./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_reinit.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_reinit.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --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 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:44:41,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:44:41,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:44:41,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:44:41,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:44:41,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:44:41,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:44:41,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:44:41,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:44:41,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:44:41,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:44:41,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:44:41,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:44:41,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:44:41,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:44:41,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:44:41,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:44:41,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:44:41,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:44:41,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:44:41,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:44:41,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:44:41,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:44:41,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:44:41,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:44:41,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:44:41,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:44:41,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:44:41,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:44:41,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:44:41,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:44:41,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:44:41,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:44:41,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:44:41,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:44:41,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:44:41,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:44:41,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:44:41,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:44:41,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:44:41,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:44:41,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:44:41,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:44:41,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:44:41,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:44:41,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:44:41,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:44:41,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:44:41,970 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:44:41,970 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:44:41,971 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:44:41,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:44:41,972 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:44:41,972 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:44:41,972 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:44:41,973 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:44:41,973 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:44:41,973 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:44:41,973 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:44:41,974 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:44:41,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:44:41,975 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:44:41,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:44:41,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:44:41,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:44:41,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:44:41,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:44:41,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:44:41,978 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:44:41,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:44:41,978 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:44:41,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:44:41,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:44:41,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:44:41,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:44:41,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:44:41,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:44:41,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:44:41,981 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:44:41,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:44:41,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:44:41,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:44:41,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:44:41,982 INFO L138 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_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2021-11-21 01:44:42,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:44:42,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:44:42,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:44:42,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:44:42,324 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:44:42,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-benchs/filter2_reinit.c [2021-11-21 01:44:42,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data/d3c215398/8bc46bbe41b547009753c95fca7371a0/FLAGcf04ffaaf [2021-11-21 01:44:42,972 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:44:42,974 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/sv-benchmarks/c/float-benchs/filter2_reinit.c [2021-11-21 01:44:42,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data/d3c215398/8bc46bbe41b547009753c95fca7371a0/FLAGcf04ffaaf [2021-11-21 01:44:43,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data/d3c215398/8bc46bbe41b547009753c95fca7371a0 [2021-11-21 01:44:43,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:44:43,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:44:43,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:44:43,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:44:43,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:44:43,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4587c2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43, skipping insertion in model container [2021-11-21 01:44:43,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:44:43,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:44:43,582 WARN L230 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_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2021-11-21 01:44:43,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:44:43,608 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:44:43,620 WARN L230 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_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2021-11-21 01:44:43,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:44:43,639 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:44:43,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43 WrapperNode [2021-11-21 01:44:43,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:44:43,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:44:43,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:44:43,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:44:43,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,674 INFO L137 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2021-11-21 01:44:43,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:44:43,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:44:43,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:44:43,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:44:43,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:44:43,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:44:43,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:44:43,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:44:43,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (1/1) ... [2021-11-21 01:44:43,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:44:43,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:44:43,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:44:43,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:44:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:44:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 01:44:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 01:44:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:44:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:44:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:44:43,852 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:44:43,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:44:44,021 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:44:44,080 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:44:44,080 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 01:44:44,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:44:44 BoogieIcfgContainer [2021-11-21 01:44:44,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:44:44,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:44:44,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:44:44,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:44:44,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:44:43" (1/3) ... [2021-11-21 01:44:44,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb4254c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:44:44, skipping insertion in model container [2021-11-21 01:44:44,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:43" (2/3) ... [2021-11-21 01:44:44,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb4254c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:44:44, skipping