./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7 --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 ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:58:03,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:58:03,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:58:03,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:58:03,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:58:03,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:58:03,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:58:03,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:58:03,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:58:03,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:58:03,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:58:03,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:58:03,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:58:03,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:58:03,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:58:03,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:58:03,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:58:03,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:58:03,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:58:03,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:58:03,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:58:03,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:58:03,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:58:03,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:58:03,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:58:03,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:58:03,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:58:03,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:58:03,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:58:03,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:58:03,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:58:03,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:58:03,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:58:03,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:58:03,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:58:03,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:58:03,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:58:03,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:58:03,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:58:03,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:58:03,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:58:03,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:58:03,985 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:58:03,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:58:03,986 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:58:03,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:58:03,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:58:03,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:58:03,994 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:58:03,995 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:58:03,995 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:58:03,995 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:58:03,996 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:58:03,996 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:58:03,997 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:58:03,997 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:58:03,997 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:58:03,997 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:58:03,997 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:58:03,998 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:58:03,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:58:03,999 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:58:03,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:58:04,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:58:04,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:58:04,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:58:04,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:58:04,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:58:04,002 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:58:04,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:58:04,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:58:04,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:58:04,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:58:04,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:58:04,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:58:04,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:58:04,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:58:04,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:58:04,004 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:58:04,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:58:04,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:58:04,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:58:04,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:58:04,005 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_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2021-11-25 19:58:04,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:58:04,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:58:04,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:58:04,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:58:04,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:58:04,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-11-25 19:58:04,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data/206c98fdb/d017d65fe5864c90a0cc4a33a52a4688/FLAG62abf5f38 [2021-11-25 19:58:04,928 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:58:04,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-11-25 19:58:04,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data/206c98fdb/d017d65fe5864c90a0cc4a33a52a4688/FLAG62abf5f38 [2021-11-25 19:58:05,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data/206c98fdb/d017d65fe5864c90a0cc4a33a52a4688 [2021-11-25 19:58:05,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:58:05,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:58:05,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:58:05,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:58:05,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:58:05,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:05,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e6835c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05, skipping insertion in model container [2021-11-25 19:58:05,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:05,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:58:05,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:58:05,707 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_5a559839-c86b-4963-8003-db06bf1e7a16/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-11-25 19:58:05,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:58:05,745 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:58:05,914 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_5a559839-c86b-4963-8003-db06bf1e7a16/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-11-25 19:58:05,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:58:05,947 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:58:05,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05 WrapperNode [2021-11-25 19:58:05,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:58:05,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:58:05,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:58:05,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:58:05,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:05,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:06,071 INFO L137 Inliner]: procedures = 25, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1036 [2021-11-25 19:58:06,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:58:06,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:58:06,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:58:06,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:58:06,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:06,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:06,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:06,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:06,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:06,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:06,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:06,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:58:06,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:58:06,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:58:06,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:58:06,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (1/1) ... [2021-11-25 19:58:06,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:58:06,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:58:06,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:58:06,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:58:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:58:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-25 19:58:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-25 19:58:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-11-25 19:58:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-11-25 19:58:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:58:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 19:58:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:58:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-25 19:58:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:58:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-25 19:58:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-11-25 19:58:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-11-25 19:58:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-25 19:58:06,324 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-25 19:58:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:58:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:58:06,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:58:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:58:06,605 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:58:06,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:58:07,714 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:58:07,985 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:58:07,985 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 19:58:07,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:58:07 BoogieIcfgContainer [2021-11-25 19:58:07,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:58:07,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:58:07,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:58:07,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:58:07,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:58:05" (1/3) ... [2021-11-25 19:58:07,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3a32b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:58:07, skipping insertion in model container [2021-11-25 19:58:07,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:05" (2/3) ... [2021-11-25 19:58:08,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3a32b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:58:08, skipping insertion in model container [2021-11-25 19:58:08,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:58:07" (3/3) ... [2021-11-25 19:58:08,002 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2021-11-25 19:58:08,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:58:08,012 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:58:08,071 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:58:08,079 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 [2021-11-25 19:58:08,080 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:58:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 174 states, 156 states have (on average 1.6923076923076923) internal successors, (264), 157 states have internal predecessors, (264), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:58:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 19:58:08,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:58:08,130 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:58:08,130 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:58:08,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:58:08,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1902688936, now seen corresponding path program 1 times [2021-11-25 19:58:08,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:58:08,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744750807] [2021-11-25 19:58:08,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:58:08,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:58:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:58:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:58:08,572 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:58:08,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744750807] [2021-11-25 19:58:08,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744750807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:58:08,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:58:08,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:58:08,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779216771] [2021-11-25 19:58:08,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:58:08,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:58:08,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:58:08,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:58:08,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:58:08,613 