./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire --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 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:00,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:00,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:30:00,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:00,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:00,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:00,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:00,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:00,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:00,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:00,647 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:00,648 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:00,649 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:00,650 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:00,651 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:00,651 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:00,652 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:00,652 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:00,652 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:00,653 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:00,653 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:00,654 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:00,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:00,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:00,656 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:00,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:00,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:00,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:00,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:00,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:00,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:00,659 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:00,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:00,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:00,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:00,661 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:00,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:00,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:00,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:00,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:00,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:00,663 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:00,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:00,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:00,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:00,664 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:00,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:00,665 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_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b [2023-11-23 21:30:00,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:01,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:01,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:01,017 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:01,018 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:01,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-23 21:30:04,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:04,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:04,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-23 21:30:04,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/data/08ff54580/37c82d68836c4e6f8fff07c9f73edd89/FLAG3bc483ba3 [2023-11-23 21:30:04,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/data/08ff54580/37c82d68836c4e6f8fff07c9f73edd89 [2023-11-23 21:30:04,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:04,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:04,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:04,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:04,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:04,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:04" (1/1) ... [2023-11-23 21:30:04,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67aa0a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:04, skipping insertion in model container [2023-11-23 21:30:04,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:04" (1/1) ... [2023-11-23 21:30:04,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:04,809 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_5b9ec11c-6831-4084-94e4-f8de9377a4f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-23 21:30:04,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:04,956 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:04,975 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_5b9ec11c-6831-4084-94e4-f8de9377a4f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-23 21:30:05,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:05,088 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:05,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05 WrapperNode [2023-11-23 21:30:05,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:05,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:05,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:05,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:05,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,188 INFO L138 Inliner]: procedures = 29, calls = 150, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 420 [2023-11-23 21:30:05,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:05,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:05,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:05,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:05,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:05,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:05,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:05,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:05,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (1/1) ... [2023-11-23 21:30:05,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:05,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:05,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:05,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:30:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:30:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:30:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:30:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:30:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:30:05,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:30:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:30:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:05,590 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:05,593 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:06,316 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:06,998 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:06,998 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:07,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:07 BoogieIcfgContainer [2023-11-23 21:30:07,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:07,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:07,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:07,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:07,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:04" (1/3) ... [2023-11-23 21:30:07,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b44ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:07, skipping insertion in model container [2023-11-23 21:30:07,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:05" (2/3) ... [2023-11-23 21:30:07,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b44ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:07, skipping insertion in model container [2023-11-23 21:30:07,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:07" (3/3) ... [2023-11-23 21:30:07,010 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-23 21:30:07,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:07,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:07,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:07,100 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;@3079505e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:07,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:07,106 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) [2023-11-23 21:30:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 21:30:07,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:07,116 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] [2023-11-23 21:30:07,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:07,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:07,127 INFO L85 PathProgramCache]: Analyzing trace with hash 477236185, now seen corresponding path program 1 times [2023-11-23 21:30:07,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:07,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155762639] [2023-11-23 21:30:07,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:07,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:07,444 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:30:07,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636872648] [2023-11-23 21:30:07,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:07,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:30:07,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:07,450 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:30:07,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:30:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:09,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:30:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:10,192 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:30:10,196 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:30:10,197 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:30:10,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:10,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:30:10,413 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:30:10,417 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:30:10,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:30:10,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:30:10,499 