insertion in model container [2021-11-21 01:44:44,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:44:44" (3/3) ... [2021-11-21 01:44:44,091 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_reinit.c [2021-11-21 01:44:44,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:44:44,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:44:44,144 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:44:44,151 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:44:44,151 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:44:44,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 01:44:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 01:44:44,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:44:44,173 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:44:44,173 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:44:44,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:44:44,180 INFO L85 PathProgramCache]: Analyzing trace with hash 501115960, now seen corresponding path program 1 times [2021-11-21 01:44:44,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:44:44,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204631734] [2021-11-21 01:44:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:44,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:44:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:44:44,335 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 01:44:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:44:44,424 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-21 01:44:44,425 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 01:44:44,427 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:44:44,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:44:44,433 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-21 01:44:44,436 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:44:44,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:44:44 BoogieIcfgContainer [2021-11-21 01:44:44,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:44:44,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:44:44,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:44:44,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:44:44,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:44:44" (3/4) ... [2021-11-21 01:44:44,471 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 01:44:44,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:44:44,473 INFO L158 Benchmark]: Toolchain (without parser) took 1111.52ms. Allocated memory is still 98.6MB. Free memory was 65.8MB in the beginning and 46.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-21 01:44:44,474 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 98.6MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 38.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:44:44,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.42ms. Allocated memory is still 98.6MB. Free memory was 65.6MB in the beginning and 74.6MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:44:44,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.27ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 73.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:44:44,477 INFO L158 Benchmark]: Boogie Preprocessor took 23.07ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:44:44,482 INFO L158 Benchmark]: RCFGBuilder took 383.87ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 61.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:44:44,483 INFO L158 Benchmark]: TraceAbstraction took 380.39ms. Allocated memory is still 98.6MB. Free memory was 60.6MB in the beginning and 46.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 01:44:44,484 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 98.6MB. Free memory was 46.8MB in the beginning and 46.4MB in the end (delta: 451.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:44:44,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 98.6MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 38.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.42ms. Allocated memory is still 98.6MB. Free memory was 65.6MB in the beginning and 74.6MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.27ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 73.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.07ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.87ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 61.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 380.39ms. Allocated memory is still 98.6MB. Free memory was 60.6MB in the beginning and 46.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 98.6MB. Free memory was 46.8MB in the beginning and 46.4MB in the end (delta: 451.8kB). 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: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of to_real at line 31, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L23] double E, E0, E1, S0, S1, S; [L24] int i; [L26] E = __VERIFIER_nondet_double() [L27] E0 = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L16] COND FALSE !(!cond) [L28] RET assume_abort_if_not(E >= 0. && E <= 1.) [L29] CALL assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [\old(cond)=1] [L16] COND FALSE !(!cond) [L29] RET assume_abort_if_not(E0 >= 0. && E0 <= 1.) [L31] S0 = 0 [L32] S = 0 [L34] i = 0 VAL [i=0] [L34] COND TRUE i <= 1000000 [L36] E1 = E0 [L37] E0 = E [L39] E = __VERIFIER_nondet_double() [L40] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L16] COND FALSE !(!cond) [L40] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=49, E=49, E=49, i=0] [L42] COND TRUE __VERIFIER_nondet_int() [L43] E1 = E [L44] E0 = E [L45] S0 = E [L46] S = E [L49] S1 = S0 [L50] S0 = S [L51] S = 0.7*E - E0*1.3 + E1*1.1 + S0*1.4 - S1*0.7 [L53] CALL __VERIFIER_assert(S >= -4. && S <= 4.) [L18] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L18] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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 [2021-11-21 01:44:44,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_reinit.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --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 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:44:46,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:44:46,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:44:46,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:44:46,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:44:46,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:44:46,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:44:46,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:44:46,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:44:46,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:44:46,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:44:46,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:44:46,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:44:46,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:44:46,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:44:46,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:44:46,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:44:46,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:44:46,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:44:46,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:44:46,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:44:47,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:44:47,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:44:47,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:44:47,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:44:47,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:44:47,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:44:47,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:44:47,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:44:47,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:44:47,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:44:47,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:44:47,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:44:47,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:44:47,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:44:47,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:44:47,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:44:47,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:44:47,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:44:47,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:44:47,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:44:47,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-21 01:44:47,046 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:44:47,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:44:47,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:44:47,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:44:47,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:44:47,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:44:47,049 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:44:47,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:44:47,049 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:44:47,049 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:44:47,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:44:47,050 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:44:47,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:44:47,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:44:47,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:44:47,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:44:47,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:44:47,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:44:47,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:44:47,053 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:44:47,053 