INFO L87 Difference]: Start difference. First operand has 174 states, 156 states have (on average 1.6923076923076923) internal successors, (264), 157 states have internal predecessors, (264), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:58:08,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:58:08,828 INFO L93 Difference]: Finished difference Result 347 states and 587 transitions. [2021-11-25 19:58:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:58:08,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 19:58:08,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:58:08,849 INFO L225 Difference]: With dead ends: 347 [2021-11-25 19:58:08,850 INFO L226 Difference]: Without dead ends: 172 [2021-11-25 19:58:08,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:58:08,870 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:58:08,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:58:08,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-25 19:58:08,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-11-25 19:58:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 155 states have (on average 1.3935483870967742) internal successors, (216), 155 states have internal predecessors, (216), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:58:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2021-11-25 19:58:08,954 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 8 [2021-11-25 19:58:08,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:58:08,955 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2021-11-25 19:58:08,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:58:08,957 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2021-11-25 19:58:08,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:58:08,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:58:08,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:58:08,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:58:08,959 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:58:08,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:58:08,960 INFO L85 PathProgramCache]: Analyzing trace with hash -832048840, now seen corresponding path program 1 times [2021-11-25 19:58:08,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:58:08,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601098401] [2021-11-25 19:58:08,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:58:08,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:58:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:58:09,100 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:58:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:58:09,248 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:58:09,248 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:58:09,250 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:58:09,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:58:09,256 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 19:58:09,259 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:58:09,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:58:09 BoogieIcfgContainer [2021-11-25 19:58:09,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:58:09,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:58:09,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:58:09,308 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:58:09,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:58:07" (3/4) ... [2021-11-25 19:58:09,312 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:58:09,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:58:09,313 INFO L158 Benchmark]: Toolchain (without parser) took 4061.94ms. Allocated memory is still 151.0MB. Free memory was 115.7MB in the beginning and 79.8MB in the end (delta: 35.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-11-25 19:58:09,314 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:58:09,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.96ms. Allocated memory is still 151.0MB. Free memory was 115.3MB in the beginning and 109.3MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:58:09,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.02ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 103.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:58:09,316 INFO L158 Benchmark]: Boogie Preprocessor took 154.00ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 96.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:58:09,316 INFO L158 Benchmark]: RCFGBuilder took 1762.07ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 78.7MB in the end (delta: 18.1MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2021-11-25 19:58:09,317 INFO L158 Benchmark]: TraceAbstraction took 1313.80ms. Allocated memory is still 151.0MB. Free memory was 78.7MB in the beginning and 80.2MB in the end (delta: -1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:58:09,318 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 151.0MB. Free memory was 80.2MB in the beginning and 79.8MB in the end (delta: 345.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:58:09,321 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.96ms. Allocated memory is still 151.0MB. Free memory was 115.3MB in the beginning and 109.3MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.02ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 103.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.00ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 96.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1762.07ms. Allocated memory is still 151.0MB. Free memory was 96.8MB in the beginning and 78.7MB in the end (delta: 18.1MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1313.80ms. Allocated memory is still 151.0MB. Free memory was 78.7MB in the beginning and 80.2MB in the end (delta: -1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 151.0MB. Free memory was 80.2MB in the beginning and 79.8MB in the end (delta: 345.4kB). 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: 647]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 532, overapproximation of someBinaryArithmeticDOUBLEoperation at line 618, overapproximation of bitwiseAnd at line 613, overapproximation of someBinaryDOUBLEComparisonOperation at line 88. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L366-L377] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L379-L386] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L642] double x = 0.0 / 0.0; [L643] CALL, EXPR cos_double(x) [L605] double y[2], z = 0.0; [L606] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L608] ieee_double_shape_type gh_u; [L609] gh_u.value = (x) [L610] EXPR gh_u.parts.msw [L610] (ix) = gh_u.parts.msw [L613] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L614] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L617] COND TRUE ix >= 0x7ff00000 [L618] return x - x; [L618] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L643] RET, EXPR cos_double(x) [L643] double res = cos_double(x); [L646] CALL, EXPR isnan_double(res) [L88] return x != x; [L646] RET, EXPR isnan_double(res) [L646] COND TRUE !isnan_double(res) [L647] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 174 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 189 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2021-11-25 19:58:09,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/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_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7 --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 ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:58:11,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:58:11,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:58:12,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:58:12,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:58:12,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:58:12,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:58:12,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:58:12,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:58:12,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:58:12,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:58:12,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:58:12,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:58:12,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:58:12,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:58:12,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:58:12,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:58:12,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:58:12,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:58:12,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:58:12,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:58:12,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:58:12,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:58:12,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:58:12,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:58:12,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:58:12,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:58:12,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:58:12,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:58:12,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:58:12,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:58:12,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:58:12,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:58:12,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:58:12,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:58:12,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:58:12,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:58:12,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:58:12,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:58:12,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:58:12,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:58:12,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 19:58:12,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:58:12,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:58:12,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:58:12,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:58:12,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:58:12,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:58:12,117 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:58:12,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:58:12,118 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:58:12,120 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:58:12,121 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:58:12,121 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:58:12,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:58:12,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:58:12,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:58:12,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:58:12,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:58:12,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:58:12,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:58:12,125 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:58:12,125 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:58:12,125 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:58:12,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:58:12,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:58:12,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:58:12,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:58:12,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:58:12,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:58:12,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:58:12,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:58:12,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:58:12,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:58:12,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:58:12,129 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:58:12,129 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:58:12,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:58:12,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:58:12,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:58:12,130 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_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2021-11-25 19:58:12,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:58:12,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:58:12,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:58:12,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:58:12,584 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:58:12,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-11-25 19:58:12,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data/98ce5b5d3/2da92b20a88b4573af230c53c91e9516/FLAG7d5e5fd79 [2021-11-25 19:58:13,355 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:58:13,357 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-11-25 19:58:13,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data/98ce5b5d3/2da92b20a88b4573af230c53c91e9516/FLAG7d5e5fd79 [2021-11-25 19:58:13,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/data/98ce5b5d3/2da92b20a88b4573af230c53c91e9516 [2021-11-25 19:58:13,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:58:13,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:58:13,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:58:13,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:58:13,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:58:13,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:13" (1/1) ... [2021-11-25 