./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9895c65ddd0a757601efacae1236f009f563ee992f30a3895b216cc56df077ed --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:37:19,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:37:19,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:37:19,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:37:19,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:37:19,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:37:19,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:37:19,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:37:19,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:37:19,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:37:19,949 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:37:19,950 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:37:19,951 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:37:19,951 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:37:19,952 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:37:19,952 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:37:19,953 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:37:19,953 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:37:19,954 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:37:19,954 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:37:19,955 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:37:19,956 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:37:19,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:37:19,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:37:19,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:37:19,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:37:19,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:37:19,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:37:19,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:37:19,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:37:19,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:37:19,961 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:37:19,962 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:37:19,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:37:19,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:37:19,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:37:19,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:37:19,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:37:19,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:19,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:37:19,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:37:19,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:37:19,966 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:37:19,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:37:19,967 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:37:19,967 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:37:19,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:37:19,968 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_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9895c65ddd0a757601efacae1236f009f563ee992f30a3895b216cc56df077ed [2024-11-09 06:37:20,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:37:20,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:37:20,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:37:20,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:37:20,365 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:37:20,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i Unable to find full path for "g++" [2024-11-09 06:37:22,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:37:23,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:37:23,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-09 06:37:23,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/data/ec4b8b0f5/ab48bb24d57448ab9da99792172f4eb6/FLAG99c764fc6 [2024-11-09 06:37:23,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/data/ec4b8b0f5/ab48bb24d57448ab9da99792172f4eb6 [2024-11-09 06:37:23,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:37:23,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:37:23,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:23,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:37:23,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:37:23,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b7ef77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23, skipping insertion in model container [2024-11-09 06:37:23,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:37:23,780 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-09 06:37:23,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:23,842 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:37:23,856 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-09 06:37:23,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:23,930 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:37:23,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23 WrapperNode [2024-11-09 06:37:23,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:23,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:23,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:37:23,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:37:23,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:23,992 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-11-09 06:37:23,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:23,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:37:23,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:37:23,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:37:24,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:37:24,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:37:24,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:37:24,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:37:24,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (1/1) ... [2024-11-09 06:37:24,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:24,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:24,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:37:24,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:37:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:37:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:37:24,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:37:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:37:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:37:24,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:37:24,211 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:37:24,213 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:37:24,481 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 06:37:24,481 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:37:24,666 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:37:24,666 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:37:24,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:24 BoogieIcfgContainer [2024-11-09 06:37:24,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:37:24,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:37:24,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:37:24,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:37:24,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:37:23" (1/3) ... [2024-11-09 06:37:24,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcd3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:24, skipping insertion in model container [2024-11-09 06:37:24,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:23" (2/3) ... [2024-11-09 06:37:24,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcd3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:24, skipping insertion in model container [2024-11-09 06:37:24,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:24" (3/3) ... [2024-11-09 06:37:24,679 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-09 06:37:24,704 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:37:24,704 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:37:24,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:37:24,825 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f39804, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:37:24,825 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:37:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:37:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 06:37:24,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:24,843 INFO L215 NwaCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:37:24,843 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:24,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1490962367, now seen corresponding path program 1 times [2024-11-09 06:37:24,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:37:24,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742654520] [2024-11-09 06:37:24,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:24,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:37:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:37:25,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:37:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:37:25,455 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:37:25,458 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:37:25,460 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:37:25,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:37:25,468 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:37:25,513 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:37:25,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:37:25 BoogieIcfgContainer [2024-11-09 06:37:25,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:37:25,523 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:37:25,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:37:25,523 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:37:25,524 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:24" (3/4) ... [2024-11-09 06:37:25,528 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:37:25,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:37:25,533 INFO L158 Benchmark]: Toolchain (without parser) took 2032.49ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 104.4MB in the beginning and 131.6MB in the end (delta: -27.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-09 06:37:25,534 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:37:25,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.03ms. Allocated memory is still 146.8MB. Free memory was 104.4MB in the beginning and 90.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:37:25,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.86ms. Allocated memory is still 146.8MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:37:25,537 INFO L158 Benchmark]: Boogie Preprocessor took 38.23ms. Allocated memory is still 146.8MB. Free memory was 88.2MB in the beginning and 86.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:37:25,538 INFO L158 Benchmark]: RCFGBuilder took 634.12ms. Allocated memory is still 146.8MB. Free memory was 86.6MB in the beginning and 64.0MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 06:37:25,539 INFO L158 Benchmark]: TraceAbstraction took 851.87ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 63.1MB in the beginning and 131.6MB in the end (delta: -68.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:37:25,539 INFO L158 Benchmark]: Witness Printer took 7.45ms. Allocated memory is still 184.5MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:37:25,551 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.03ms. Allocated memory is still 146.8MB. Free memory was 104.4MB in the beginning and 90.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.86ms. Allocated memory is still 146.8MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.23ms. Allocated memory is still 146.8MB. Free memory was 88.2MB in the beginning and 86.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.12ms. Allocated memory is still 146.8MB. Free memory was 86.6MB in the beginning and 64.0MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 851.87ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 63.1MB in the beginning and 131.6MB in the end (delta: -68.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.45ms. Allocated memory is still 184.5MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryFLOATComparisonOperation at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 2; [L23] signed long int var_1_3 = 9; [L24] signed long int var_1_4 = 3; [L25] unsigned short int var_1_5 = 32; [L26] unsigned short int var_1_9 = 1; [L27] unsigned char var_1_10 = 8; [L28] unsigned char var_1_11 = 5; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 8; [L82] isInitial = 1 [L83] FCALL initially() [L84] COND TRUE 1 [L85] FCALL updateLastVariables() [L86] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L64] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=3, var_1_5=32, var_1_9=1] [L65] var_1_4 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L68] var_1_11 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-248, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=8, var_1_11=-248, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L71] var_1_13 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-248, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=-248, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=-248, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=-248, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=2, var_1_3=-1, var_1_4=0, var_1_5=32, var_1_9=1] [L86] RET updateVariables() [L87] CALL step() [L35] var_1_12 = var_1_13 [L36] var_1_14 = var_1_11 [L37] COND TRUE \read(var_1_12) [L38] var_1_1 = var_1_3 [L44] COND TRUE (var_1_1 + 8.125) > (var_1_1 * var_1_3) [L45] var_1_5 = (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))) [L49] signed long int stepLocal_0 = 5 * var_1_14; [L50] COND TRUE ((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1 [L51] COND FALSE !(var_1_14 > stepLocal_0) [L57] COND FALSE !(var_1_1 < var_1_3) [L87] RET step() [L88] CALL, EXPR property() [L78-L79] return (((((var_1_12 ? (var_1_1 == ((signed long int) var_1_3)) : ((! (var_1_3 < var_1_4)) ? (var_1_1 == ((signed long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1)) && (((var_1_1 + 8.125) > (var_1_1 * var_1_3)) ? (var_1_5 == ((unsigned short int) (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))))) : (var_1_5 == ((unsigned short int) var_1_14)))) && ((((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) ? ((var_1_14 > (5 * var_1_14)) ? ((var_1_1 < (var_1_1 * 256.5f)) ? (var_1_9 == ((unsigned short int) var_1_14)) : 1) : 1) : 1)) && ((var_1_1 < var_1_3) ? (var_1_10 == ((unsigned char) var_1_11)) : 1)) && (var_1_12 == ((unsigned char) var_1_13))) && (var_1_14 == ((unsigned char) var_1_11)) ; [L88] RET, EXPR property() [L88] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=8, var_1_11=-248, var_1_12=1, var_1_13=1, var_1_14=-248, var_1_1=-1, var_1_3=-1, var_1_4=0, var_1_5=16, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=8, var_1_11=-248, var_1_12=1, var_1_13=1, var_1_14=-248, var_1_1=-1, var_1_3=-1, var_1_4=0, var_1_5=16, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 8, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:37:25,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9895c65ddd0a757601efacae1236f009f563ee992f30a3895b216cc56df077ed --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:37:28,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:37:28,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:37:28,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:37:28,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:37:28,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:37:28,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:37:28,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:37:28,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:37:28,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:37:28,663 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:37:28,664 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:37:28,664 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:37:28,667 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:37:28,668 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:37:28,668 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:37:28,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:37:28,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:37:28,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:37:28,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:37:28,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:37:28,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:37:28,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:37:28,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:37:28,677 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:37:28,677 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:37:28,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:37:28,678 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:37:28,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:37:28,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:37:28,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:37:28,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:37:28,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:37:28,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:37:28,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:37:28,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:28,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:37:28,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:37:28,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:37:28,682 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:37:28,682 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:37:28,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:37:28,693 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:37:28,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9895c65ddd0a757601efacae1236f009f563ee992f30a3895b216cc56df077ed [2024-11-09 06:37:29,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:37:29,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:37:29,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:37:29,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:37:29,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:37:29,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i Unable to find full path for "g++" [2024-11-09 06:37:31,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:37:32,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:37:32,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-09 06:37:32,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/data/351e193f0/1350281d0b1d4151b9d068ff246bf47c/FLAGdf2c0df30 [2024-11-09 06:37:32,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/data/351e193f0/1350281d0b1d4151b9d068ff246bf47c [2024-11-09 06:37:32,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:37:32,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:37:32,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:32,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:37:32,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:37:32,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bd0363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32, skipping insertion in model container [2024-11-09 06:37:32,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:37:32,500 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-09 06:37:32,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:32,572 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:37:32,586 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-29.i[916,929] [2024-11-09 06:37:32,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:37:32,661 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:37:32,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32 WrapperNode [2024-11-09 06:37:32,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:37:32,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:32,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:37:32,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:37:32,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,729 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-09 06:37:32,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:37:32,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:37:32,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:37:32,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:37:32,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:37:32,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:37:32,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:37:32,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:37:32,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (1/1) ... [2024-11-09 06:37:32,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:37:32,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:37:32,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:37:32,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:37:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:37:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:37:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:37:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:37:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:37:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:37:33,085 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:37:33,088 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:37:38,377 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 06:37:38,378 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:37:38,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:37:38,404 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:37:38,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:38 BoogieIcfgContainer [2024-11-09 06:37:38,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:37:38,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:37:38,410 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:37:38,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:37:38,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:37:32" (1/3) ... [2024-11-09 06:37:38,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0647e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:38, skipping insertion in model container [2024-11-09 06:37:38,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:37:32" (2/3) ... [2024-11-09 06:37:38,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0647e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:37:38, skipping insertion in model container [2024-11-09 06:37:38,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:37:38" (3/3) ... [2024-11-09 06:37:38,417 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-29.i [2024-11-09 06:37:38,440 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:37:38,440 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:37:38,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:37:38,525 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@30437143, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:37:38,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:37:38,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:37:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 06:37:38,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:38,543 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:37:38,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:38,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:38,576 INFO L85 PathProgramCache]: Analyzing trace with hash 617659328, now seen corresponding path program 1 times [2024-11-09 06:37:38,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:38,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257869806] [2024-11-09 06:37:38,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:38,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:37:38,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:38,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:37:38,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:37:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:38,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 06:37:38,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 06:37:39,051 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:37:39,052 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:37:39,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257869806] [2024-11-09 06:37:39,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257869806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:39,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:39,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:37:39,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148795360] [2024-11-09 06:37:39,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:39,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:37:39,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:37:39,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:37:39,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:37:39,094 INFO L87 Difference]: Start difference. First operand has 39 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 06:37:41,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:42,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:45,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 06:37:45,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:45,472 INFO L93 Difference]: Finished difference Result 85 states and 136 transitions. [2024-11-09 06:37:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:37:45,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 58 [2024-11-09 06:37:45,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:45,489 INFO L225 Difference]: With dead ends: 85 [2024-11-09 06:37:45,489 INFO L226 Difference]: Without dead ends: 49 [2024-11-09 06:37:45,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:37:45,497 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 14 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:45,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 85 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-09 06:37:45,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-09 06:37:45,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 41. [2024-11-09 06:37:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 states have internal predecessors, (42), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:37:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2024-11-09 06:37:45,549 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 58 [2024-11-09 06:37:45,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:45,551 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2024-11-09 06:37:45,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 06:37:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2024-11-09 06:37:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 06:37:45,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:45,555 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:37:45,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:37:45,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:37:45,757 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:45,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:45,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1167872711, now seen corresponding path program 1 times [2024-11-09 06:37:45,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:45,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642148508] [2024-11-09 06:37:45,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:45,760 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:37:45,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:45,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:37:45,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:37:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:46,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:37:46,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 06:37:46,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:37:46,547 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:37:46,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642148508] [2024-11-09 06:37:46,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642148508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:37:46,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:37:46,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 06:37:46,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573253915] [2024-11-09 06:37:46,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:37:46,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 06:37:46,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:37:46,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 06:37:46,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:37:46,559 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 06:37:47,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:37:47,672 INFO L93 Difference]: Finished difference Result 82 states and 108 transitions. [2024-11-09 06:37:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:37:47,697 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2024-11-09 06:37:47,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:37:47,699 INFO L225 Difference]: With dead ends: 82 [2024-11-09 06:37:47,699 INFO L226 Difference]: Without dead ends: 44 [2024-11-09 06:37:47,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-09 06:37:47,702 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 85 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:37:47,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 80 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 06:37:47,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-09 06:37:47,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-09 06:37:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:37:47,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2024-11-09 06:37:47,717 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 59 [2024-11-09 06:37:47,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:37:47,717 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2024-11-09 06:37:47,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 06:37:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-09 06:37:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 06:37:47,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:37:47,720 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:37:47,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 06:37:47,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:37:47,925 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:37:47,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:37:47,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2069860507, now seen corresponding path program 1 times [2024-11-09 06:37:47,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:37:47,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3114276] [2024-11-09 06:37:47,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:37:47,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:37:47,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:37:47,931 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:37:47,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030a6e61-bf91-4740-8427-083aefd63604/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 06:37:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:37:48,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:37:48,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:37:57,406 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_13~0))) (and (= c_~var_1_1~0 c_~var_1_3~0) (= c_~var_1_14~0 c_~var_1_11~0) (fp.gt (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 65.0 8.0))) ((_ to_fp 11 53) c_currentRoundingMode (bvmul c_~var_1_1~0 c_~var_1_3~0))) (bvsle .cse0 (_ bv1 32)) (= c_~var_1_12~0 c_~var_1_13~0) (bvsge .cse0 (_ bv1 32)) (let ((.cse1 ((_ zero_extend 24) c_~var_1_14~0))) (let ((.cse2 (bvmul (_ bv2 32) .cse1))) (or (and (= ((_ extract 15 0) .cse1) c_~var_1_5~0) (not (bvsgt .cse2 .cse1))) (= ((_ extract 15 0) .cse2) c_~var_1_5~0)))))) is different from false [2024-11-09 06:37:59,427 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_13~0))) (and (= c_~var_1_1~0 c_~var_1_3~0) (= c_~var_1_14~0 c_~var_1_11~0) (fp.gt (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 65.0 8.0))) ((_ to_fp 11 53) c_currentRoundingMode (bvmul c_~var_1_1~0 c_~var_1_3~0))) (bvsle .cse0 (_ bv1 32)) (= c_~var_1_12~0 c_~var_1_13~0) (bvsge .cse0 (_ bv1 32)) (let ((.cse1 ((_ zero_extend 24) c_~var_1_14~0))) (let ((.cse2 (bvmul (_ bv2 32) .cse1))) (or (and (= ((_ extract 15 0) .cse1) c_~var_1_5~0) (not (bvsgt .cse2 .cse1))) (= ((_ extract 15 0) .cse2) c_~var_1_5~0)))))) is different from true [2024-11-09 06:38:06,476 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_13~0))) (and (= c_~var_1_1~0 c_~var_1_3~0) (= c_~var_1_14~0 c_~var_1_11~0) (fp.gt (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 65.0 8.0))) ((_ to_fp 11 53) c_currentRoundingMode (bvmul c_~var_1_1~0 c_~var_1_3~0))) (bvsle .cse0 (_ bv1 32)) (= c_~var_1_12~0 c_~var_1_13~0) (bvsge .cse0 (_ bv1 32)) (= ((_ extract 15 0) (bvmul (_ bv2 32) ((_ zero_extend 24) c_~var_1_14~0))) c_~var_1_5~0))) is different from false [2024-11-09 06:38:08,498 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_13~0))) (and (= c_~var_1_1~0 c_~var_1_3~0) (= c_~var_1_14~0 c_~var_1_11~0) (fp.gt (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 65.0 8.0))) ((_ to_fp 11 53) c_currentRoundingMode (bvmul c_~var_1_1~0 c_~var_1_3~0))) (bvsle .cse0 (_ bv1 32)) (= c_~var_1_12~0 c_~var_1_13~0) (bvsge .cse0 (_ bv1 32)) (= ((_ extract 15 0) (bvmul (_ bv2 32) ((_ zero_extend 24) c_~var_1_14~0))) c_~var_1_5~0))) is different from true