:17:59,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69136567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:59,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:59,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 05:17:59,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328204973] [2023-11-19 05:17:59,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:59,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 05:17:59,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 05:17:59,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:17:59,637 INFO L87 Difference]: Start difference. First operand 153 states and 212 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:18:05,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:18:05,275 INFO L93 Difference]: Finished difference Result 340 states and 469 transitions. [2023-11-19 05:18:05,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 05:18:05,276 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2023-11-19 05:18:05,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:18:05,278 INFO L225 Difference]: With dead ends: 340 [2023-11-19 05:18:05,278 INFO L226 Difference]: Without dead ends: 249 [2023-11-19 05:18:05,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2023-11-19 05:18:05,280 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 215 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:18:05,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 639 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-19 05:18:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-11-19 05:18:05,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 161. [2023-11-19 05:18:05,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 140 states have (on average 1.3357142857142856) internal successors, (187), 140 states have internal predecessors, (187), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:18:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 223 transitions. [2023-11-19 05:18:05,294 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 223 transitions. Word has length 94 [2023-11-19 05:18:05,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:18:05,294 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 223 transitions. [2023-11-19 05:18:05,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:18:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 223 transitions. [2023-11-19 05:18:05,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 05:18:05,296 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:05,296 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:05,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:05,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:18:05,506 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:05,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:05,506 INFO L85 PathProgramCache]: Analyzing trace with hash 981629577, now seen corresponding path program 1 times [2023-11-19 05:18:05,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:18:05,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720214742] [2023-11-19 05:18:05,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:05,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:18:05,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:18:05,508 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:18:05,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:05,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:18:05,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:05,867 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 21 treesize of output 9 [2023-11-19 05:18:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:18:05,895 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:18:05,896 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:18:05,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720214742] [2023-11-19 05:18:05,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720214742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:18:05,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:18:05,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:18:05,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792931898] [2023-11-19 05:18:05,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:18:05,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:18:05,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:18:05,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:18:05,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:18:05,898 INFO L87 Difference]: Start difference. First operand 161 states and 223 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:18:05,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:18:05,920 INFO L93 Difference]: Finished difference Result 254 states and 352 transitions. [2023-11-19 05:18:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:18:05,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2023-11-19 05:18:05,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:18:05,922 INFO L225 Difference]: With dead ends: 254 [2023-11-19 05:18:05,922 INFO L226 Difference]: Without dead ends: 155 [2023-11-19 05:18:05,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:18:05,924 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 32 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:18:05,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 212 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:18:05,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-19 05:18:05,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2023-11-19 05:18:05,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 134 states have (on average 1.3134328358208955) internal successors, (176), 134 states have internal predecessors, (176), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:18:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions. [2023-11-19 05:18:05,935 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 94 [2023-11-19 05:18:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:18:05,936 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions. [2023-11-19 05:18:05,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 05:18:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2023-11-19 05:18:05,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 05:18:05,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:05,938 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:05,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:18:06,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:18:06,147 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:06,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:06,147 INFO L85 PathProgramCache]: Analyzing trace with hash -186725034, now seen corresponding path program 1 times [2023-11-19 05:18:06,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:18:06,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083687469] [2023-11-19 05:18:06,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:06,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:18:06,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:18:06,150 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:18:06,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:06,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:18:06,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:06,834 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 