19:58:13,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4825435b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:13, skipping insertion in model container [2021-11-25 19:58:13,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:13" (1/1) ... [2021-11-25 19:58:13,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:58:13,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:58:14,127 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_5a559839-c86b-4963-8003-db06bf1e7a16/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-11-25 19:58:14,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:58:14,169 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:58:14,352 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_5a559839-c86b-4963-8003-db06bf1e7a16/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-11-25 19:58:14,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:58:14,401 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:58:14,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14 WrapperNode [2021-11-25 19:58:14,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:58:14,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:58:14,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:58:14,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:58:14,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,575 INFO L137 Inliner]: procedures = 29, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1034 [2021-11-25 19:58:14,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:58:14,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:58:14,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:58:14,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:58:14,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:58:14,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:58:14,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:58:14,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:58:14,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (1/1) ... [2021-11-25 19:58:14,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:58:14,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:58:14,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:58:14,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:58:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:58:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-25 19:58:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-25 19:58:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-25 19:58:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-25 19:58:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:58:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 19:58:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-11-25 19:58:14,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-11-25 19:58:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:58:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-25 19:58:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 19:58:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-11-25 19:58:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-11-25 19:58:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-25 19:58:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-25 19:58:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:58:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:58:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 19:58:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:58:15,095 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:58:15,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:59:08,324 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:59:08,336 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:59:08,336 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 19:59:08,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:59:08 BoogieIcfgContainer [2021-11-25 19:59:08,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:59:08,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:59:08,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:59:08,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:59:08,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:58:13" (1/3) ... [2021-11-25 19:59:08,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110363ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:59:08, skipping insertion in model container [2021-11-25 19:59:08,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:14" (2/3) ... [2021-11-25 19:59:08,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110363ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:59:08, skipping insertion in model container [2021-11-25 19:59:08,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:59:08" (3/3) ... [2021-11-25 19:59:08,347 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2021-11-25 19:59:08,353 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:59:08,353 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:59:08,407 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:59:08,413 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 [2021-11-25 19:59:08,414 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:59:08,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:59:08,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 19:59:08,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:59:08,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:59:08,442 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:59:08,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:59:08,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1677747797, now seen corresponding path program 1 times [2021-11-25 19:59:08,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:59:08,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740343342] [2021-11-25 19:59:08,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:59:08,463 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:59:08,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:59:08,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:59:08,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 19:59:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:59:09,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 19:59:09,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:59:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:59:09,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:59:09,170 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:59:09,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740343342] [2021-11-25 19:59:09,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740343342] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:59:09,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:59:09,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:59:09,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978869126] [2021-11-25 19:59:09,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:59:09,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:59:09,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:59:09,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:59:09,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:59:09,214 INFO L87 Difference]: Start difference. First operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:59:09,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:59:09,309 INFO L93 Difference]: Finished difference Result 512 states and 856 transitions. [2021-11-25 19:59:09,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:59:09,312 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 19:59:09,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:59:09,336 INFO L225 Difference]: With dead ends: 512 [2021-11-25 19:59:09,336 INFO L226 Difference]: Without dead ends: 254 [2021-11-25 19:59:09,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:59:09,352 INFO L933 BasicCegarLoop]: 359 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, 359 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 [2021-11-25 19:59:09,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:59:09,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-25 19:59:09,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-11-25 19:59:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:59:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-11-25 19:59:09,411 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-11-25 19:59:09,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:59:09,411 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-11-25 19:59:09,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:59:09,412 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-11-25 19:59:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:59:09,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:59:09,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:59:09,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:59:09,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:59:09,619 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:59:09,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:59:09,620 INFO L85 PathProgramCache]: Analyzing trace with hash 750166241, now seen corresponding path program 1 times [2021-11-25 19:59:09,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:59:09,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831640879] [2021-11-25 19:59:09,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:59:09,622 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:59:09,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:59:09,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:59:09,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 19:59:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:59:10,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:59:10,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:59:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:59:11,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:59:11,009 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:59:11,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831640879] [2021-11-25 19:59:11,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [831640879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:59:11,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:59:11,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:59:11,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550641357] [2021-11-25 19:59:11,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:59:11,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 19:59:11,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:59:11,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 19:59:11,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:59:11,013 INFO L87 Difference]: Start difference. First operand 254 states and 356 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:59:14,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:17,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:19,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:21,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:23,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:25,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:27,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:29,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:31,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:33,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:36,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:39,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:41,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:44,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:46,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:48,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:51,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:53,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:55,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 19:59:59,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:02,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:08,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:10,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:13,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:16,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:18,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:21,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:23,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:26,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:26,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:26,562 INFO L93 Difference]: Finished difference Result 378 states and 526 transitions. [2021-11-25 20:00:26,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:00:26,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 20:00:26,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:26,600 INFO L225 Difference]: With dead ends: 378 [2021-11-25 20:00:26,601 INFO L226 Difference]: Without dead ends: 373 [2021-11-25 20:00:26,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-25 20:00:26,603 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 304 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 12 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:26,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 1600 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 163 Invalid, 26 Unknown, 0 Unchecked, 75.0s Time] [2021-11-25 20:00:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-25 20:00:26,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 307. [2021-11-25 