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:44:47,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:44:47,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:44:47,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:44:47,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:44:47,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:44:47,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:44:47,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:44:47,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:44:47,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:44:47,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:44:47,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:44:47,056 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:44:47,056 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:44:47,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:44:47,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:44:47,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:44:47,057 INFO L138 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_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2021-11-21 01:44:47,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:44:47,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:44:47,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:44:47,504 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:44:47,505 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:44:47,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-benchs/filter2_reinit.c [2021-11-21 01:44:47,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data/39d92fae6/c80e7720b3da4cf6a8fc5b836c502961/FLAG83918a5f7 [2021-11-21 01:44:48,146 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:44:48,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/sv-benchmarks/c/float-benchs/filter2_reinit.c [2021-11-21 01:44:48,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data/39d92fae6/c80e7720b3da4cf6a8fc5b836c502961/FLAG83918a5f7 [2021-11-21 01:44:48,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/data/39d92fae6/c80e7720b3da4cf6a8fc5b836c502961 [2021-11-21 01:44:48,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:44:48,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:44:48,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:44:48,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:44:48,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:44:48,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5344f50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48, skipping insertion in model container [2021-11-21 01:44:48,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:44:48,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:44:48,704 WARN L230 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_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2021-11-21 01:44:48,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:44:48,733 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:44:48,783 WARN L230 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_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2021-11-21 01:44:48,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:44:48,827 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:44:48,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48 WrapperNode [2021-11-21 01:44:48,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:44:48,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:44:48,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:44:48,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:44:48,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,868 INFO L137 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2021-11-21 01:44:48,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:44:48,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:44:48,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:44:48,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:44:48,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:44:48,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:44:48,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:44:48,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:44:48,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (1/1) ... [2021-11-21 01:44:48,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:44:48,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:44:48,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:44:48,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:44:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:44:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 01:44:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 01:44:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 01:44:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:44:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:44:49,075 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:44:49,077 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:44:51,368 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:44:51,374 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:44:51,375 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 01:44:51,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:44:51 BoogieIcfgContainer [2021-11-21 01:44:51,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:44:51,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:44:51,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:44:51,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:44:51,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:44:48" (1/3) ... [2021-11-21 01:44:51,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606f2876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:44:51, skipping insertion in model container [2021-11-21 01:44:51,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:44:48" (2/3) ... [2021-11-21 01:44:51,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606f2876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:44:51, skipping insertion in model container [2021-11-21 01:44:51,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:44:51" (3/3) ... [2021-11-21 01:44:51,389 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_reinit.c [2021-11-21 01:44:51,394 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:44:51,394 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:44:51,443 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:44:51,449 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:44:51,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:44:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 01:44:51,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 01:44:51,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:44:51,484 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:44:51,484 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:44:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:44:51,490 INFO L85 PathProgramCache]: Analyzing trace with hash 526466326, now seen corresponding path program 1 times [2021-11-21 01:44:51,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:44:51,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489821416] [2021-11-21 01:44:51,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:51,503 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:44:51,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:44:51,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:44:51,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-21 01:44:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:44:52,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 01:44:52,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:44:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 01:44:53,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:44:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 01:44:53,309 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:44:53,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489821416] [2021-11-21 01:44:53,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489821416] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-21 01:44:53,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:44:53,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-21 01:44:53,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310689644] [2021-11-21 01:44:53,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:44:53,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:44:53,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:44:53,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:44:53,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:44:53,346 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:44:53,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:44:53,365 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2021-11-21 01:44:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:44:53,367 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2021-11-21 01:44:53,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:44:53,374 INFO L225 Difference]: With dead ends: 41 [2021-11-21 01:44:53,374 INFO L226 Difference]: Without dead ends: 18 [2021-11-21 01:44:53,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:44:53,389 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:44:53,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:44:53,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-21 01:44:53,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-21 01:44:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 01:44:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-11-21 01:44:53,425 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 23 [2021-11-21 01:44:53,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:44:53,426 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-11-21 01:44:53,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:44:53,426 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-11-21 01:44:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 01:44:53,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:44:53,428 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:44:53,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-21 01:44:53,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:44:53,654 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:44:53,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:44:53,655 INFO L85 PathProgramCache]: Analyzing trace with hash -398587304, now seen corresponding path program 1 times [2021-11-21 01:44:53,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:44:53,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969506284] [2021-11-21 01:44:53,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:53,657 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:44:53,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:44:53,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:44:53,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4234c65-bbd4-4c53-9b1e-531e7baf5eec/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-21 01:45:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:03,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 01:45:03,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:24,038 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~S0~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (fp.geq |ULTIMATE.start_main_~S0~0#1| (_ +zero 11 53)) (let ((.cse2 (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 10.0)))) (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 |ULTIMATE.start_main_~S0~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 13.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 5.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| .cse4)))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (let ((.cse0 (fp.leq .cse2 .cse3)) (.cse1 (fp.geq .cse2 (fp.neg .cse3)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (not .cse0) (not .cse1))) (and .cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1)))))) is different from false [2021-11-21 01:46:26,096 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~S0~0#1| (_ FloatingPoint 11 53))) (and (fp.leq |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (fp.geq |ULTIMATE.start_main_~S0~0#1| (_ +zero 11 53)) (let ((.cse2 (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 10.0)))) (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 |ULTIMATE.start_main_~S0~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 13.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 5.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| .cse4)))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (let ((.cse0 (fp.leq .cse2 .cse3)) (.cse1 (fp.geq .cse2 (fp.neg .cse3)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (not .cse0) (not .cse1))) (and .cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1)))))) is different from true [2021-11-21 01:47:14,882 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~S0~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 10.0)))) (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 |ULTIMATE.start_main_~S0~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 13.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 5.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| .cse2)))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (or (not (fp.leq .cse0 .cse1)) (not (fp.geq .cse0 (fp.neg .cse1))))) (fp.leq |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (fp.geq |ULTIMATE.start_main_~S0~0#1| (_ +zero 11 53)))) is different from false [2021-11-21 01:47:16,933 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~S0~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 10.0)))) (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse2 |ULTIMATE.start_main_~S0~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 13.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 5.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~S0~0#1| .cse2)))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (or (not (fp.leq .cse0 .cse1)) (not (fp.geq .cse0 (fp.neg .cse1))))) (fp.leq |ULTIMATE.start_main_~S0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (fp.geq |ULTIMATE.start_main_~S0~0#1| (_ +zero 11 53)))) is different from true [2021-11-21 01:47:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 01:47:16,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:47:28,520 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 |c_ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E0~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~S~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~S0~0#1| .cse2)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from false [2021-11-21 01:47:30,686 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 |c_ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E0~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E1~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~S~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~S0~0#1| .cse2)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from true [2021-11-21 01:47:41,596 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 |c_ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E~0#1| .cse2)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from false [2021-11-21 01:47:43,724 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 |c_ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~E~0#1| .cse2)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from true [2021-11-21 01:48:29,784 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (or (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 |ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| .cse2)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) (not (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53))) (not (fp.leq |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0))))) is different from false [2021-11-21 01:48:31,912 WARN L860 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (or (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 |ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| .cse2)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) (not (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53))) (not (fp.leq |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0))))) is different from true [2021-11-21 01:51:54,330 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (or (let ((.cse0 (fp.leq |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (.cse1 (fp.geq |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| (_ +zero 11 53)))) (and (or (not .cse0) (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32))) (not .cse1)) (or (and .cse0 .cse1) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32)))))) (let ((.cse2 (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1|) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| .cse4)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse2 .cse3) (fp.geq .cse2 (fp.neg .cse3)))))) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse5 (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 |ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| .cse7)))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (or (not (fp.geq .cse5 (fp.neg .cse6))) (not (fp.leq .cse5 .cse6)))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0))))) is different from false [2021-11-21 01:51:56,470 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (or (let ((.cse0 (fp.leq |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (.cse1 (fp.geq |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| (_ +zero 11 53)))) (and (or (not .cse0) (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32))) (not .cse1)) (or (and .cse0 .cse1) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32)))))) (let ((.cse2 (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1|) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| .cse4)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse2 .cse3) (fp.geq .cse2 (fp.neg .cse3)))))) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse5 (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 |ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| .cse7)))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (or (not (fp.geq .cse5 (fp.neg .cse6))) (not (fp.leq .cse5 .cse6)))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0))))) is different from true [2021-11-21 01:58:36,696 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (or (let ((.cse0 (fp.leq |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (.cse1 (fp.geq |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| (_ +zero 11 53)))) (and (or (not .cse0) (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32))) (not .cse1)) (or (and .cse0 .cse1) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32)))))) (let ((.cse2 (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1|) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| .cse4)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse2 .cse3) (fp.geq .cse2 (fp.neg .cse3)))))) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse5 (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 |ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| .cse7)))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (or (not (fp.geq .cse5 (fp.neg .cse6))) (not (fp.leq .cse5 .cse6)))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)))) (= c_assume_abort_if_not_~cond (_ bv0 32))) is different from false [2021-11-21 01:58:38,833 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (or (let ((.cse0 (fp.leq |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (.cse1 (fp.geq |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| (_ +zero 11 53)))) (and (or (not .cse0) (not (= |c_assume_abort_if_not_#in~cond| (_ bv1 32))) (not .cse1)) (or (and .cse0 .cse1) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32)))))) (let ((.cse2 (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1|) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~E~0#1_BEFORE_CALL_1| .cse4)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (and (fp.leq .cse2 .cse3) (fp.geq .cse2 (fp.neg .cse3)))))) (exists ((|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse5 (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 10.0)))) (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 |ULTIMATE.start_main_~E~0#1|) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 5.0)))) (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~E~0#1| .cse7)))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode 4.0))) (or (not (fp.geq .cse5 (fp.neg .cse6))) (not (fp.leq .cse5 .cse6)))) (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)))) (= c_assume_abort_if_not_~cond (_ bv0 32))) is different from true