18 treesize of output 10 [2023-11-19 05:18:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 05:18:06,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:18:07,176 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 23 treesize of output 15 [2023-11-19 05:18:07,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:18:07,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083687469] [2023-11-19 05:18:07,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083687469] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:18:07,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [9007310] [2023-11-19 05:18:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:07,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:18:07,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:18:07,253 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:18:07,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 05:18:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:08,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 05:18:08,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:08,356 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 18 treesize of output 10 [2023-11-19 05:18:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 05:18:08,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:18:08,514 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 23 treesize of output 15 [2023-11-19 05:18:08,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [9007310] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:18:08,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491483011] [2023-11-19 05:18:08,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:08,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:18:08,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:18:08,589 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:18:08,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 05:18:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:08,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:18:08,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:09,072 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 18 treesize of output 10 [2023-11-19 05:18:09,110 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 05:18:09,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:18:09,220 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 23 treesize of output 15 [2023-11-19 05:18:09,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491483011] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:18:09,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 05:18:09,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2023-11-19 05:18:09,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765247790] [2023-11-19 05:18:09,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 05:18:09,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:18:09,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:18:09,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:18:09,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2023-11-19 05:18:09,289 INFO L87 Difference]: Start difference. First operand 155 states and 212 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 05:18:11,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:18:11,625 INFO L93 Difference]: Finished difference Result 305 states and 414 transitions. [2023-11-19 05:18:11,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 05:18:11,626 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2023-11-19 05:18:11,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:18:11,628 INFO L225 Difference]: With dead ends: 305 [2023-11-19 05:18:11,628 INFO L226 Difference]: Without dead ends: 216 [2023-11-19 05:18:11,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 387 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2023-11-19 05:18:11,629 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 102 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:18:11,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 553 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 05:18:11,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-19 05:18:11,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 161. [2023-11-19 05:18:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 139 states have internal predecessors, (181), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 05:18:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 217 transitions. [2023-11-19 05:18:11,643 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 217 transitions. Word has length 95 [2023-11-19 05:18:11,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:18:11,644 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 217 transitions. [2023-11-19 05:18:11,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 05:18:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 217 transitions. [2023-11-19 05:18:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 05:18:11,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:18:11,646 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:18:11,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 05:18:11,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-19 05:18:12,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:18:12,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:18:12,257 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:18:12,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:18:12,258 INFO L85 PathProgramCache]: Analyzing trace with hash -320738540, now seen corresponding path program 1 times [2023-11-19 05:18:12,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:18:12,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386415319] [2023-11-19 05:18:12,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:12,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:18:12,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:18:12,260 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:18:12,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:18:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:12,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 05:18:12,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:12,803 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 9 treesize of output 3 [2023-11-19 05:18:13,353 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 [2023-11-19 05:18:13,692 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 16 treesize of output 11 [2023-11-19 05:18:14,081 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 16 treesize of output 11 [2023-11-19 05:18:14,149 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 16 treesize of output 11 [2023-11-19 05:18:14,252 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 15 treesize of output 7 [2023-11-19 05:18:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-19 05:18:14,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:18:14,553 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)) (.cse1 (bvult (_ bv50 32) c_~last_1_unsigned_long_int_Array_0_1_~0))) (and (or (forall ((v_ArrVal_235 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 (bvadd .cse0 (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_235) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) .cse1) (or (forall ((v_ArrVal_235 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (_ bv50 32) (bvadd .cse0 (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_235) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|)))) (not .cse1)))) is different from false [2023-11-19 05:18:14,607 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (bvneg c_~last_1_unsigned_long_int_Array_0_1_~0)) (.cse1 (bvult (_ bv50 32) c_~last_1_unsigned_long_int_Array_0_1_~0))) (and (or (forall ((v_ArrVal_234 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_235 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult (_ bv50 32) (bvadd (select (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_234) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_235) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|) .cse0))) (not .cse1)) (or (forall ((v_ArrVal_234 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_235 (Array (_ BitVec 32) (_ BitVec 32)))) (bvult c_~last_1_unsigned_long_int_Array_0_1_~0 (bvadd (select (select (store (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_234) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_235) |c_~#unsigned_long_int_Array_0~0.base|) |c_~#unsigned_long_int_Array_0~0.offset|) .cse0))) .cse1))) is different from false [2023-11-19 05:18:14,770 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:18:14,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386415319] [2023-11-19 05:18:14,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386415319] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:18:14,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [504846914] [2023-11-19 05:18:14,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:14,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:18:14,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:18:14,774 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:18:14,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-19 05:18:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:18:15,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 05:18:15,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:18:17,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 33 treesize of output 28 [2023-11-19 05:18:17,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:18:17,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 44 [2023-11-19 05:18:17,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2023-11-19 05:18:18,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2023-11-19 05:18:18,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:18:18,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 56 [2023-11-19 05:18:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 05:18:18,368 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:18:18,523 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_260 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_260))) (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (_ bv4294967280 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#unsigned_short_int_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#unsigned_short_int_Array_0~0.offset|))))))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#signed_short_int_Array_0~0.base|) |c_~#signed_short_int_Array_0~0.offset|)))))) is different from false [2023-11-19 05:18:18,824 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_260 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_259 (Array (_ BitVec 32) (_ BitVec 32))) (|~#signed_short_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (bvadd (_ bv2 32) |c_~#unsigned_short_int_Array_0~0.offset|))) (let ((.cse0 (store (store (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_short_int_Array_0~0.base|) |~#signed_short_int_Array_0~0.offset| ((_ sign_extend 16) ((_ extract 15 0) (bvadd (_ bv4294967280 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base|) .cse1)))))))) |c_~#unsigned_long_int_Array_0~0.base| v_ArrVal_259) |c_~#float_Array_0~0.base| v_ArrVal_260))) (= ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#signed_short_int_Array_0~0.base|) |~#signed_short_int_Array_0~0.offset|))) ((_ sign_extend 16) ((_ extract 15 0) (bvadd (_ bv4294967280 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#unsigned_short_int_Array_0~0.base|) .cse1)))))))))) is different from false [2023-11-19 05:18:18,881 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_260 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_259 (Array (_ BitVec 32) (_ BitVec 32))) (|~#signed_short_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (bvadd (_ bv2 32) |c_~#unsigned_short_int_Array_0~0.offset|))) (let ((.cse0 (store (store (let ((.cse3 ((_ sign_extend 16) ((_ extract 15 0) |c_ULTIMATE.start_step_#t~ite7#1|)))) (let ((.cse2 (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base|) .cse1 .cse3)))) (store .cse2 |c_~#signed_short_int_Array_0~0.base| (store (select .cse2 |c_~#signed_short_int_Array_0~0.base|) |~#signed_short_int_Array_0~0.offset| ((_ sign_extend 16) ((_ extract 15 0) (bvadd (_ bv4294967280 32) ((_ zero_extend 16) ((_ extract 15 0) .cse3))))))))) |c_~#unsigned_long_int_Array_0~0.base| v_ArrVal_259) |c_~#float_Array_0~0.base| v_ArrVal_260))) (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (_ bv4294967280 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#unsigned_short_int_Array_0~0.base|) .cse1)))))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#signed_short_int_Array_0~0.base|) |~#signed_short_int_Array_0~0.offset|))))))) is different from false [2023-11-19 05:18:18,981 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_260 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_259 (Array (_ BitVec 32) (_ BitVec 32))) (|~#signed_short_int_Array_0~0.offset| (_ BitVec 32))) (let ((.cse1 (bvadd (_ bv2 32) |c_~#unsigned_short_int_Array_0~0.offset|))) (let ((.cse0 (store (store (let ((.cse4 (select |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base|))) (let ((.cse3 ((_ sign_extend 16) ((_ extract 15 0) (bvadd ((_ zero_extend 16) ((_ extract 15 0) (select .cse4 |c_~#unsigned_short_int_Array_0~0.offset|))) (_ bv4294967288 32)))))) (let ((.cse2 (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| (store .cse4 .cse1 .cse3)))) (store .cse2 |c_~#signed_short_int_Array_0~0.base| (store (select .cse2 |c_~#signed_short_int_Array_0~0.base|) |~#signed_short_int_Array_0~0.offset| ((_ sign_extend 16) ((_ extract 15 0) (bvadd (_ bv4294967280 32) ((_ zero_extend 16) ((_ extract 15 0) .cse3)))))))))) |c_~#unsigned_long_int_Array_0~0.base| v_ArrVal_259) |c_~#float_Array_0~0.base| v_ArrVal_260))) (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (_ bv4294967280 32) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#unsigned_short_int_Array_0~0.base|) .cse1)))))) ((_ sign_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#signed_short_int_Array_0~0.base|) |~#signed_short_int_Array_0~0.offset|))))))) is different from false [2023-11-19 05:18:19,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [504846914] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:18:19,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561105702] [2023-11-19 05:18:19,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:18:19,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:18:19,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:18:19,097 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:18:19,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc4d592f-45dd-449e-88a9-4352ffe067d2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process