20:00:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 284 states have (on average 1.3838028169014085) internal successors, (393), 287 states have internal predecessors, (393), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (17), 13 states have call predecessors, (17), 16 states have call successors, (17) [2021-11-25 20:00:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 426 transitions. [2021-11-25 20:00:26,660 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 426 transitions. Word has length 11 [2021-11-25 20:00:26,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:26,661 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 426 transitions. [2021-11-25 20:00:26,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:00:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 426 transitions. [2021-11-25 20:00:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 20:00:26,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:26,663 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:26,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:00:26,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:00:26,867 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:00:26,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:26,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1679552789, now seen corresponding path program 1 times [2021-11-25 20:00:26,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:00:26,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667854636] [2021-11-25 20:00:26,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:26,869 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:00:26,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:00:26,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:00:26,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 20:00:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:27,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 20:00:27,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:00:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:00:30,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:00:30,117 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:00:30,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667854636] [2021-11-25 20:00:30,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667854636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:30,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:30,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:00:30,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643294935] [2021-11-25 20:00:30,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:30,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:00:30,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:00:30,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:00:30,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-11-25 20:00:30,120 INFO L87 Difference]: Start difference. First operand 307 states and 426 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:00:30,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:30,137 INFO L93 Difference]: Finished difference Result 326 states and 447 transitions. [2021-11-25 20:00:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:00:30,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-11-25 20:00:30,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:30,142 INFO L225 Difference]: With dead ends: 326 [2021-11-25 20:00:30,142 INFO L226 Difference]: Without dead ends: 305 [2021-11-25 20:00:30,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-11-25 20:00:30,143 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:30,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1385 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-11-25 20:00:30,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-25 20:00:30,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-11-25 20:00:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 283 states have (on average 1.3816254416961131) internal successors, (391), 286 states have internal predecessors, (391), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2021-11-25 20:00:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 422 transitions. [2021-11-25 20:00:30,171 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 422 transitions. Word has length 20 [2021-11-25 20:00:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:30,171 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 422 transitions. [2021-11-25 20:00:30,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:00:30,172 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 422 transitions. [2021-11-25 20:00:30,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 20:00:30,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:30,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:30,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:00:30,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:00:30,387 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:00:30,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:30,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1493280314, now seen corresponding path program 1 times [2021-11-25 20:00:30,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:00:30,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436523666] [2021-11-25 20:00:30,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:30,389 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:00:30,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:00:30,392 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:00:30,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 20:00:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:30,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:00:30,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:00:31,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:00:31,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:00:31,960 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:00:31,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436523666] [2021-11-25 20:00:31,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436523666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:31,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:31,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 20:00:31,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112020470] [2021-11-25 20:00:31,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:31,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:00:31,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:00:31,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:00:31,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:00:31,963 INFO L87 Difference]: Start difference. First operand 305 states and 422 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:00:31,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:31,983 INFO L93 Difference]: Finished difference Result 348 states and 477 transitions. [2021-11-25 20:00:31,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:00:31,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-25 20:00:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:31,986 INFO L225 Difference]: With dead ends: 348 [2021-11-25 20:00:31,987 INFO L226 Difference]: Without dead ends: 305 [2021-11-25 20:00:31,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:00:31,988 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:31,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1695 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 30 Unchecked, 0.0s Time] [2021-11-25 20:00:31,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-25 20:00:32,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-11-25 20:00:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 283 states have (on average 1.3780918727915195) internal successors, (390), 286 states have internal predecessors, (390), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2021-11-25 20:00:32,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 421 transitions. [2021-11-25 20:00:32,008 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 421 transitions. Word has length 21 [2021-11-25 20:00:32,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:32,009 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 421 transitions. [2021-11-25 20:00:32,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:00:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 421 transitions. [2021-11-25 20:00:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 20:00:32,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:32,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:32,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:00:32,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:00:32,230 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:00:32,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:32,231 INFO L85 PathProgramCache]: Analyzing trace with hash -818154427, now seen corresponding path program 1 times [2021-11-25 20:00:32,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:00:32,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617349417] [2021-11-25 20:00:32,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:32,231 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:00:32,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:00:32,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:00:32,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 20:00:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:32,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 20:00:32,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:00:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:00:32,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:00:32,998 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:00:32,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617349417] [2021-11-25 20:00:32,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617349417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:32,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:32,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:00:32,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558005963] [2021-11-25 20:00:32,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:33,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:00:33,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:00:33,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:00:33,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:00:33,000 INFO L87 Difference]: Start difference. First operand 305 states and 421 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:00:33,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:33,420 INFO L93 Difference]: Finished difference Result 352 states and 479 transitions. [2021-11-25 20:00:33,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:00:33,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-25 20:00:33,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:33,424 INFO L225 Difference]: With dead ends: 352 [2021-11-25 20:00:33,424 INFO L226 Difference]: Without dead ends: 313 [2021-11-25 20:00:33,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:00:33,426 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 22 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:33,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 1011 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:00:33,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-11-25 20:00:33,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 306. [2021-11-25 20:00:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 284 states have (on average 1.3732394366197183) internal successors, (390), 287 states have internal predecessors, (390), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2021-11-25 20:00:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 421 transitions. [2021-11-25 20:00:33,443 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 421 transitions. Word has length 24 [2021-11-25 20:00:33,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:33,444 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 421 transitions. [2021-11-25 20:00:33,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:00:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 421 transitions. [2021-11-25 20:00:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 20:00:33,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:33,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:33,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-25 20:00:33,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:00:33,663 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:00:33,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:33,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2089633339, now seen corresponding path program 1 times [2021-11-25 20:00:33,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:00:33,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004820793] [2021-11-25 20:00:33,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:33,664 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:00:33,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:00:33,665 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:00:33,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-25 20:00:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:34,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-25 20:00:34,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:00:36,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:00:36,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-11-25 20:00:36,595 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:00:36,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-11-25 20:00:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:00:38,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:00:38,353 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:00:38,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004820793] [2021-11-25 20:00:38,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004820793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:38,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:38,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 20:00:38,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873476155] [2021-11-25 20:00:38,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:38,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 20:00:38,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:00:38,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 20:00:38,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-25 20:00:38,355 INFO L87 Difference]: Start difference. First operand 306 states and 421 transitions. Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:00:41,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:43,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:45,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:47,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:50,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:54,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:57,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:59,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:01,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:03,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:05,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:08,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:10,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:13,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:15,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:18,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:20,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:23,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:26,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:28,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:31,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:33,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:36,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:39,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:41,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:47,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:49,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:52,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:54,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:56,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:59,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:01,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:04,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:06,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:08,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:08,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:02:08,848 INFO L93 Difference]: Finished difference Result 412 states and 563 transitions. [2021-11-25 20:02:08,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 20:02:08,882 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-11-25 20:02:08,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:02:08,886 INFO L225 Difference]: With dead ends: 412 [2021-11-25 20:02:08,886 INFO L226 Difference]: Without dead ends: 406 [2021-11-25 20:02:08,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-11-25 20:02:08,888 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 276 mSDsluCounter, 2448 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 18 mSolverCounterUnsat, 32 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 2767 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 32 IncrementalHoareTripleChecker+Unknown, 288 IncrementalHoareTripleChecker+Unchecked, 89.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:02:08,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 2767 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 160 Invalid, 32 Unknown, 288 Unchecked, 89.1s Time] [2021-11-25 20:02:08,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-11-25 20:02:08,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 323. [2021-11-25 20:02:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 299 states have (on average 1.3779264214046822) internal successors, (412), 304 states have internal predecessors, (412), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 12 states have call predecessors, (19), 16 states have call successors, (19) [2021-11-25 20:02:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 447 transitions. [2021-11-25 20:02:08,910 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 447 transitions. Word has length 30 [2021-11-25 20:02:08,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:02:08,910 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 447 transitions. [2021-11-25 20:02:08,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:02:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 447 transitions. [2021-11-25 20:02:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 20:02:08,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:02:08,913 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:02:08,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-25 20:02:09,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:02:09,134 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:02:09,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:02:09,135 INFO L85 PathProgramCache]: Analyzing trace with hash -497702215, now seen corresponding path program 1 times [2021-11-25 20:02:09,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:02:09,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454272744] [2021-11-25 20:02:09,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:02:09,136 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:02:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:02:09,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:02:09,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-25 20:02:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:02:09,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 20:02:09,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:02:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:02:11,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:02:11,086 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:02:11,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454272744] [2021-11-25 20:02:11,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454272744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:02:11,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:02:11,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 20:02:11,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675879870] [2021-11-25 20:02:11,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:02:11,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:02:11,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:02:11,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:02:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:02:11,088 INFO L87 Difference]: Start difference. First operand 323 states and 447 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:02:11,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:02:11,104 INFO L93 Difference]: Finished difference Result 373 states and 511 transitions. [2021-11-25 20:02:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:02:11,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-11-25 20:02:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:02:11,108 INFO L225 Difference]: With dead ends: 373 [2021-11-25 20:02:11,108 INFO L226 Difference]: Without dead ends: 318 [2021-11-25 20:02:11,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:02:11,110 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 0 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:02:11,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1645 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 21 Unchecked, 0.0s Time] [2021-11-25 20:02:11,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-11-25 20:02:11,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-11-25 20:02:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 294 states have (on average 1.370748299319728) internal successors, (403), 299 states have internal predecessors, (403), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 12 states have call predecessors, (19), 16 states have call successors, (19) [2021-11-25 20:02:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 438 transitions. [2021-11-25 20:02:11,128 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 438 transitions. Word has length 31 [2021-11-25 20:02:11,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:02:11,129 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 438 transitions. [2021-11-25 20:02:11,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:02:11,129 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 438 transitions. [2021-11-25 20:02:11,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 20:02:11,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:02:11,131 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:02:11,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-25 20:02:11,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:02:11,346 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:02:11,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:02:11,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1459474046, now seen corresponding path program 1 times [2021-11-25 20:02:11,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:02:11,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393559066] [2021-11-25 20:02:11,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:02:11,348 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:02:11,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:02:11,348 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:02:11,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-25 20:02:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:02:14,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-25 20:02:14,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:02:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:02:16,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-11-25 20:02:16,415 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:02:16,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-11-25 20:02:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:02:18,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:02:18,522 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:02:18,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393559066] [2021-11-25 20:02:18,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393559066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:02:18,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:02:18,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 20:02:18,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342837123] [2021-11-25 20:02:18,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:02:18,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 20:02:18,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:02:18,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 20:02:18,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-25 20:02:18,524 INFO L87 Difference]: Start difference. First operand 318 states and 438 transitions. Second operand has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:02:21,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:24,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:27,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:29,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:31,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:34,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:36,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:38,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:41,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:43,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:46,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:48,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:51,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:53,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:56,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:58,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:00,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:03,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:05,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:10,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:13,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:16,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:18,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:20,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:23,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:25,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:28,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:30,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:32,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:32,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:03:32,339 INFO L93 Difference]: Finished difference Result 360 states and 496 transitions. [2021-11-25 20:03:32,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 20:03:32,373 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-11-25 20:03:32,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:03:32,377 INFO L225 Difference]: With dead ends: 360 [2021-11-25 20:03:32,377 INFO L226 Difference]: Without dead ends: 354 [2021-11-25 20:03:32,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-25 20:03:32,379 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 308 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 233 IncrementalHoareTripleChecker+Unchecked, 72.