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:30:10,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:30:10,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:30:10,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:30:10,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:30:10,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:30:10,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 21:30:10,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-23 21:30:10,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 21:30:10,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 21:30:10,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:30:10,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-23 21:30:10,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-23 21:30:10,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 21:30:10,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:30:10,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:30:10,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 21:30:10,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-23 21:30:10,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-23 21:30:10,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:30:10,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:30:10,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 21:30:10,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-23 21:30:10,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:30:10,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 21:30:10,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-23 21:30:10,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-23 21:30:10,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:30:10,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-23 21:30:10,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 21:30:10,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 21:30:10,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 21:30:10,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:30:10,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:30:10,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 21:30:10,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 21:30:10,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:30:10,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:30:10,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:30:10,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:30:10,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:30:10 BoogieIcfgContainer [2023-11-23 21:30:10,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:30:10,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:30:10,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:30:10,570 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:30:10,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:07" (3/4) ... [2023-11-23 21:30:10,572 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:30:10,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:30:10,575 INFO L158 Benchmark]: Toolchain (without parser) took 6058.01ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 110.2MB in the beginning and 135.3MB in the end (delta: -25.0MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:10,576 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory was 129.9MB in the beginning and 129.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:10,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.64ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 95.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:30:10,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.31ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 91.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:30:10,584 INFO L158 Benchmark]: Boogie Preprocessor took 104.61ms. Allocated memory is still 155.2MB. Free memory was 91.0MB in the beginning and 87.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:30:10,584 INFO L158 Benchmark]: RCFGBuilder took 1693.55ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 68.2MB in the end (delta: 19.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-23 21:30:10,585 INFO L158 Benchmark]: TraceAbstraction took 3566.18ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 67.3MB in the beginning and 136.3MB in the end (delta: -69.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:30:10,585 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 230.7MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:10,588 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 155.2MB. Free memory was 129.9MB in the beginning and 129.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.64ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 95.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.31ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 91.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.61ms. Allocated memory is still 155.2MB. Free memory was 91.0MB in the beginning and 87.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1693.55ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 68.2MB in the end (delta: 19.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3566.18ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 67.3MB in the beginning and 136.3MB in the end (delta: -69.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 230.7MB. Free memory is still 135.3MB. 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~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 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 66, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { -1, 1, 1.125, 199.5, 100000000000000.3, 64, 2, 50, -32, 8.75 }; [L47] signed short int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] signed short int* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L49] float* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L50] float* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L51] float* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L52] unsigned char* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L53] unsigned char* WrapperStruct00_var_1_16_Pointer = &(WrapperStruct00.var_1_16); [L54] unsigned long int* WrapperStruct00_var_1_17_Pointer = &(WrapperStruct00.var_1_17); [L55] signed long int* WrapperStruct00_var_1_19_Pointer = &(WrapperStruct00.var_1_19); [L56] float* WrapperStruct00_var_1_20_Pointer = &(WrapperStruct00.var_1_20); [L57] unsigned char last_1_WrapperStruct00_var_1_15 = 64; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] EXPR WrapperStruct00.var_1_15 [L93] last_1_WrapperStruct00_var_1_15 = WrapperStruct00.var_1_15 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L77] WrapperStruct00.var_1_4 = __VERIFIER_nondet_short() [L78] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L78] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L79] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L79] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 32766) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L80] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L81] EXPR WrapperStruct00.var_1_13 [L81] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L81] EXPR WrapperStruct00.var_1_13 [L81] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L81] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L81] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L82] WrapperStruct00.var_1_14 = __VERIFIER_nondet_float() [L83] EXPR WrapperStruct00.var_1_14 [L83] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L83] EXPR WrapperStruct00.var_1_14 [L83] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L83] EXPR (WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L83] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L84] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L85] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L86] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L87] WrapperStruct00.var_1_19 = __VERIFIER_nondet_long() [L88] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= -2147483648) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= -2147483648) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L89] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 2147483647) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L90] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_19 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_19 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L104] RET updateVariables() [L105] CALL step() [L61] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L61] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L61] (*(WrapperStruct00_var_1_12_Pointer)) = ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer))) [L62] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L62] COND TRUE (- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4)))) [L63] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L63] (*(WrapperStruct00_var_1_15_Pointer)) = (*(WrapperStruct00_var_1_16_Pointer)) [L65] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L65] (*(WrapperStruct00_var_1_20_Pointer)) = (*(WrapperStruct00_var_1_13_Pointer)) [L66] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L66] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L66] COND TRUE (*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer)) [L67] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L67] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L67] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L67] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L67] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L67] (*(WrapperStruct00_var_1_1_Pointer)) = (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))) [L71] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L71] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L71] signed long int stepLocal_0 = (*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer))); [L72] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L72] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L72] EXPR \read(*WrapperStruct00_var_1_19_Pointer) [L72] COND FALSE !(stepLocal_0 != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_20_Pointer) [L96] EXPR ((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))))))) [L96] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR ((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L96] EXPR (((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))) [L96] EXPR ((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) [L96] EXPR ((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))))))) [L96] EXPR (((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer))))) [L96] EXPR ((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1) [L96] EXPR (((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1)) && ((((*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned long int) (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))))) : 1) [L96] EXPR ((((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1)) && ((((*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned long int) (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))))) : 1)) && ((*(WrapperStruct00_var_1_20_Pointer)) == ((float) (*(WrapperStruct00_var_1_13_Pointer)))) [L96-L97] return ((((((*(WrapperStruct00_var_1_20_Pointer)) > (*(WrapperStruct00_var_1_20_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed short int) ((((((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) < (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))) ? (((*(WrapperStruct00_var_1_15_Pointer)) - (((((*(WrapperStruct00_var_1_15_Pointer))) > ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer))))))) : (((*(WrapperStruct00_var_1_15_Pointer)) + (((((*(WrapperStruct00_var_1_15_Pointer))) < ((*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_15_Pointer))) : ((*(WrapperStruct00_var_1_15_Pointer)))))))))))) && ((*(WrapperStruct00_var_1_12_Pointer)) == ((float) ((0.85f - (*(WrapperStruct00_var_1_13_Pointer))) + (*(WrapperStruct00_var_1_14_Pointer)))))) && (((- last_1_WrapperStruct00_var_1_15) >= ((*(WrapperStruct00_var_1_4_Pointer)) / ((((-4) < 0 ) ? -(-4) : (-4))))) ? ((*(WrapperStruct00_var_1_15_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_16_Pointer)))) : 1)) && ((((*(WrapperStruct00_var_1_15_Pointer)) + ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) != ((*(WrapperStruct00_var_1_15_Pointer)) * ((*(WrapperStruct00_var_1_1_Pointer)) / (*(WrapperStruct00_var_1_19_Pointer))))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned long int) (((((10u) < (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer))))) ? (10u) : (((*(WrapperStruct00_var_1_1_Pointer)) + (*(WrapperStruct00_var_1_15_Pointer)))))) + (*(WrapperStruct00_var_1_15_Pointer))))) : 1)) && ((*(WrapperStruct00_var_1_20_Pointer)) == ((float) (*(WrapperStruct00_var_1_13_Pointer)))) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_15=64] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_12_Pointer={4:4}, WrapperStruct00_var_1_13_Pointer={4:8}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_19_Pointer={4:22}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_20_Pointer={4:26}, WrapperStruct00_var_1_4_Pointer={4:2}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_15=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, 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: 0.1s SsaConstructionTime, 1.4s 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 [2023-11-23 21:30:10,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire --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 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:13,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:13,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:30:13,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:13,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:13,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:13,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:13,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:13,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:13,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:13,397 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:13,397 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:13,398 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:13,399 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:13,399 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:13,400 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:13,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:13,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:13,402 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:13,402 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:13,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:13,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:13,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:13,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:13,405 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:30:13,405 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:30:13,406 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:30:13,406 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:13,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:13,407 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:13,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:13,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:30:13,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:13,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:13,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:13,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:13,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:13,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:13,410 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:30:13,411 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:13,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:13,412 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:13,412 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:13,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:13,412 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_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3291167999bb7bd7f68091110884d1151ee296ff17c178c4f709963149d4b67b [2023-11-23 21:30:13,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:13,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:13,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:13,896 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:13,896 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:13,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-23 21:30:17,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:17,637 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:17,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-23 21:30:17,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/data/bc3d9571e/d8c634a123fe493db6d6b6f877b3b060/FLAG1fba692bf [2023-11-23 21:30:17,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/data/bc3d9571e/d8c634a123fe493db6d6b6f877b3b060 [2023-11-23 21:30:17,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:17,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:17,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:17,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:17,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:17,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:17" (1/1) ... [2023-11-23 21:30:17,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c3adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:17, skipping insertion in model container [2023-11-23 21:30:17,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:17" (1/1) ... [2023-11-23 21:30:17,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:17,937 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_5b9ec11c-6831-4084-94e4-f8de9377a4f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-23 21:30:18,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:18,035 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:18,051 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_5b9ec11c-6831-4084-94e4-f8de9377a4f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-26.i[917,930] [2023-11-23 21:30:18,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:18,122 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:18,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18 WrapperNode [2023-11-23 21:30:18,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:18,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:18,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:18,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:18,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,243 INFO L138 Inliner]: procedures = 36, calls = 150, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2023-11-23 21:30:18,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:18,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:18,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:18,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:18,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:18,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:18,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:18,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:18,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (1/1) ... [2023-11-23 21:30:18,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:18,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:18,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:18,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:30:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:30:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:30:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 21:30:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 21:30:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 21:30:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:30:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 21:30:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 21:30:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:30:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:30:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:30:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:30:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 21:30:18,723 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:18,727 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:20,140 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:20,187 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:20,187 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:30:20,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:20 BoogieIcfgContainer [2023-11-23 21:30:20,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:20,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:20,191 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:20,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:20,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:17" (1/3) ... [2023-11-23 21:30:20,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ce4dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:20, skipping insertion in model