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:03:32,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 2454 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 27 Unknown, 233 Unchecked, 72.9s Time] [2021-11-25 20:03:32,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-11-25 20:03:32,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 318. [2021-11-25 20:03:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 294 states have (on average 1.370748299319728) internal successors, (403), 299 states have internal predecessors, (403), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 12 states have call predecessors, (19), 16 states have call successors, (19) [2021-11-25 20:03:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 438 transitions. [2021-11-25 20:03:32,400 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 438 transitions. Word has length 31 [2021-11-25 20:03:32,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:03:32,401 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 438 transitions. [2021-11-25 20:03:32,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:03:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 438 transitions. [2021-11-25 20:03:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 20:03:32,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:03:32,402 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:03:32,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-25 20:03:32,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:03:32,624 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:03:32,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:03:32,625 INFO L85 PathProgramCache]: Analyzing trace with hash 122236530, now seen corresponding path program 1 times [2021-11-25 20:03:32,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 20:03:32,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820204997] [2021-11-25 20:03:32,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:32,625 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 20:03:32,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 20:03:32,626 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 20:03:32,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-25 20:03:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:03:36,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 20:03:36,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:03:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:03:39,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:03:39,123 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 20:03:39,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820204997] [2021-11-25 20:03:39,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820204997] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:03:39,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:03:39,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:03:39,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497082627] [2021-11-25 20:03:39,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:03:39,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:03:39,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 20:03:39,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:03:39,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-11-25 20:03:39,125 INFO L87 Difference]: Start difference. First operand 318 states and 438 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:03:39,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:03:39,131 INFO L93 Difference]: Finished difference Result 318 states and 438 transitions. [2021-11-25 20:03:39,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:03:39,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2021-11-25 20:03:39,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:03:39,132 INFO L225 Difference]: With dead ends: 318 [2021-11-25 20:03:39,133 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 20:03:39,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-11-25 20:03:39,134 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:03:39,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-11-25 20:03:39,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 20:03:39,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 20:03:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:03:39,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 20:03:39,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-11-25 20:03:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:03:39,137 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 20:03:39,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:03:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 20:03:39,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 20:03:39,140 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 20:03:39,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-25 20:03:39,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 20:03:39,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 20:03:40,343 INFO L861 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: true [2021-11-25 20:03:40,343 INFO L858 garLoopResultBuilder]: For program point L155-1(line 155) no Hoare annotation was computed. [2021-11-25 20:03:40,343 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 156) no Hoare annotation was computed. [2021-11-25 20:03:40,343 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 115 165) no Hoare annotation was computed. [2021-11-25 20:03:40,344 INFO L858 garLoopResultBuilder]: For program point L143-1(lines 143 148) no Hoare annotation was computed. [2021-11-25 20:03:40,344 INFO L861 garLoopResultBuilder]: At program point L143-2(lines 143 148) the Hoare annotation is: true [2021-11-25 20:03:40,344 INFO L858 garLoopResultBuilder]: For program point L143-3(lines 143 148) no Hoare annotation was computed. [2021-11-25 20:03:40,344 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 155) no Hoare annotation was computed. [2021-11-25 20:03:40,344 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 115 165) no Hoare annotation was computed. [2021-11-25 20:03:40,345 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 141) no Hoare annotation was computed. [2021-11-25 20:03:40,345 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 115 165) the Hoare annotation is: true [2021-11-25 20:03:40,345 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2021-11-25 20:03:40,345 INFO L861 garLoopResultBuilder]: At program point L128-2(lines 128 132) the Hoare annotation is: true [2021-11-25 20:03:40,345 INFO L858 garLoopResultBuilder]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2021-11-25 20:03:40,346 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 136) no Hoare annotation was computed. [2021-11-25 20:03:40,346 INFO L858 garLoopResultBuilder]: For program point L124-2(lines 115 165) no Hoare annotation was computed. [2021-11-25 20:03:40,346 INFO L861 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: true [2021-11-25 20:03:40,346 INFO L858 garLoopResultBuilder]: For program point L153-1(line 153) no Hoare annotation was computed. [2021-11-25 20:03:40,346 INFO L861 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: true [2021-11-25 20:03:40,347 INFO L858 garLoopResultBuilder]: For program point L141-1(line 141) no Hoare annotation was computed. [2021-11-25 20:03:40,347 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 126) no Hoare annotation was computed. [2021-11-25 20:03:40,347 INFO L858 garLoopResultBuilder]: For program point L158-1(lines 158 163) no Hoare annotation was computed. [2021-11-25 20:03:40,347 INFO L861 garLoopResultBuilder]: At program point L158-2(lines 158 163) the Hoare annotation is: true [2021-11-25 20:03:40,347 INFO L858 garLoopResultBuilder]: For program point L158-3(lines 158 163) no Hoare annotation was computed. [2021-11-25 20:03:40,348 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2021-11-25 20:03:40,348 INFO L861 garLoopResultBuilder]: At program point L117-2(lines 117 122) the Hoare annotation is: true [2021-11-25 20:03:40,348 INFO L858 garLoopResultBuilder]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2021-11-25 20:03:40,348 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 150) no Hoare annotation was computed. [2021-11-25 20:03:40,348 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 135) no Hoare annotation was computed. [2021-11-25 20:03:40,349 INFO L858 garLoopResultBuilder]: For program point L97(lines 97 101) no Hoare annotation was computed. [2021-11-25 20:03:40,349 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 90 109) no Hoare annotation was computed. [2021-11-25 20:03:40,349 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 90 109) no Hoare annotation was computed. [2021-11-25 20:03:40,349 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 90 109) no Hoare annotation was computed. [2021-11-25 20:03:40,349 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 107) no Hoare annotation was computed. [2021-11-25 20:03:40,350 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 90 109) the Hoare annotation is: true [2021-11-25 20:03:40,350 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 90 109) no Hoare annotation was computed. [2021-11-25 20:03:40,350 INFO L858 garLoopResultBuilder]: For program point L102-2(lines 102 107) no Hoare annotation was computed. [2021-11-25 20:03:40,350 INFO L858 garLoopResultBuilder]: For program point L92-1(lines 92 96) no Hoare annotation was computed. [2021-11-25 20:03:40,350 INFO L861 garLoopResultBuilder]: At program point L92-2(lines 92 96) the Hoare annotation is: true [2021-11-25 20:03:40,350 INFO L858 garLoopResultBuilder]: For program point L547-2(lines 547 550) no Hoare annotation was computed. [2021-11-25 20:03:40,350 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2021-11-25 20:03:40,351 INFO L861 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: true [2021-11-25 20:03:40,351 INFO L858 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2021-11-25 20:03:40,351 INFO L858 garLoopResultBuilder]: For program point __kernel_cosFINAL(lines 538 572) no Hoare annotation was computed. [2021-11-25 20:03:40,351 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 567) no Hoare annotation was computed. [2021-11-25 20:03:40,351 INFO L858 garLoopResultBuilder]: For program point __kernel_cosEXIT(lines 538 572) no Hoare annotation was computed. [2021-11-25 20:03:40,351 INFO L861 garLoopResultBuilder]: At program point __kernel_cosENTRY(lines 538 572) the Hoare annotation is: true [2021-11-25 20:03:40,351 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 549) no Hoare annotation was computed. [2021-11-25 20:03:40,351 INFO L858 garLoopResultBuilder]: For program point L561-1(lines 561 566) no Hoare annotation was computed. [2021-11-25 20:03:40,351 INFO L861 garLoopResultBuilder]: At program point L561-2(lines 561 566) the Hoare annotation is: true [2021-11-25 20:03:40,352 INFO L858 garLoopResultBuilder]: For program point L561-3(lines 558 567) no Hoare annotation was computed. [2021-11-25 20:03:40,352 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 571) no Hoare annotation was computed. [2021-11-25 20:03:40,352 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 550) no Hoare annotation was computed. [2021-11-25 20:03:40,352 INFO L854 garLoopResultBuilder]: At program point L630(line 630) the Hoare annotation is: false [2021-11-25 20:03:40,352 INFO L858 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2021-11-25 20:03:40,352 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 307) no Hoare annotation was computed. [2021-11-25 20:03:40,352 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 268) no Hoare annotation was computed. [2021-11-25 20:03:40,352 INFO L854 garLoopResultBuilder]: At program point L300-2(lines 291 308) the Hoare annotation is: false [2021-11-25 20:03:40,353 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2021-11-25 20:03:40,353 INFO L854 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2021-11-25 20:03:40,353 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2021-11-25 20:03:40,353 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 466 470) no Hoare annotation was computed. [2021-11-25 20:03:40,353 INFO L854 garLoopResultBuilder]: At program point L466-2(lines 466 470) the Hoare annotation is: false [2021-11-25 20:03:40,353 INFO L858 garLoopResultBuilder]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2021-11-25 20:03:40,353 INFO L858 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2021-11-25 20:03:40,353 INFO L854 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2021-11-25 20:03:40,353 INFO L858 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2021-11-25 20:03:40,353 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2021-11-25 20:03:40,353 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 42) no Hoare annotation was computed. [2021-11-25 20:03:40,354 INFO L858 garLoopResultBuilder]: For program point L70-2(lines 70 71) no Hoare annotation was computed. [2021-11-25 20:03:40,354 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 505) no Hoare annotation was computed. [2021-11-25 20:03:40,354 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 399 528) no Hoare annotation was computed. [2021-11-25 20:03:40,354 INFO L858 garLoopResultBuilder]: For program point L500-2(lines 500 505) no Hoare annotation was computed. [2021-11-25 20:03:40,354 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 204) no Hoare annotation was computed. [2021-11-25 20:03:40,354 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 204) no Hoare annotation was computed. [2021-11-25 20:03:40,354 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 337) no Hoare annotation was computed. [2021-11-25 20:03:40,354 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 240) no Hoare annotation was computed. [2021-11-25 20:03:40,354 INFO L854 garLoopResultBuilder]: At program point L336-3(lines 336 337) the Hoare annotation is: false [2021-11-25 20:03:40,355 INFO L858 garLoopResultBuilder]: For program point L336-4(lines 322 362) no Hoare annotation was computed. [2021-11-25 20:03:40,355 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2021-11-25 20:03:40,355 INFO L858 garLoopResultBuilder]: For program point L338-1(line 338) no Hoare annotation was computed. [2021-11-25 20:03:40,355 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 240) no Hoare annotation was computed. [2021-11-25 20:03:40,355 INFO L858 garLoopResultBuilder]: For program point L272-1(lines 196 364) no Hoare annotation was computed. [2021-11-25 20:03:40,355 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 178) no Hoare annotation was computed. [2021-11-25 20:03:40,356 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 196 364) no Hoare annotation was computed. [2021-11-25 20:03:40,356 INFO L858 garLoopResultBuilder]: For program point L173-1(lines 166 180) no Hoare annotation was computed. [2021-11-25 20:03:40,356 INFO L858 garLoopResultBuilder]: For program point L173-2(lines 173 178) no Hoare annotation was computed. [2021-11-25 20:03:40,356 INFO L854 garLoopResultBuilder]: At program point L604(lines 604 633) the Hoare annotation is: (and (= |ULTIMATE.start_cos_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_cos_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 20:03:40,356 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 478) no Hoare annotation was computed. [2021-11-25 20:03:40,357 INFO L858 garLoopResultBuilder]: For program point L406-1(lines 406 410) no Hoare annotation was computed. [2021-11-25 20:03:40,357 INFO L854 garLoopResultBuilder]: At program point L406-2(lines 406 410) the Hoare annotation is: false [2021-11-25 20:03:40,357 INFO L858 garLoopResultBuilder]: For program point L340(line 340) no Hoare annotation was computed. [2021-11-25 20:03:40,358 INFO L858 garLoopResultBuilder]: For program point L406-3(lines 406 410) no Hoare annotation was computed. [2021-11-25 20:03:40,358 INFO L858 garLoopResultBuilder]: For program point L274-2(lines 274 275) no Hoare annotation was computed. [2021-11-25 20:03:40,358 INFO L854 garLoopResultBuilder]: At program point L274-3(lines 274 275) the Hoare annotation is: false [2021-11-25 20:03:40,358 INFO L858 garLoopResultBuilder]: For program point L274-4(lines 272 289) no Hoare annotation was computed. [2021-11-25 20:03:40,358 INFO L858 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2021-11-25 20:03:40,358 INFO L858 garLoopResultBuilder]: For program point L242(lines 196 364) no Hoare annotation was computed. [2021-11-25 20:03:40,359 INFO L854 garLoopResultBuilder]: At program point L341-3(lines 341 345) the Hoare annotation is: false [2021-11-25 20:03:40,359 INFO L858 garLoopResultBuilder]: For program point L341-4(lines 341 345) no Hoare annotation was computed. [2021-11-25 20:03:40,359 INFO L858 garLoopResultBuilder]: For program point L209-2(lines 209 210) no Hoare annotation was computed. [2021-11-25 20:03:40,359 INFO L854 garLoopResultBuilder]: At program point L209-3(lines 209 210) the Hoare annotation is: false [2021-11-25 20:03:40,359 INFO L858 garLoopResultBuilder]: For program point L209-4(lines 209 210) no Hoare annotation was computed. [2021-11-25 20:03:40,359 INFO L858 garLoopResultBuilder]: For program point L507-1(lines 507 512) no Hoare annotation was computed. [2021-11-25 20:03:40,360 INFO L854 garLoopResultBuilder]: At program point L507-2(lines 507 512) the Hoare annotation is: false [2021-11-25 20:03:40,360 INFO L858 garLoopResultBuilder]: For program point L507-3(lines 507 512) no Hoare annotation was computed. [2021-11-25 20:03:40,360 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-11-25 20:03:40,360 INFO L858 garLoopResultBuilder]: For program point L210-2(line 210) no Hoare annotation was computed. [2021-11-25 20:03:40,360 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 83) no Hoare annotation was computed. [2021-11-25 20:03:40,361 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 24 85) no Hoare annotation was computed. [2021-11-25 20:03:40,361 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 83) no Hoare annotation was computed. [2021-11-25 20:03:40,361 INFO L858 garLoopResultBuilder]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2021-11-25 20:03:40,361 INFO L854 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (and (= |ULTIMATE.start_cos_double_~#y~0#1.offset| (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_cos_double_~x#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 20:03:40,361 INFO L858 garLoopResultBuilder]: For program point L607-3(lines 607 611) no Hoare annotation was computed. [2021-11-25 20:03:40,361 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 488) no Hoare annotation was computed. [2021-11-25 20:03:40,362 INFO L858 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2021-11-25 20:03:40,362 INFO L858 garLoopResultBuilder]: For program point L277-1(lines 277 278) no Hoare annotation was computed. [2021-11-25 20:03:40,362 INFO L858 garLoopResultBuilder]: For program point L277-3(lines 277 278) no Hoare annotation was computed. [2021-11-25 20:03:40,362 INFO L854 garLoopResultBuilder]: At program point L277-4(lines 277 278) the Hoare annotation is: false [2021-11-25 20:03:40,362 INFO L858 garLoopResultBuilder]: For program point L277-5(lines 277 278) no Hoare annotation was computed. [2021-11-25 20:03:40,362 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-11-25 20:03:40,363 INFO L858 garLoopResultBuilder]: For program point L311-2(lines 311 314) no Hoare annotation was computed. [2021-11-25 20:03:40,363 INFO L854 garLoopResultBuilder]: At program point L311-3(lines 311 314) the Hoare annotation is: false [2021-11-25 20:03:40,363 INFO L854 garLoopResultBuilder]: At program point L179(lines 166 180) the Hoare annotation is: false [2021-11-25 20:03:40,363 INFO L858 garLoopResultBuilder]: For program point L245-2(lines 245 254) no Hoare annotation was computed. [2021-11-25 20:03:40,363 INFO L858 garLoopResultBuilder]: For program point L311-4(lines 311 314) no Hoare annotation was computed. [2021-11-25 20:03:40,363 INFO L858 garLoopResultBuilder]: For program point L212-2(lines 212 216) no Hoare annotation was computed. [2021-11-25 20:03:40,364 INFO L854 garLoopResultBuilder]: At program point L245-3(lines 245 254) the Hoare annotation is: false [2021-11-25 20:03:40,364 INFO L854 garLoopResultBuilder]: At program point L212-3(lines 212 216) the Hoare annotation is: false [2021-11-25 20:03:40,364 INFO L858 garLoopResultBuilder]: For program point L245-4(lines 242 270) no Hoare annotation was computed. [2021-11-25 20:03:40,364 INFO L858 garLoopResultBuilder]: For program point L212-4(lines 212 216) no Hoare annotation was computed. [2021-11-25 20:03:40,364 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 214) no Hoare annotation was computed. [2021-11-25 20:03:40,364 INFO L854 garLoopResultBuilder]: At program point L213-3(lines 213 214) the Hoare annotation is: false [2021-11-25 20:03:40,365 INFO L858 garLoopResultBuilder]: For program point L213-4(lines 213 214) no Hoare annotation was computed. [2021-11-25 20:03:40,365 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-11-25 20:03:40,365 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 416) no Hoare annotation was computed. [2021-11-25 20:03:40,365 INFO L858 garLoopResultBuilder]: For program point L346-2(lines 346 350) no Hoare annotation was computed. [2021-11-25 20:03:40,365 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-11-25 20:03:40,365 INFO L854 garLoopResultBuilder]: At program point L346-3(lines 346 350) the Hoare annotation is: false [2021-11-25 20:03:40,366 INFO L858 garLoopResultBuilder]: For program point L280-2(lines 280 285) no Hoare annotation was computed. [2021-11-25 20:03:40,366 INFO L858 garLoopResultBuilder]: For program point L346-4(lines 346 350) no Hoare annotation was computed. [2021-11-25 20:03:40,366 INFO L854 garLoopResultBuilder]: At program point L280-3(lines 280 285) the Hoare annotation is: false [2021-11-25 20:03:40,366 INFO L858 garLoopResultBuilder]: For program point L280-4(lines 280 285) no Hoare annotation was computed. [2021-11-25 20:03:40,366 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-11-25 20:03:40,366 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2021-11-25 20:03:40,367 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2021-11-25 20:03:40,367 INFO L858 garLoopResultBuilder]: For program point L513-2(lines 513 516) no Hoare annotation was computed. [2021-11-25 20:03:40,367 INFO L854 garLoopResultBuilder]: At program point L513-3(lines 513 516) the Hoare annotation is: false [2021-11-25 20:03:40,367 INFO L858 garLoopResultBuilder]: For program point L513-4(lines 513 516) no Hoare annotation was computed. [2021-11-25 20:03:40,367 INFO L858 garLoopResultBuilder]: For program point L282-2(lines 282 283) no Hoare annotation was computed. [2021-11-25 20:03:40,367 INFO L854 garLoopResultBuilder]: At program point L282-3(lines 282 283) the Hoare annotation is: false [2021-11-25 20:03:40,367 INFO L858 garLoopResultBuilder]: For program point L282-4(lines 282 283) no Hoare annotation was computed. [2021-11-25 20:03:40,368 INFO L854 garLoopResultBuilder]: At program point L84(lines 24 85) the Hoare annotation is: false [2021-11-25 20:03:40,368 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 649) no Hoare annotation was computed. [2021-11-25 20:03:40,368 INFO L858 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2021-11-25 20:03:40,368 INFO L858 garLoopResultBuilder]: For program point L448-2(lines 448 480) no Hoare annotation was computed. [2021-11-25 20:03:40,368 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 316 320) no Hoare annotation was computed. [2021-11-25 20:03:40,368 INFO L854 garLoopResultBuilder]: At program point L316-3(lines 316 320) the Hoare annotation is: false [2021-11-25 20:03:40,369 INFO L858 garLoopResultBuilder]: For program point L316-4(lines 316 320) no Hoare annotation was computed. [2021-11-25 20:03:40,369 INFO L858 garLoopResultBuilder]: For program point L647(line 647) no Hoare annotation was computed. [2021-11-25 20:03:40,369 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 632) no Hoare annotation was computed. [2021-11-25 20:03:40,369 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 487) no Hoare annotation was computed. [2021-11-25 20:03:40,369 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 20:03:40,369 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 318) no Hoare annotation was computed. [2021-11-25 20:03:40,369 INFO L854 garLoopResultBuilder]: At program point L317-3(lines 317 318) the Hoare annotation is: false [2021-11-25 20:03:40,370 INFO L858 garLoopResultBuilder]: For program point L317-4(lines 317 318) no Hoare annotation was computed. [2021-11-25 20:03:40,370 INFO L854 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: false [2021-11-25 20:03:40,370 INFO L858 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-11-25 20:03:40,370 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 441) no Hoare annotation was computed. [2021-11-25 20:03:40,370 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 351 352) no Hoare annotation was computed. [2021-11-25 20:03:40,370 INFO L854 garLoopResultBuilder]: At program point L351-3(lines 351 352) the Hoare annotation is: false [2021-11-25 20:03:40,371 INFO L858 garLoopResultBuilder]: For program point L351-4(lines 322 362) no Hoare annotation was computed. [2021-11-25 20:03:40,371 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 440) no Hoare annotation was computed. [2021-11-25 20:03:40,371 INFO L854 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (and (= |ULTIMATE.start_cos_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_cos_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 20:03:40,371 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 77) no Hoare annotation was computed. [2021-11-25 20:03:40,371 INFO L861 garLoopResultBuilder]: At program point L650(lines 635 651) the Hoare annotation is: true [2021-11-25 20:03:40,371 INFO L858 garLoopResultBuilder]: For program point L617(lines 617 632) no Hoare annotation was computed. [2021-11-25 20:03:40,372 INFO L854 garLoopResultBuilder]: At program point L287(lines 196 364) the Hoare annotation is: false [2021-11-25 20:03:40,372 INFO L858 garLoopResultBuilder]: For program point L221-2(lines 221 225) no Hoare annotation was computed. [2021-11-25 20:03:40,372 INFO L854 garLoopResultBuilder]: At program point L221-3(lines 221 225) the Hoare annotation is: false [2021-11-25 20:03:40,372 INFO L854 garLoopResultBuilder]: At program point L221-4(lines 221 225) the Hoare annotation is: false [2021-11-25 20:03:40,372 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 59) no Hoare annotation was computed. [2021-11-25 20:03:40,372 INFO L858 garLoopResultBuilder]: For program point L519-1(lines 519 520) no Hoare annotation was computed. [2021-11-25 20:03:40,372 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2021-11-25 20:03:40,373 INFO L854 garLoopResultBuilder]: At program point