container [2023-11-23 21:30:20,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:18" (2/3) ... [2023-11-23 21:30:20,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ce4dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:20, skipping insertion in model container [2023-11-23 21:30:20,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:20" (3/3) ... [2023-11-23 21:30:20,205 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-26.i [2023-11-23 21:30:20,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:20,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:30:20,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:20,304 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;@236401aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:20,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:30:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 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) [2023-11-23 21:30:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 21:30:20,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:20,328 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] [2023-11-23 21:30:20,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:20,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:20,338 INFO L85 PathProgramCache]: Analyzing trace with hash -483601842, now seen corresponding path program 1 times [2023-11-23 21:30:20,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:20,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753624530] [2023-11-23 21:30:20,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:20,365 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 [2023-11-23 21:30:20,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:20,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:20,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:20,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:30:20,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:30:21,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:21,004 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:21,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753624530] [2023-11-23 21:30:21,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753624530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:21,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:21,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:30:21,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144679928] [2023-11-23 21:30:21,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:21,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:30:21,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:21,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:30:21,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:30:21,044 INFO L87 Difference]: Start difference. First operand has 86 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 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 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-11-23 21:30:21,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:21,433 INFO L93 Difference]: Finished difference Result 169 states and 261 transitions. [2023-11-23 21:30:21,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:30:21,437 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 84 [2023-11-23 21:30:21,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:21,447 INFO L225 Difference]: With dead ends: 169 [2023-11-23 21:30:21,448 INFO L226 Difference]: Without dead ends: 84 [2023-11-23 21:30:21,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:30:21,458 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:21,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:30:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-23 21:30:21,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-23 21:30:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 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) [2023-11-23 21:30:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 122 transitions. [2023-11-23 21:30:21,526 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 122 transitions. Word has length 84 [2023-11-23 21:30:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:21,526 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 122 transitions. [2023-11-23 21:30:21,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-11-23 21:30:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2023-11-23 21:30:21,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 21:30:21,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:21,539 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] [2023-11-23 21:30:21,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:21,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:21,750 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:21,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:21,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1312447424, now seen corresponding path program 1 times [2023-11-23 21:30:21,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:21,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494574139] [2023-11-23 21:30:21,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:21,752 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 [2023-11-23 21:30:21,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:21,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:21,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:22,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:30:22,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-23 21:30:22,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:22,355 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:22,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494574139] [2023-11-23 21:30:22,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494574139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:22,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:22,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:30:22,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217071716] [2023-11-23 21:30:22,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:22,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:30:22,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:22,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:30:22,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:30:22,365 INFO L87 Difference]: Start difference. First operand 84 states and 122 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2023-11-23 21:30:22,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:22,664 INFO L93 Difference]: Finished difference Result 173 states and 252 transitions. [2023-11-23 21:30:22,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:30:22,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 84 [2023-11-23 21:30:22,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:22,667 INFO L225 Difference]: With dead ends: 173 [2023-11-23 21:30:22,667 INFO L226 Difference]: Without dead ends: 90 [2023-11-23 21:30:22,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:30:22,669 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 10 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:22,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 346 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:30:22,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-23 21:30:22,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2023-11-23 21:30:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 75 states have internal predecessors, (106), 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) [2023-11-23 21:30:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 124 transitions. [2023-11-23 21:30:22,693 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 124 transitions. Word has length 84 [2023-11-23 21:30:22,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:22,695 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 124 transitions. [2023-11-23 21:30:22,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2023-11-23 21:30:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 124 transitions. [2023-11-23 21:30:22,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 21:30:22,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:22,698 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] [2023-11-23 21:30:22,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:22,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:22,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:22,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:22,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1074062082, now seen corresponding path program 1 times [2023-11-23 21:30:22,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:22,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281906290] [2023-11-23 21:30:22,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:22,911 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 [2023-11-23 21:30:22,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:22,918 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:22,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:23,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:30:23,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:23,423 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 [2023-11-23 21:30:23,474 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 21:30:23,474 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:23,475 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:23,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281906290] [2023-11-23 21:30:23,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281906290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:23,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:23,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:30:23,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051606742] [2023-11-23 21:30:23,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:23,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:30:23,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:23,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:30:23,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:23,485 INFO L87 Difference]: Start difference. First operand 86 states and 124 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2023-11-23 21:30:23,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:23,992 INFO L93 Difference]: Finished difference Result 171 states and 247 transitions. [2023-11-23 21:30:23,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:30:23,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 84 [2023-11-23 21:30:23,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:23,995 INFO L225 Difference]: With dead ends: 171 [2023-11-23 21:30:23,995 INFO L226 Difference]: Without dead ends: 86 [2023-11-23 21:30:23,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:30:23,998 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:23,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 229 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:30:24,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-23 21:30:24,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-23 21:30:24,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 75 states have (on average 1.4) internal successors, (105), 75 states have internal predecessors, (105), 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) [2023-11-23 21:30:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 123 transitions. [2023-11-23 21:30:24,010 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 123 transitions. Word has length 84 [2023-11-23 21:30:24,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:24,011 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 123 transitions. [2023-11-23 21:30:24,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2023-11-23 21:30:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-11-23 21:30:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 21:30:24,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:24,014 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] [2023-11-23 21:30:24,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:24,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:24,224 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:24,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:24,225 INFO L85 PathProgramCache]: Analyzing trace with hash -614881660, now seen corresponding path program 1 times [2023-11-23 21:30:24,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:24,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975805414] [2023-11-23 21:30:24,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:24,226 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 [2023-11-23 21:30:24,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:24,233 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:24,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:24,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:30:24,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 21:30:24,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:24,691 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:24,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975805414] [2023-11-23 21:30:24,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975805414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:24,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:24,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:30:24,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145828356] [2023-11-23 21:30:24,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:24,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:30:24,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:24,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:30:24,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:30:24,695 INFO L87 Difference]: Start difference. First operand 86 states and 123 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2023-11-23 21:30:25,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:25,306 INFO L93 Difference]: Finished difference Result 180 states and 257 transitions. [2023-11-23 21:30:25,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:30:25,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 84 [2023-11-23 21:30:25,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:25,309 INFO L225 Difference]: With dead ends: 180 [2023-11-23 21:30:25,309 INFO L226 Difference]: Without dead ends: 95 [2023-11-23 21:30:25,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:30:25,311 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 10 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:25,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 444 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 21:30:25,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-23 21:30:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2023-11-23 21:30:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 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) [2023-11-23 21:30:25,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2023-11-23 21:30:25,322 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 84 [2023-11-23 21:30:25,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:25,324 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2023-11-23 21:30:25,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2023-11-23 21:30:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2023-11-23 21:30:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 21:30:25,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:25,332 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] [2023-11-23 21:30:25,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:25,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:25,543 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:25,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:25,544 INFO L85 PathProgramCache]: Analyzing trace with hash -614822078, now seen corresponding path program 1 times [2023-11-23 21:30:25,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:25,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877649025] [2023-11-23 21:30:25,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:25,546 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 [2023-11-23 21:30:25,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:25,547 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:25,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:26,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:30:26,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:26,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-23 21:30:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-23 21:30:26,179 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:26,180 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:26,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877649025] [2023-11-23 21:30:26,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877649025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:26,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:26,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:30:26,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403196139] [2023-11-23 21:30:26,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:26,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:30:26,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:26,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:30:26,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:30:26,183 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) [2023-11-23 21:30:27,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:27,638 INFO L93 Difference]: Finished difference Result 183 states and 259 transitions. [2023-11-23 21:30:27,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:30:27,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 84 [2023-11-23 21:30:27,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:27,640 INFO L225 Difference]: With dead ends: 183 [2023-11-23 21:30:27,640 INFO L226 Difference]: Without dead ends: 94 [2023-11-23 21:30:27,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:30:27,642 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 129 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:27,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 346 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 21:30:27,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-23 21:30:27,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2023-11-23 21:30:27,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 77 states have internal predecessors, (106), 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) [2023-11-23 21:30:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 124 transitions. [2023-11-23 21:30:27,653 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 124 transitions. Word has length 84 [2023-11-23 21:30:27,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:27,653 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 124 transitions. [2023-11-23 21:30:27,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) [2023-11-23 21:30:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2023-11-23 21:30:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 21:30:27,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:27,655 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] [2023-11-23 21:30:27,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:27,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:27,869 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:27,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:27,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1443067654, now seen corresponding path program 1 times [2023-11-23 21:30:27,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:27,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304379251] [2023-11-23 21:30:27,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:27,870 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 [2023-11-23 21:30:27,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:27,874 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:27,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:30:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:28,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:30:28,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:28,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-11-23 21:30:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:30:28,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:30:28,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-11-23 21:30:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 21:30:28,960 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:28,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304379251] [2023-11-23 21:30:28,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304379251] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:30:28,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [436918983] [2023-11-23 21:30:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:28,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:28,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:30:28,964 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:30:29,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 21:30:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:30,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:30:30,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:30,607 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 99 treesize of output 51 [2023-11-23 21:30:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:30:30,637 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:30:31,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 34 [2023-11-23 21:30:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 21:30:31,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [436918983] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:30:31,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507673477] [2023-11-23 21:30:31,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:31,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:30:31,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:31,101 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:30:31,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 21:30:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:31,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 21:30:31,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:35,250 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 15 treesize of output 1 [2023-11-23 21:30:35,459 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2023-11-23 21:30:35,460 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 1 case distinctions, treesize of input 17 treesize of output 25 [2023-11-23 21:30:35,635 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 64 treesize of output 47 [2023-11-23 21:30:35,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:30:35,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 51 [2023-11-23 21:30:36,122 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:30:36,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 44 [2023-11-23 21:30:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 21:30:36,282 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:36,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507673477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:36,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-23 21:30:36,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 8, 10, 9] total 25 [2023-11-23 21:30:36,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887557197] [2023-11-23 21:30:36,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:36,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:30:36,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:36,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:30:36,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2023-11-23 21:30:36,286 INFO L87 Difference]: Start difference. First operand 88 states and 124 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 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) [2023-11-23 21:30:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:40,007 INFO L93 Difference]: Finished difference Result 226 states and 318 transitions. [2023-11-23 21:30:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:30:40,009 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 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 86 [2023-11-23 21:30:40,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:40,010 INFO L225 Difference]: With dead ends: 226 [2023-11-23 21:30:40,011 INFO L226 Difference]: Without dead ends: 139 [2023-11-23 21:30:40,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2023-11-23 21:30:40,013 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 385 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:40,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 233 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-23 21:30:40,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-23 21:30:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 86. [2023-11-23 21:30:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 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) [2023-11-23 21:30:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 120 transitions. [2023-11-23 21:30:40,027 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 120 transitions. Word has length 86 [2023-11-23 21:30:40,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:40,028 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 120 transitions. [2023-11-23 21:30:40,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 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) [2023-11-23 21:30:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2023-11-23 21:30:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 21:30:40,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:40,029 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] [2023-11-23 21:30:40,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:40,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:40,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:40,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:30:40,640 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:40,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:40,640 INFO L85 PathProgramCache]: Analyzing trace with hash -148925015, now seen corresponding path program 1 times [2023-11-23 21:30:40,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:40,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187812115] [2023-11-23 21:30:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:40,642 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 [2023-11-23 21:30:40,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:40,643 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:40,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-23 21:30:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:41,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:30:41,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:41,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-11-23 21:30:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:30:41,319 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:30:41,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-11-23 21:30:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 21:30:41,563 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:41,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187812115] [2023-11-23 21:30:41,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187812115] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:30:41,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1486963100] [2023-11-23 21:30:41,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:41,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:41,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:30:41,572 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:30:41,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-23 21:30:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:42,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 21:30:42,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:42,798 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 15 treesize of output 1 [2023-11-23 21:30:43,125 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 99 treesize of output 51 [2023-11-23 21:30:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:30:43,148 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:30:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 21:30:43,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1486963100] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:30:43,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377910829] [2023-11-23 21:30:43,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:43,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:30:43,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:43,561 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:30:43,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 21:30:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:43,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 21:30:43,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:44,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 21:30:44,554 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 19 [2023-11-23 21:30:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 21:30:44,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:44,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377910829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:44,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-23 21:30:44,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 8, 10, 9] total 23 [2023-11-23 21:30:44,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466700817] [2023-11-23 21:30:44,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:44,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:30:44,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:44,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:30:44,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2023-11-23 21:30:44,815 INFO L87 Difference]: Start difference. First operand 86 states and 120 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 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) [2023-11-23 21:30:47,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:47,084 INFO L93 Difference]: Finished difference Result 210 states and 292 transitions. [2023-11-23 21:30:47,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:30:47,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 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 91 [2023-11-23 21:30:47,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:47,087 INFO L225 Difference]: With dead ends: 210 [2023-11-23 21:30:47,087 INFO L226 Difference]: Without dead ends: 125 [2023-11-23 21:30:47,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:30:47,089 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 192 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:47,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 178 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:30:47,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-23 21:30:47,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 91. [2023-11-23 21:30:47,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 80 states have internal predecessors, (108), 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) [2023-11-23 21:30:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 126 transitions. [2023-11-23 21:30:47,107 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 126 transitions. Word has length 91 [2023-11-23 21:30:47,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:47,108 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 126 transitions. [2023-11-23 21:30:47,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 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) [2023-11-23 21:30:47,108 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2023-11-23 21:30:47,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 21:30:47,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:47,110 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] [2023-11-23 21:30:47,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:47,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:47,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-11-23 21:30:47,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:47,721 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:47,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:47,721 INFO L85 PathProgramCache]: Analyzing trace with hash -2143069721, now seen corresponding path program 1 times [2023-11-23 21:30:47,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:47,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157562554] [2023-11-23 21:30:47,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:47,722 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 [2023-11-23 21:30:47,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:47,724 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:47,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 (13)] Waiting until timeout for monitored process [2023-11-23 21:30:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:48,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:30:48,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:48,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-11-23 21:30:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:30:48,476 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:30:48,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-11-23 21:30:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 21:30:48,744 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:48,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157562554] [2023-11-23 21:30:48,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [157562554] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:30:48,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1264037122] [2023-11-23 21:30:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:48,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:48,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:30:48,746 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:30:48,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-23 21:30:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:49,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:30:49,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:50,190 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 99 treesize of output 51 [2023-11-23 21:30:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:30:50,216 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:30:50,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 34 [2023-11-23 21:30:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 21:30:50,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1264037122] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:30:50,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605076699] [2023-11-23 21:30:50,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:50,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:30:50,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:50,638 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:30:50,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-23 21:30:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:50,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:30:50,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:50,919 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 [2023-11-23 21:30:51,005 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 21:30:51,005 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:51,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605076699] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:51,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-11-23 21:30:51,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 8, 10, 9] total 20 [2023-11-23 21:30:51,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772420172] [2023-11-23 21:30:51,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:51,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:30:51,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:51,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:30:51,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2023-11-23 21:30:51,008 INFO L87 Difference]: Start difference. First operand 91 states and 126 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-11-23 21:30:51,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:51,398 INFO L93 Difference]: Finished difference Result 201 states and 278 transitions. [2023-11-23 21:30:51,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:30:51,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 91 [2023-11-23 21:30:51,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:51,403 INFO L225 Difference]: With dead ends: 201 [2023-11-23 21:30:51,403 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 21:30:51,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2023-11-23 21:30:51,404 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 24 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:51,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 217 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:30:51,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 21:30:51,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 91. [2023-11-23 21:30:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 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) [2023-11-23 21:30:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2023-11-23 21:30:51,418 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 91 [2023-11-23 21:30:51,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:51,418 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2023-11-23 21:30:51,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2023-11-23 21:30:51,419 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2023-11-23 21:30:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 21:30:51,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:51,420 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] [2023-11-23 21:30:51,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:51,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 (13)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:51,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:52,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:52,033 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:52,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:52,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1140780325, now seen corresponding path program 1 times [2023-11-23 21:30:52,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:52,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573046241] [2023-11-23 21:30:52,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:52,034 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 [2023-11-23 21:30:52,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:52,036 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:30:52,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/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 (16)] Waiting until timeout for monitored process [2023-11-23 21:30:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:52,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:30:52,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:52,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-11-23 21:30:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:30:52,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:30:52,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-11-23 21:30:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 21:30:52,986 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:52,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573046241] [2023-11-23 21:30:52,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573046241] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:30:52,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1410933975] [2023-11-23 21:30:52,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:52,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:30:52,993 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:30:53,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-23 21:30:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:54,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 21:30:54,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:54,325 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 15 treesize of output 1 [2023-11-23 21:30:54,618 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 99 treesize of output 51 [2023-11-23 21:30:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:30:54,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:30:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-23 21:30:55,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1410933975] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:30:55,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097419048] [2023-11-23 21:30:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:55,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:30:55,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:55,007 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:30:55,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b9ec11c-6831-4084-94e4-f8de9377a4f8/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-23 21:30:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:55,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 21:30:55,249 INFO L285 TraceCheckSpWp]: Computing forward predicates...