L519-3(lines 519 520) the Hoare annotation is: false [2021-11-25 20:03:40,373 INFO L858 garLoopResultBuilder]: For program point L519-4(lines 519 520) no Hoare annotation was computed. [2021-11-25 20:03:40,373 INFO L858 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2021-11-25 20:03:40,373 INFO L858 garLoopResultBuilder]: For program point L255-1(lines 242 270) no Hoare annotation was computed. [2021-11-25 20:03:40,373 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2021-11-25 20:03:40,373 INFO L854 garLoopResultBuilder]: At program point L454-2(lines 454 458) the Hoare annotation is: false [2021-11-25 20:03:40,373 INFO L858 garLoopResultBuilder]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2021-11-25 20:03:40,374 INFO L854 garLoopResultBuilder]: At program point L322(lines 322 362) the Hoare annotation is: false [2021-11-25 20:03:40,374 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 20:03:40,374 INFO L854 garLoopResultBuilder]: At program point L256(lines 256 263) the Hoare annotation is: false [2021-11-25 20:03:40,374 INFO L858 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2021-11-25 20:03:40,374 INFO L858 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2021-11-25 20:03:40,374 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-11-25 20:03:40,375 INFO L858 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2021-11-25 20:03:40,375 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: false [2021-11-25 20:03:40,375 INFO L858 garLoopResultBuilder]: For program point L27-3(lines 27 32) no Hoare annotation was computed. [2021-11-25 20:03:40,375 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 631) no Hoare annotation was computed. [2021-11-25 20:03:40,375 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 493) no Hoare annotation was computed. [2021-11-25 20:03:40,375 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 326) no Hoare annotation was computed. [2021-11-25 20:03:40,375 INFO L854 garLoopResultBuilder]: At program point L325-3(lines 325 326) the Hoare annotation is: false [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L325-4(lines 322 362) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L260(line 260) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L854 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: false [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L294-1(lines 294 297) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L854 garLoopResultBuilder]: At program point L294-3(lines 294 297) the Hoare annotation is: false [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L625(line 625) no Hoare annotation was computed. [2021-11-25 20:03:40,376 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 479) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 448 480) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 76) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L854 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: false [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L626-1(line 626) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L854 garLoopResultBuilder]: At program point L527(lines 399 528) the Hoare annotation is: false [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L329-2(line 329) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 74) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 647) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L627(line 627) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L858 garLoopResultBuilder]: For program point L495-1(lines 495 499) no Hoare annotation was computed. [2021-11-25 20:03:40,377 INFO L854 garLoopResultBuilder]: At program point L495-2(lines 495 499) the Hoare annotation is: false [2021-11-25 20:03:40,378 INFO L854 garLoopResultBuilder]: At program point L363(lines 195 364) the Hoare annotation is: false [2021-11-25 20:03:40,378 INFO L858 garLoopResultBuilder]: For program point L330(line 330) no Hoare annotation was computed. [2021-11-25 20:03:40,378 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-11-25 20:03:40,378 INFO L854 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: false [2021-11-25 20:03:40,378 INFO L858 garLoopResultBuilder]: For program point L628-1(line 628) no Hoare annotation was computed. [2021-11-25 20:03:40,378 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 240) no Hoare annotation was computed. [2021-11-25 20:03:40,378 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 77) no Hoare annotation was computed. [2021-11-25 20:03:40,378 INFO L858 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2021-11-25 20:03:40,378 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 438) no Hoare annotation was computed. [2021-11-25 20:03:40,378 INFO L858 garLoopResultBuilder]: For program point L431-2(lines 431 438) no Hoare annotation was computed. [2021-11-25 20:03:40,379 INFO L854 garLoopResultBuilder]: At program point L299(line 299) the Hoare annotation is: false [2021-11-25 20:03:40,379 INFO L858 garLoopResultBuilder]: For program point L299-1(line 299) no Hoare annotation was computed. [2021-11-25 20:03:40,379 INFO L858 garLoopResultBuilder]: For program point L332-2(lines 332 333) no Hoare annotation was computed. [2021-11-25 20:03:40,379 INFO L854 garLoopResultBuilder]: At program point L332-3(lines 332 333) the Hoare annotation is: false [2021-11-25 20:03:40,379 INFO L858 garLoopResultBuilder]: For program point L332-4(lines 322 362) no Hoare annotation was computed. [2021-11-25 20:03:40,379 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 54) no Hoare annotation was computed. [2021-11-25 20:03:40,379 INFO L861 garLoopResultBuilder]: At program point __kernel_sinENTRY(lines 582 602) the Hoare annotation is: true [2021-11-25 20:03:40,380 INFO L858 garLoopResultBuilder]: For program point __kernel_sinFINAL(lines 582 602) no Hoare annotation was computed. [2021-11-25 20:03:40,380 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 594) no Hoare annotation was computed. [2021-11-25 20:03:40,380 INFO L858 garLoopResultBuilder]: For program point L591-2(lines 591 594) no Hoare annotation was computed. [2021-11-25 20:03:40,380 INFO L858 garLoopResultBuilder]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2021-11-25 20:03:40,380 INFO L861 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: true [2021-11-25 20:03:40,380 INFO L858 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2021-11-25 20:03:40,380 INFO L858 garLoopResultBuilder]: For program point __kernel_sinEXIT(lines 582 602) no Hoare annotation was computed. [2021-11-25 20:03:40,380 INFO L858 garLoopResultBuilder]: For program point L598(lines 598 601) no Hoare annotation was computed. [2021-11-25 20:03:40,380 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 593) no Hoare annotation was computed. [2021-11-25 20:03:40,383 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:03:40,385 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:03:40,395 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,396 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,397 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,397 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,399 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,400 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,400 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,400 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 20:03:40,402 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 20:03:40,403 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,404 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,404 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,404 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,404 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,405 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,405 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,405 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,405 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:03:40 BoogieIcfgContainer [2021-11-25 20:03:40,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:03:40,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:03:40,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:03:40,408 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:03:40,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:59:08" (3/4) ... [2021-11-25 20:03:40,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 20:03:40,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-11-25 20:03:40,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-11-25 20:03:40,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cos [2021-11-25 20:03:40,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sin [2021-11-25 20:03:40,439 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-11-25 20:03:40,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-25 20:03:40,441 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-25 20:03:40,442 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 20:03:40,464 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (y == 0bv32 && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-25 20:03:40,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-25 20:03:40,466 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-25 20:03:40,593 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:03:40,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:03:40,594 INFO L158 Benchmark]: Toolchain (without parser) took 326994.75ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 49.6MB in the beginning and 54.0MB in the end (delta: -4.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-11-25 20:03:40,594 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:03:40,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.34ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 32.4MB in the end (delta: 17.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 20:03:40,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.97ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 32.4MB in the beginning and 68.1MB in the end (delta: -35.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-11-25 20:03:40,595 INFO L158 Benchmark]: Boogie Preprocessor took 161.42ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 61.5MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 20:03:40,596 INFO L158 Benchmark]: RCFGBuilder took 53600.59ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 46.4MB in the end (delta: 15.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-11-25 20:03:40,596 INFO L158 Benchmark]: TraceAbstraction took 272065.96ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 40.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-25 20:03:40,596 INFO L158 Benchmark]: Witness Printer took 185.90ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 54.0MB in the end (delta: -14.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-25 20:03:40,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.34ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 32.4MB in the end (delta: 17.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.97ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 32.4MB in the beginning and 68.1MB in the end (delta: -35.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.42ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 61.5MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 53600.59ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 46.4MB in the end (delta: 15.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * TraceAbstraction took 272065.96ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 40.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 185.90ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 54.0MB in the end (delta: -14.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 - PositiveResult [Line: 647]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 272.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 240.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 85 mSolverCounterUnknown, 928 SdHoareTripleChecker+Valid, 237.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 910 mSDsluCounter, 12924 SdHoareTripleChecker+Invalid, 229.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 585 IncrementalHoareTripleChecker+Unchecked, 10240 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 430 IncrementalHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 2684 mSDtfsCounter, 430 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 12.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=323occurred in iteration=6, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 192 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 194 PreInvPairs, 199 NumberOfFragments, 121 HoareAnnotationTreeSize, 194 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 8.0s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 202 ConstructedInterpolants, 47 QuantifiedInterpolants, 1386 SizeOfPredicates, 77 NumberOfNonLiveVariables, 2521 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant [2021-11-25 20:03:40,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant [2021-11-25 20:03:40,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 20:03:40,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-25 20:03:40,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (y == 0bv32 && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant [2021-11-25 20:03:40,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 20:03:40,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-25 20:03:40,834 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-25 20:03:40,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a559839-c86b-4963-8003-db06bf1e7a16/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE