./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.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_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/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_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/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_7738eb34-beff-428e-82eb-a58c9383cc87/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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:17:30,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:17:30,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:17:30,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:17:30,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:17:30,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:17:30,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:17:30,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:17:30,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:17:30,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:17:30,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:17:30,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:17:30,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:17:30,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:17:30,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:17:30,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:17:30,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:17:30,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:17:30,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:17:30,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:17:30,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:17:30,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:17:30,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:17:30,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:17:30,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:17:30,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:17:30,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:17:30,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:17:30,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:17:30,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:17:30,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:17:30,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:17:30,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:17:30,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:17:30,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:17:30,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:17:30,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:17:30,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:17:30,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:17:30,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:17:30,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:17:30,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:17:30,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:17:30,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:17:30,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:17:30,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:17:30,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:17:30,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:17:30,260 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:17:30,260 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:17:30,260 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:17:30,261 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:17:30,262 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:17:30,262 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:17:30,262 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:17:30,263 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:17:30,263 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:17:30,263 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:17:30,263 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:17:30,264 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:17:30,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:17:30,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:17:30,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:17:30,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:17:30,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:17:30,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:17:30,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:17:30,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:17:30,268 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:17:30,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:17:30,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:17:30,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:17:30,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:17:30,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:17:30,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:17:30,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:17:30,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:17:30,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:17:30,271 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:17:30,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:17:30,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:17:30,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:17:30,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:17:30,272 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_7738eb34-beff-428e-82eb-a58c9383cc87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2021-11-25 18:17:30,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:17:30,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:17:30,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:17:30,674 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:17:30,675 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:17:30,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2021-11-25 18:17:30,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data/dddf0b791/7426e42b3f2c42f6ba10a1a7957aa850/FLAGe27afe6de [2021-11-25 18:17:31,338 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:17:31,339 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2021-11-25 18:17:31,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data/dddf0b791/7426e42b3f2c42f6ba10a1a7957aa850/FLAGe27afe6de [2021-11-25 18:17:31,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data/dddf0b791/7426e42b3f2c42f6ba10a1a7957aa850 [2021-11-25 18:17:31,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:17:31,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:17:31,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:17:31,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:17:31,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:17:31,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:17:31" (1/1) ... [2021-11-25 18:17:31,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e7b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:31, skipping insertion in model container [2021-11-25 18:17:31,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:17:31" (1/1) ... [2021-11-25 18:17:31,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:17:31,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:17:32,167 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_7738eb34-beff-428e-82eb-a58c9383cc87/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2021-11-25 18:17:32,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:17:32,240 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:17:32,376 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_7738eb34-beff-428e-82eb-a58c9383cc87/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2021-11-25 18:17:32,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:17:32,451 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:17:32,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32 WrapperNode [2021-11-25 18:17:32,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:17:32,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:17:32,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:17:32,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:17:32,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,586 INFO L137 Inliner]: procedures = 25, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1066 [2021-11-25 18:17:32,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:17:32,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:17:32,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:17:32,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:17:32,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:17:32,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:17:32,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:17:32,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:17:32,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (1/1) ... [2021-11-25 18:17:32,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:17:32,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:17:32,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:17:32,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:17:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:17:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:17:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 18:17:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:17:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-25 18:17:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-25 18:17:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-25 18:17:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-25 18:17:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-25 18:17:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:17:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-25 18:17:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-25 18:17:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-25 18:17:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:17:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2021-11-25 18:17:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2021-11-25 18:17:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:17:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:17:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:17:33,164 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:17:33,179 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:17:34,500 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:17:34,821 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:17:34,822 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-25 18:17:34,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:17:34 BoogieIcfgContainer [2021-11-25 18:17:34,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:17:34,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:17:34,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:17:34,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:17:34,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:17:31" (1/3) ... [2021-11-25 18:17:34,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de823d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:17:34, skipping insertion in model container [2021-11-25 18:17:34,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:32" (2/3) ... [2021-11-25 18:17:34,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de823d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:17:34, skipping insertion in model container [2021-11-25 18:17:34,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:17:34" (3/3) ... [2021-11-25 18:17:34,838 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2021-11-25 18:17:34,849 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:17:34,850 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:17:34,925 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:17:34,946 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 18:17:34,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:17:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 150 states have (on average 1.6933333333333334) internal successors, (254), 151 states have internal predecessors, (254), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:17:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:17:34,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:34,980 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:34,980 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:17:34,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:34,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1439887409, now seen corresponding path program 1 times [2021-11-25 18:17:34,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:34,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23335703] [2021-11-25 18:17:34,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:35,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:35,328 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 18:17:35,328 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:17:35,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23335703] [2021-11-25 18:17:35,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23335703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:17:35,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:17:35,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:17:35,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577040053] [2021-11-25 18:17:35,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:17:35,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:17:35,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:17:35,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:17:35,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:17:35,401 INFO L87 Difference]: Start difference. First operand has 167 states, 150 states have (on average 1.6933333333333334) internal successors, (254), 151 states have internal predecessors, (254), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 18:17:35,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:35,666 INFO L93 Difference]: Finished difference Result 333 states and 562 transitions. [2021-11-25 18:17:35,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:17:35,670 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-25 18:17:35,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:35,686 INFO L225 Difference]: With dead ends: 333 [2021-11-25 18:17:35,686 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 18:17:35,698 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 18:17:35,703 INFO L933 BasicCegarLoop]: 175 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, 175 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:35,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:17:35,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 18:17:35,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-11-25 18:17:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 149 states have (on average 1.3691275167785235) internal successors, (204), 149 states have internal predecessors, (204), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:17:35,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2021-11-25 18:17:35,762 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 9 [2021-11-25 18:17:35,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:35,762 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2021-11-25 18:17:35,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 18:17:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2021-11-25 18:17:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 18:17:35,764 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:35,764 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:35,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:17:35,765 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:17:35,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:35,766 INFO L85 PathProgramCache]: Analyzing trace with hash -364122791, now seen corresponding path program 1 times [2021-11-25 18:17:35,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:35,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060479079] [2021-11-25 18:17:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:35,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:17:35,950 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 18:17:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:17:36,134 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 18:17:36,134 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 18:17:36,137 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 18:17:36,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:17:36,144 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 18:17:36,147 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:17:36,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:17:36 BoogieIcfgContainer [2021-11-25 18:17:36,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:17:36,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:17:36,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:17:36,251 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:17:36,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:17:34" (3/4) ... [2021-11-25 18:17:36,259 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 18:17:36,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:17:36,261 INFO L158 Benchmark]: Toolchain (without parser) took 4623.33ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 62.0MB in the beginning and 49.9MB in the end (delta: 12.1MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-25 18:17:36,263 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:17:36,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.10ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 59.2MB in the end (delta: 2.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-25 18:17:36,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.13ms. Allocated memory is still 104.9MB. Free memory was 59.2MB in the beginning and 52.5MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 18:17:36,272 INFO L158 Benchmark]: Boogie Preprocessor took 179.91ms. Allocated memory is still 104.9MB. Free memory was 52.5MB in the beginning and 45.4MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 18:17:36,274 INFO L158 Benchmark]: RCFGBuilder took 2056.67ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 45.4MB in the beginning and 60.8MB in the end (delta: -15.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2021-11-25 18:17:36,280 INFO L158 Benchmark]: TraceAbstraction took 1421.40ms. Allocated memory is still 125.8MB. Free memory was 60.8MB in the beginning and 50.9MB in the end (delta: 9.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-25 18:17:36,280 INFO L158 Benchmark]: Witness Printer took 10.08ms. Allocated memory is still 125.8MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:17:36,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.10ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 59.2MB in the end (delta: 2.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.13ms. Allocated memory is still 104.9MB. Free memory was 59.2MB in the beginning and 52.5MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.91ms. Allocated memory is still 104.9MB. Free memory was 52.5MB in the beginning and 45.4MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2056.67ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 45.4MB in the beginning and 60.8MB in the end (delta: -15.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1421.40ms. Allocated memory is still 125.8MB. Free memory was 60.8MB in the beginning and 50.9MB in the end (delta: 9.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 10.08ms. Allocated memory is still 125.8MB. Free memory is still 49.9MB. 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: 629]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 628, overapproximation of someUnaryDOUBLEoperation at line 497, overapproximation of bitwiseAnd at line 591, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 596. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L149] static const int init_jk_krempio[] = {4, 7, 9}; [L151-L155] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L334-L352] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L354-L360] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L624] float x = -0.0f; [L625] CALL, EXPR tan_float(x) [L582] float y[2], z = 0.0; [L583] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000001, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L586] ieee_float_shape_type gf_u; [L587] gf_u.value = (x) [L588] EXPR gf_u.word [L588] (ix) = gf_u.word [L591] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000001, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L592] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=1000000000000000000000000000001, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND TRUE !((ix) < 0x7f800000L) [L596] return x - x; [L596] return x - x; VAL [\old(x)=1000000000000000000000000000001, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR tan_float(x) [L625] float res = tan_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000002, res == -0.0f && __signbit_float(res) == 1=0, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000002, T_ktan={8:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000001, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 167 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 175 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, 175 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=167occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 18:17:36,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/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_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/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_7738eb34-beff-428e-82eb-a58c9383cc87/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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:17:39,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:17:39,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:17:39,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:17:39,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:17:39,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:17:39,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:17:39,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:17:39,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:17:39,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:17:39,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:17:39,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:17:39,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:17:39,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:17:39,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:17:39,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:17:39,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:17:39,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:17:39,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:17:39,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:17:39,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:17:39,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:17:39,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:17:39,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:17:39,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:17:39,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:17:39,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:17:39,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:17:39,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:17:39,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:17:39,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:17:39,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:17:39,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:17:39,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:17:39,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:17:39,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:17:39,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:17:39,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:17:39,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:17:39,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:17:39,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:17:39,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 18:17:39,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:17:39,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:17:39,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:17:39,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:17:39,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:17:39,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:17:39,208 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:17:39,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:17:39,209 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:17:39,209 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:17:39,210 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:17:39,210 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:17:39,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:17:39,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:17:39,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:17:39,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:17:39,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:17:39,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:17:39,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:17:39,214 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:17:39,214 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 18:17:39,215 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 18:17:39,215 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:17:39,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:17:39,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:17:39,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:17:39,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:17:39,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 18:17:39,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:17:39,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:17:39,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:17:39,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:17:39,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:17:39,218 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 18:17:39,218 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 18:17:39,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:17:39,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:17:39,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:17:39,220 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_7738eb34-beff-428e-82eb-a58c9383cc87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2021-11-25 18:17:39,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:17:39,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:17:39,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:17:39,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:17:39,673 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:17:39,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2021-11-25 18:17:39,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data/5fec044eb/c0c275060e124904aeaa6b28e12494e3/FLAG3b7aa2c35 [2021-11-25 18:17:40,452 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:17:40,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2021-11-25 18:17:40,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data/5fec044eb/c0c275060e124904aeaa6b28e12494e3/FLAG3b7aa2c35 [2021-11-25 18:17:40,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/data/5fec044eb/c0c275060e124904aeaa6b28e12494e3 [2021-11-25 18:17:40,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:17:40,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:17:40,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:17:40,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:17:40,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:17:40,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:17:40" (1/1) ... [2021-11-25 18:17:40,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72670d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:40, skipping insertion in model container [2021-11-25 18:17:40,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:17:40" (1/1) ... [2021-11-25 18:17:40,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:17:40,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:17:41,279 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_7738eb34-beff-428e-82eb-a58c9383cc87/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2021-11-25 18:17:41,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:17:41,338 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:17:41,503 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_7738eb34-beff-428e-82eb-a58c9383cc87/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2021-11-25 18:17:41,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:17:41,600 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:17:41,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41 WrapperNode [2021-11-25 18:17:41,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:17:41,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:17:41,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:17:41,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:17:41,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,766 INFO L137 Inliner]: procedures = 29, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1064 [2021-11-25 18:17:41,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:17:41,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:17:41,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:17:41,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:17:41,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:17:41,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:17:41,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:17:41,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:17:41,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (1/1) ... [2021-11-25 18:17:41,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:17:41,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:17:42,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:17:42,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:17:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:17:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 18:17:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 18:17:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:17:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-25 18:17:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2021-11-25 18:17:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2021-11-25 18:17:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 18:17:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-25 18:17:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-25 18:17:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-25 18:17:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-25 18:17:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-25 18:17:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-25 18:17:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2021-11-25 18:17:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2021-11-25 18:17:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:17:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:17:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 18:17:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:17:42,379 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:17:42,381 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:18:19,952 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:18:19,964 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:18:19,965 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-25 18:18:19,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:18:19 BoogieIcfgContainer [2021-11-25 18:18:19,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:18:19,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:18:19,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:18:19,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:18:19,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:17:40" (1/3) ... [2021-11-25 18:18:19,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18daba0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:18:19, skipping insertion in model container [2021-11-25 18:18:19,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:17:41" (2/3) ... [2021-11-25 18:18:19,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18daba0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:18:19, skipping insertion in model container [2021-11-25 18:18:19,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:18:19" (3/3) ... [2021-11-25 18:18:19,979 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2021-11-25 18:18:19,985 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:18:19,986 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:18:20,048 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:18:20,056 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 18:18:20,057 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:18:20,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:18:20,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 18:18:20,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:20,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:20,091 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:18:20,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:20,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1661351645, now seen corresponding path program 1 times [2021-11-25 18:18:20,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:18:20,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007054142] [2021-11-25 18:18:20,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:20,118 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:18:20,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:18:20,124 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:18:20,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 18:18:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:21,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 18:18:21,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:18:21,962 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 18:18:21,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:18:21,963 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:18:21,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007054142] [2021-11-25 18:18:21,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2007054142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:21,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:21,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:18:21,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405483460] [2021-11-25 18:18:21,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:21,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:18:21,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:18:22,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:18:22,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:18:22,011 INFO L87 Difference]: Start difference. First operand has 247 states, 230 states have (on average 1.6695652173913043) internal successors, (384), 231 states have internal predecessors, (384), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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 18:18:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:22,083 INFO L93 Difference]: Finished difference Result 492 states and 821 transitions. [2021-11-25 18:18:22,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:18:22,088 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 18:18:22,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:22,102 INFO L225 Difference]: With dead ends: 492 [2021-11-25 18:18:22,102 INFO L226 Difference]: Without dead ends: 244 [2021-11-25 18:18:22,108 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 18:18:22,113 INFO L933 BasicCegarLoop]: 340 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, 340 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 18:18:22,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:18:22,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-11-25 18:18:22,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2021-11-25 18:18:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 228 states have (on average 1.381578947368421) internal successors, (315), 228 states have internal predecessors, (315), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:18:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 337 transitions. [2021-11-25 18:18:22,184 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 337 transitions. Word has length 10 [2021-11-25 18:18:22,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:22,185 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 337 transitions. [2021-11-25 18:18:22,185 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 18:18:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 337 transitions. [2021-11-25 18:18:22,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 18:18:22,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:22,187 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:22,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:18:22,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:18:22,400 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:18:22,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:22,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1285007371, now seen corresponding path program 1 times [2021-11-25 18:18:22,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:18:22,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710699602] [2021-11-25 18:18:22,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:22,403 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:18:22,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:18:22,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:18:22,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 18:18:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:24,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 18:18:24,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:18:24,586 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 18:18:24,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:18:24,587 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:18:24,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710699602] [2021-11-25 18:18:24,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710699602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:24,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:24,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:18:24,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016603004] [2021-11-25 18:18:24,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:24,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:18:24,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:18:24,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:18:24,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:18:24,591 INFO L87 Difference]: Start difference. First operand 244 states and 337 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 18:18:24,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:24,839 INFO L93 Difference]: Finished difference Result 290 states and 390 transitions. [2021-11-25 18:18:24,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:18:24,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 18:18:24,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:24,841 INFO L225 Difference]: With dead ends: 290 [2021-11-25 18:18:24,842 INFO L226 Difference]: Without dead ends: 54 [2021-11-25 18:18:24,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:18:24,847 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 2 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:24,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 231 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2021-11-25 18:18:24,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-25 18:18:24,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-25 18:18:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.183673469387755) internal successors, (58), 49 states have internal predecessors, (58), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:18:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2021-11-25 18:18:24,863 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 11 [2021-11-25 18:18:24,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:24,864 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2021-11-25 18:18:24,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 18:18:24,864 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2021-11-25 18:18:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 18:18:24,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:24,866 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] [2021-11-25 18:18:24,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:18:25,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:18:25,082 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:18:25,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:25,083 INFO L85 PathProgramCache]: Analyzing trace with hash 632012606, now seen corresponding path program 1 times [2021-11-25 18:18:25,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:18:25,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119122269] [2021-11-25 18:18:25,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:25,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:18:25,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:18:25,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:18:25,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 18:18:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:28,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 18:18:28,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:18:29,561 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 18:18:29,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:18:29,562 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:18:29,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119122269] [2021-11-25 18:18:29,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119122269] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:29,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:29,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 18:18:29,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402679901] [2021-11-25 18:18:29,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:29,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:18:29,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:18:29,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:18:29,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:18:29,565 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 18:18:32,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:18:32,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:32,255 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2021-11-25 18:18:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:18:32,291 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 22 [2021-11-25 18:18:32,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:32,293 INFO L225 Difference]: With dead ends: 82 [2021-11-25 18:18:32,294 INFO L226 Difference]: Without dead ends: 54 [2021-11-25 18:18:32,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:18:32,297 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 31 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:32,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 299 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 25 Unchecked, 1.8s Time] [2021-11-25 18:18:32,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-25 18:18:32,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-25 18:18:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:18:32,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2021-11-25 18:18:32,306 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 22 [2021-11-25 18:18:32,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:32,306 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2021-11-25 18:18:32,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 18:18:32,307 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2021-11-25 18:18:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 18:18:32,308 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:32,308 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] [2021-11-25 18:18:32,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:18:32,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:18:32,526 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:18:32,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:32,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2039574363, now seen corresponding path program 1 times [2021-11-25 18:18:32,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:18:32,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546495812] [2021-11-25 18:18:32,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:32,528 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:18:32,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:18:32,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:18:32,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 18:18:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:35,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 18:18:35,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:18:36,666 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 18:18:36,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:18:36,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:18:36,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546495812] [2021-11-25 18:18:36,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546495812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:36,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:36,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:18:36,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132120181] [2021-11-25 18:18:36,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:36,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:18:36,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:18:36,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:18:36,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:18:36,670 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 18:18:39,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:18:43,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:18:44,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:18:46,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:18:46,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:46,950 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2021-11-25 18:18:46,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:18:46,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 23 [2021-11-25 18:18:46,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:46,953 INFO L225 Difference]: With dead ends: 68 [2021-11-25 18:18:46,954 INFO L226 Difference]: Without dead ends: 38 [2021-11-25 18:18:46,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:18:46,955 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 38 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:46,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 157 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2021-11-25 18:18:46,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-25 18:18:46,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-11-25 18:18:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 33 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:18:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2021-11-25 18:18:46,963 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 23 [2021-11-25 18:18:46,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:46,964 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2021-11-25 18:18:46,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 18:18:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-11-25 18:18:46,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 18:18:46,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:46,966 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] [2021-11-25 18:18:47,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:18:47,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:18:47,170 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:18:47,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:47,170 INFO L85 PathProgramCache]: Analyzing trace with hash 521946787, now seen corresponding path program 1 times [2021-11-25 18:18:47,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:18:47,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291618213] [2021-11-25 18:18:47,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:47,172 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:18:47,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:18:47,173 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:18:47,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 18:18:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:48,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 18:18:48,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:18:49,812 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 18:18:49,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:18:49,812 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:18:49,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291618213] [2021-11-25 18:18:49,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291618213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:49,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:49,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 18:18:49,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353926054] [2021-11-25 18:18:49,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:49,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 18:18:49,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:18:49,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 18:18:49,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:18:49,816 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 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 18:18:51,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:18:53,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:53,826 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2021-11-25 18:18:53,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 18:18:53,827 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 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 23 [2021-11-25 18:18:53,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:53,828 INFO L225 Difference]: With dead ends: 54 [2021-11-25 18:18:53,828 INFO L226 Difference]: Without dead ends: 51 [2021-11-25 18:18:53,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-11-25 18:18:53,830 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 38 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:53,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 215 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-25 18:18:53,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-25 18:18:53,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2021-11-25 18:18:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:18:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2021-11-25 18:18:53,838 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 23 [2021-11-25 18:18:53,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:53,838 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2021-11-25 18:18:53,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 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 18:18:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2021-11-25 18:18:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 18:18:53,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:53,840 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] [2021-11-25 18:18:53,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-25 18:18:54,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:18:54,056 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:18:54,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:54,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1202005157, now seen corresponding path program 1 times [2021-11-25 18:18:54,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:18:54,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453060068] [2021-11-25 18:18:54,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:54,058 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:18:54,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:18:54,059 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:18:54,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-25 18:18:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:55,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:18:55,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:18:56,257 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 18:18:56,258 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:18:56,258 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:18:56,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453060068] [2021-11-25 18:18:56,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453060068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:56,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:56,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:18:56,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475866958] [2021-11-25 18:18:56,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:56,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:18:56,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:18:56,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:18:56,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:18:56,261 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 18:18:58,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:18:58,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:58,093 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2021-11-25 18:18:58,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:18:58,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 23 [2021-11-25 18:18:58,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:58,094 INFO L225 Difference]: With dead ends: 51 [2021-11-25 18:18:58,094 INFO L226 Difference]: Without dead ends: 28 [2021-11-25 18:18:58,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:18:58,096 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 7 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:58,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 89 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:18:58,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-25 18:18:58,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-25 18:18:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 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 18:18:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-11-25 18:18:58,101 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 23 [2021-11-25 18:18:58,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:58,102 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-11-25 18:18:58,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 18:18:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-11-25 18:18:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 18:18:58,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:58,104 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] [2021-11-25 18:18:58,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-25 18:18:58,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:18:58,311 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:18:58,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:58,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1963668792, now seen corresponding path program 1 times [2021-11-25 18:18:58,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:18:58,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085973685] [2021-11-25 18:18:58,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:58,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:18:58,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:18:58,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:18:58,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-25 18:18:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:59,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-25 18:18:59,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:19:01,753 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 18:19:01,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:19:01,753 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:19:01,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085973685] [2021-11-25 18:19:01,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085973685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:01,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:01,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-25 18:19:01,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724546466] [2021-11-25 18:19:01,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:01,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:01,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:19:01,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:01,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:01,758 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 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 18:19:04,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:04,808 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-11-25 18:19:04,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 18:19:04,809 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 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 27 [2021-11-25 18:19:04,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:04,810 INFO L225 Difference]: With dead ends: 28 [2021-11-25 18:19:04,810 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 18:19:04,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2021-11-25 18:19:04,812 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:04,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 130 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:19:04,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 18:19:04,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 18:19:04,814 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 18:19:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 18:19:04,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-11-25 18:19:04,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:04,814 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 18:19:04,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 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 18:19:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 18:19:04,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 18:19:04,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 18:19:04,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-25 18:19:05,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:19:05,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 18:19:07,163 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 59 77) no Hoare annotation was computed. [2021-11-25 18:19:07,163 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 59 77) no Hoare annotation was computed. [2021-11-25 18:19:07,163 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-11-25 18:19:07,163 INFO L858 garLoopResultBuilder]: For program point L71-1(lines 59 77) no Hoare annotation was computed. [2021-11-25 18:19:07,163 INFO L858 garLoopResultBuilder]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2021-11-25 18:19:07,163 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-11-25 18:19:07,164 INFO L861 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: true [2021-11-25 18:19:07,164 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 59 77) the Hoare annotation is: true [2021-11-25 18:19:07,164 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 59 77) no Hoare annotation was computed. [2021-11-25 18:19:07,164 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-11-25 18:19:07,164 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 517) no Hoare annotation was computed. [2021-11-25 18:19:07,164 INFO L858 garLoopResultBuilder]: For program point L510-2(lines 501 579) no Hoare annotation was computed. [2021-11-25 18:19:07,164 INFO L858 garLoopResultBuilder]: For program point __kernel_tanfFINAL(lines 501 579) no Hoare annotation was computed. [2021-11-25 18:19:07,164 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 522) no Hoare annotation was computed. [2021-11-25 18:19:07,165 INFO L858 garLoopResultBuilder]: For program point L519-2(lines 519 522) no Hoare annotation was computed. [2021-11-25 18:19:07,165 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-11-25 18:19:07,165 INFO L858 garLoopResultBuilder]: For program point L515-2(line 515) no Hoare annotation was computed. [2021-11-25 18:19:07,165 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 516) no Hoare annotation was computed. [2021-11-25 18:19:07,165 INFO L858 garLoopResultBuilder]: For program point __kernel_tanfEXIT(lines 501 579) no Hoare annotation was computed. [2021-11-25 18:19:07,165 INFO L861 garLoopResultBuilder]: At program point __kernel_tanfENTRY(lines 501 579) the Hoare annotation is: true [2021-11-25 18:19:07,165 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 515) no Hoare annotation was computed. [2021-11-25 18:19:07,165 INFO L858 garLoopResultBuilder]: For program point L504-1(lines 504 508) no Hoare annotation was computed. [2021-11-25 18:19:07,165 INFO L854 garLoopResultBuilder]: At program point L504-2(lines 504 508) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|)) [2021-11-25 18:19:07,166 INFO L858 garLoopResultBuilder]: For program point L504-3(lines 504 508) no Hoare annotation was computed. [2021-11-25 18:19:07,166 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 566 570) no Hoare annotation was computed. [2021-11-25 18:19:07,166 INFO L854 garLoopResultBuilder]: At program point L566-2(lines 566 570) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2021-11-25 18:19:07,166 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 554 558) no Hoare annotation was computed. [2021-11-25 18:19:07,167 INFO L854 garLoopResultBuilder]: At program point L554-2(lines 554 558) the Hoare annotation is: (exists ((__kernel_tanf_~hx~2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __kernel_tanf_~hx~2) ((_ extract 30 23) __kernel_tanf_~hx~2) ((_ extract 22 0) __kernel_tanf_~hx~2)) |__kernel_tanf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __kernel_tanf_~hx~2) (_ bv830472192 32))))) [2021-11-25 18:19:07,167 INFO L854 garLoopResultBuilder]: At program point L513(line 513) the Hoare annotation is: (and (= |__kernel_tanf_#in~x| __kernel_tanf_~x) (= __kernel_tanf_~iy |__kernel_tanf_#in~iy|) (not (= (_ bv1 32) |__kernel_tanf_#in~iy|))) [2021-11-25 18:19:07,167 INFO L858 garLoopResultBuilder]: For program point L513-1(line 513) no Hoare annotation was computed. [2021-11-25 18:19:07,167 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2021-11-25 18:19:07,167 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-11-25 18:19:07,167 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 549 578) no Hoare annotation was computed. [2021-11-25 18:19:07,168 INFO L858 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2021-11-25 18:19:07,168 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2021-11-25 18:19:07,168 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 549 578) no Hoare annotation was computed. [2021-11-25 18:19:07,168 INFO L858 garLoopResultBuilder]: For program point L559-2(lines 559 563) no Hoare annotation was computed. [2021-11-25 18:19:07,168 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 518 527) no Hoare annotation was computed. [2021-11-25 18:19:07,168 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 578) no Hoare annotation was computed. [2021-11-25 18:19:07,168 INFO L858 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 134 147) no Hoare annotation was computed. [2021-11-25 18:19:07,168 INFO L858 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 134 147) no Hoare annotation was computed. [2021-11-25 18:19:07,168 INFO L861 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 134 147) the Hoare annotation is: true [2021-11-25 18:19:07,169 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-11-25 18:19:07,169 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 134 147) no Hoare annotation was computed. [2021-11-25 18:19:07,169 INFO L858 garLoopResultBuilder]: For program point L141-2(lines 141 145) no Hoare annotation was computed. [2021-11-25 18:19:07,169 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2021-11-25 18:19:07,169 INFO L861 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: true [2021-11-25 18:19:07,169 INFO L854 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: false [2021-11-25 18:19:07,170 INFO L858 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-11-25 18:19:07,170 INFO L858 garLoopResultBuilder]: For program point L300-2(lines 300 301) no Hoare annotation was computed. [2021-11-25 18:19:07,170 INFO L854 garLoopResultBuilder]: At program point L300-3(lines 300 301) the Hoare annotation is: false [2021-11-25 18:19:07,170 INFO L858 garLoopResultBuilder]: For program point L300-4(lines 290 330) no Hoare annotation was computed. [2021-11-25 18:19:07,170 INFO L858 garLoopResultBuilder]: For program point L433(lines 433 452) no Hoare annotation was computed. [2021-11-25 18:19:07,170 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 421 453) no Hoare annotation was computed. [2021-11-25 18:19:07,170 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 275) no Hoare annotation was computed. [2021-11-25 18:19:07,170 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 236) no Hoare annotation was computed. [2021-11-25 18:19:07,171 INFO L854 garLoopResultBuilder]: At program point L268-2(lines 259 276) the Hoare annotation is: false [2021-11-25 18:19:07,171 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2021-11-25 18:19:07,171 INFO L858 garLoopResultBuilder]: For program point L302-1(line 302) no Hoare annotation was computed. [2021-11-25 18:19:07,171 INFO L854 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: false [2021-11-25 18:19:07,171 INFO L858 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2021-11-25 18:19:07,171 INFO L861 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2021-11-25 18:19:07,171 INFO L854 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: false [2021-11-25 18:19:07,172 INFO L858 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2021-11-25 18:19:07,172 INFO L854 garLoopResultBuilder]: At program point L600-2(lines 581 602) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0))) [2021-11-25 18:19:07,172 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 172) no Hoare annotation was computed. [2021-11-25 18:19:07,172 INFO L858 garLoopResultBuilder]: For program point L171-2(lines 171 172) no Hoare annotation was computed. [2021-11-25 18:19:07,173 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 43) no Hoare annotation was computed. [2021-11-25 18:19:07,173 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2021-11-25 18:19:07,173 INFO L854 garLoopResultBuilder]: At program point L469-2(lines 469 473) the Hoare annotation is: false [2021-11-25 18:19:07,173 INFO L858 garLoopResultBuilder]: For program point L469-3(lines 469 473) no Hoare annotation was computed. [2021-11-25 18:19:07,173 INFO L858 garLoopResultBuilder]: For program point L304-2(lines 304 305) no Hoare annotation was computed. [2021-11-25 18:19:07,174 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 208) no Hoare annotation was computed. [2021-11-25 18:19:07,174 INFO L854 garLoopResultBuilder]: At program point L304-3(lines 304 305) the Hoare annotation is: false [2021-11-25 18:19:07,174 INFO L858 garLoopResultBuilder]: For program point L304-4(lines 290 330) no Hoare annotation was computed. [2021-11-25 18:19:07,174 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2021-11-25 18:19:07,174 INFO L858 garLoopResultBuilder]: For program point L40-2(lines 40 41) no Hoare annotation was computed. [2021-11-25 18:19:07,175 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 411) no Hoare annotation was computed. [2021-11-25 18:19:07,175 INFO L858 garLoopResultBuilder]: For program point L404-2(lines 404 411) no Hoare annotation was computed. [2021-11-25 18:19:07,175 INFO L858 garLoopResultBuilder]: For program point L306-1(line 306) no Hoare annotation was computed. [2021-11-25 18:19:07,175 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 208) no Hoare annotation was computed. [2021-11-25 18:19:07,175 INFO L858 garLoopResultBuilder]: For program point L240-1(lines 162 332) no Hoare annotation was computed. [2021-11-25 18:19:07,176 INFO L858 garLoopResultBuilder]: For program point L207-2(lines 162 332) no Hoare annotation was computed. [2021-11-25 18:19:07,176 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2021-11-25 18:19:07,176 INFO L854 garLoopResultBuilder]: At program point L439-2(lines 439 443) the Hoare annotation is: false [2021-11-25 18:19:07,176 INFO L858 garLoopResultBuilder]: For program point L439-3(lines 439 443) no Hoare annotation was computed. [2021-11-25 18:19:07,176 INFO L858 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2021-11-25 18:19:07,177 INFO L858 garLoopResultBuilder]: For program point L242-2(lines 242 243) no Hoare annotation was computed. [2021-11-25 18:19:07,177 INFO L854 garLoopResultBuilder]: At program point L242-3(lines 242 243) the Hoare annotation is: false [2021-11-25 18:19:07,177 INFO L858 garLoopResultBuilder]: For program point L242-4(lines 240 257) no Hoare annotation was computed. [2021-11-25 18:19:07,177 INFO L858 garLoopResultBuilder]: For program point L474-2(lines 474 477) no Hoare annotation was computed. [2021-11-25 18:19:07,178 INFO L854 garLoopResultBuilder]: At program point L474-3(lines 474 477) the Hoare annotation is: false [2021-11-25 18:19:07,178 INFO L858 garLoopResultBuilder]: For program point L474-4(lines 474 477) no Hoare annotation was computed. [2021-11-25 18:19:07,178 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 313) no Hoare annotation was computed. [2021-11-25 18:19:07,178 INFO L858 garLoopResultBuilder]: For program point L210(lines 162 332) no Hoare annotation was computed. [2021-11-25 18:19:07,178 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 313) the Hoare annotation is: false [2021-11-25 18:19:07,179 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 309 313) no Hoare annotation was computed. [2021-11-25 18:19:07,179 INFO L858 garLoopResultBuilder]: For program point L177-2(lines 177 178) no Hoare annotation was computed. [2021-11-25 18:19:07,179 INFO L854 garLoopResultBuilder]: At program point L177-3(lines 177 178) the Hoare annotation is: false [2021-11-25 18:19:07,179 INFO L858 garLoopResultBuilder]: For program point L177-4(lines 177 178) no Hoare annotation was computed. [2021-11-25 18:19:07,179 INFO L858 garLoopResultBuilder]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2021-11-25 18:19:07,180 INFO L854 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2021-11-25 18:19:07,180 INFO L858 garLoopResultBuilder]: For program point L607-3(lines 607 611) no Hoare annotation was computed. [2021-11-25 18:19:07,180 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-25 18:19:07,180 INFO L858 garLoopResultBuilder]: For program point L178-2(line 178) no Hoare annotation was computed. [2021-11-25 18:19:07,180 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 49) no Hoare annotation was computed. [2021-11-25 18:19:07,181 INFO L858 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2021-11-25 18:19:07,181 INFO L858 garLoopResultBuilder]: For program point L245-1(lines 245 246) no Hoare annotation was computed. [2021-11-25 18:19:07,181 INFO L858 garLoopResultBuilder]: For program point L245-3(lines 245 246) no Hoare annotation was computed. [2021-11-25 18:19:07,181 INFO L854 garLoopResultBuilder]: At program point L245-4(lines 245 246) the Hoare annotation is: false [2021-11-25 18:19:07,181 INFO L858 garLoopResultBuilder]: For program point L245-5(lines 245 246) no Hoare annotation was computed. [2021-11-25 18:19:07,182 INFO L858 garLoopResultBuilder]: For program point L279-2(lines 279 282) no Hoare annotation was computed. [2021-11-25 18:19:07,182 INFO L854 garLoopResultBuilder]: At program point L279-3(lines 279 282) the Hoare annotation is: false [2021-11-25 18:19:07,182 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 222) no Hoare annotation was computed. [2021-11-25 18:19:07,182 INFO L858 garLoopResultBuilder]: For program point L279-4(lines 279 282) no Hoare annotation was computed. [2021-11-25 18:19:07,182 INFO L858 garLoopResultBuilder]: For program point L180-2(lines 180 184) no Hoare annotation was computed. [2021-11-25 18:19:07,183 INFO L854 garLoopResultBuilder]: At program point L213-3(lines 213 222) the Hoare annotation is: false [2021-11-25 18:19:07,183 INFO L854 garLoopResultBuilder]: At program point L180-3(lines 180 184) the Hoare annotation is: false [2021-11-25 18:19:07,183 INFO L858 garLoopResultBuilder]: For program point L213-4(lines 210 238) no Hoare annotation was computed. [2021-11-25 18:19:07,183 INFO L858 garLoopResultBuilder]: For program point L180-4(lines 180 184) no Hoare annotation was computed. [2021-11-25 18:19:07,183 INFO L858 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2021-11-25 18:19:07,184 INFO L858 garLoopResultBuilder]: For program point L379-1(lines 379 383) no Hoare annotation was computed. [2021-11-25 18:19:07,184 INFO L854 garLoopResultBuilder]: At program point L379-2(lines 379 383) the Hoare annotation is: false [2021-11-25 18:19:07,184 INFO L858 garLoopResultBuilder]: For program point L379-3(lines 379 383) no Hoare annotation was computed. [2021-11-25 18:19:07,184 INFO L858 garLoopResultBuilder]: For program point L181-2(lines 181 182) no Hoare annotation was computed. [2021-11-25 18:19:07,184 INFO L854 garLoopResultBuilder]: At program point L181-3(lines 181 182) the Hoare annotation is: false [2021-11-25 18:19:07,185 INFO L858 garLoopResultBuilder]: For program point L181-4(lines 181 182) no Hoare annotation was computed. [2021-11-25 18:19:07,185 INFO L858 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2021-11-25 18:19:07,185 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2021-11-25 18:19:07,185 INFO L854 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2021-11-25 18:19:07,185 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 253) no Hoare annotation was computed. [2021-11-25 18:19:07,186 INFO L858 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2021-11-25 18:19:07,186 INFO L854 garLoopResultBuilder]: At program point L248-3(lines 248 253) the Hoare annotation is: false [2021-11-25 18:19:07,186 INFO L858 garLoopResultBuilder]: For program point L248-4(lines 248 253) no Hoare annotation was computed. [2021-11-25 18:19:07,186 INFO L858 garLoopResultBuilder]: For program point L480-1(lines 480 481) no Hoare annotation was computed. [2021-11-25 18:19:07,186 INFO L854 garLoopResultBuilder]: At program point L480-3(lines 480 481) the Hoare annotation is: false [2021-11-25 18:19:07,187 INFO L858 garLoopResultBuilder]: For program point L480-4(lines 480 481) no Hoare annotation was computed. [2021-11-25 18:19:07,187 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 219) no Hoare annotation was computed. [2021-11-25 18:19:07,187 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 55) no Hoare annotation was computed. [2021-11-25 18:19:07,187 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 16 57) no Hoare annotation was computed. [2021-11-25 18:19:07,187 INFO L858 garLoopResultBuilder]: For program point L51-2(lines 51 55) no Hoare annotation was computed. [2021-11-25 18:19:07,188 INFO L854 garLoopResultBuilder]: At program point L613(lines 604 614) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short141#1| (= |ULTIMATE.start_tan_float_#res#1| .cse0) (= (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~2#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~2#1|)) .cse0) (= |ULTIMATE.start_tan_float_~x#1| .cse0) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2021-11-25 18:19:07,188 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 461) no Hoare annotation was computed. [2021-11-25 18:19:07,188 INFO L858 garLoopResultBuilder]: For program point L250-2(lines 250 251) no Hoare annotation was computed. [2021-11-25 18:19:07,188 INFO L854 garLoopResultBuilder]: At program point L250-3(lines 250 251) the Hoare annotation is: false [2021-11-25 18:19:07,188 INFO L858 garLoopResultBuilder]: For program point L250-4(lines 250 251) no Hoare annotation was computed. [2021-11-25 18:19:07,189 INFO L858 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2021-11-25 18:19:07,189 INFO L854 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2021-11-25 18:19:07,189 INFO L858 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2021-11-25 18:19:07,189 INFO L854 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: false [2021-11-25 18:19:07,189 INFO L858 garLoopResultBuilder]: For program point L416-1(line 416) no Hoare annotation was computed. [2021-11-25 18:19:07,190 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 18:19:07,190 INFO L858 garLoopResultBuilder]: For program point L284-2(lines 284 288) no Hoare annotation was computed. [2021-11-25 18:19:07,190 INFO L854 garLoopResultBuilder]: At program point L284-3(lines 284 288) the Hoare annotation is: false [2021-11-25 18:19:07,190 INFO L858 garLoopResultBuilder]: For program point L284-4(lines 284 288) no Hoare annotation was computed. [2021-11-25 18:19:07,190 INFO L858 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-11-25 18:19:07,190 INFO L858 garLoopResultBuilder]: For program point L285-2(lines 285 286) no Hoare annotation was computed. [2021-11-25 18:19:07,191 INFO L854 garLoopResultBuilder]: At program point L285-3(lines 285 286) the Hoare annotation is: false [2021-11-25 18:19:07,191 INFO L858 garLoopResultBuilder]: For program point L285-4(lines 285 286) no Hoare annotation was computed. [2021-11-25 18:19:07,191 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 389) no Hoare annotation was computed. [2021-11-25 18:19:07,191 INFO L858 garLoopResultBuilder]: For program point L319-2(lines 319 320) no Hoare annotation was computed. [2021-11-25 18:19:07,191 INFO L854 garLoopResultBuilder]: At program point L319-3(lines 319 320) the Hoare annotation is: false [2021-11-25 18:19:07,192 INFO L858 garLoopResultBuilder]: For program point L319-4(lines 290 330) no Hoare annotation was computed. [2021-11-25 18:19:07,192 INFO L854 garLoopResultBuilder]: At program point L56(lines 16 57) the Hoare annotation is: false [2021-11-25 18:19:07,192 INFO L858 garLoopResultBuilder]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2021-11-25 18:19:07,192 INFO L854 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: (= |ULTIMATE.start_tan_float_~x#1| (fp.neg (_ +zero 8 24))) [2021-11-25 18:19:07,192 INFO L858 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2021-11-25 18:19:07,193 INFO L854 garLoopResultBuilder]: At program point L255(lines 162 332) the Hoare annotation is: false [2021-11-25 18:19:07,193 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-25 18:19:07,193 INFO L854 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2021-11-25 18:19:07,193 INFO L854 garLoopResultBuilder]: At program point L189-4(lines 189 193) the Hoare annotation is: false [2021-11-25 18:19:07,193 INFO L858 garLoopResultBuilder]: For program point L421(line 421) no Hoare annotation was computed. [2021-11-25 18:19:07,194 INFO L858 garLoopResultBuilder]: For program point L421-2(lines 421 453) no Hoare annotation was computed. [2021-11-25 18:19:07,194 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 18:19:07,194 INFO L858 garLoopResultBuilder]: For program point L223-1(lines 210 238) no Hoare annotation was computed. [2021-11-25 18:19:07,194 INFO L854 garLoopResultBuilder]: At program point L488(lines 373 489) the Hoare annotation is: false [2021-11-25 18:19:07,194 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 460) no Hoare annotation was computed. [2021-11-25 18:19:07,194 INFO L854 garLoopResultBuilder]: At program point L290(lines 290 330) the Hoare annotation is: false [2021-11-25 18:19:07,195 INFO L854 garLoopResultBuilder]: At program point L224(lines 224 231) the Hoare annotation is: false [2021-11-25 18:19:07,195 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 50) no Hoare annotation was computed. [2021-11-25 18:19:07,195 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 414) no Hoare annotation was computed. [2021-11-25 18:19:07,195 INFO L858 garLoopResultBuilder]: For program point L291(line 291) no Hoare annotation was computed. [2021-11-25 18:19:07,195 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-11-25 18:19:07,196 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 44) no Hoare annotation was computed. [2021-11-25 18:19:07,196 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 413) no Hoare annotation was computed. [2021-11-25 18:19:07,196 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 18:19:07,196 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 34) no Hoare annotation was computed. [2021-11-25 18:19:07,196 INFO L858 garLoopResultBuilder]: For program point L293-2(lines 293 294) no Hoare annotation was computed. [2021-11-25 18:19:07,197 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 294) the Hoare annotation is: false [2021-11-25 18:19:07,197 INFO L858 garLoopResultBuilder]: For program point L293-4(lines 290 330) no Hoare annotation was computed. [2021-11-25 18:19:07,197 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2021-11-25 18:19:07,197 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 400) no Hoare annotation was computed. [2021-11-25 18:19:07,197 INFO L858 garLoopResultBuilder]: For program point L393-2(lines 393 400) no Hoare annotation was computed. [2021-11-25 18:19:07,197 INFO L858 garLoopResultBuilder]: For program point L228(line 228) no Hoare annotation was computed. [2021-11-25 18:19:07,198 INFO L858 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2021-11-25 18:19:07,198 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 601) no Hoare annotation was computed. [2021-11-25 18:19:07,198 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 427 431) no Hoare annotation was computed. [2021-11-25 18:19:07,198 INFO L854 garLoopResultBuilder]: At program point L427-2(lines 427 431) the Hoare annotation is: false [2021-11-25 18:19:07,198 INFO L858 garLoopResultBuilder]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2021-11-25 18:19:07,199 INFO L858 garLoopResultBuilder]: For program point L295-1(line 295) no Hoare annotation was computed. [2021-11-25 18:19:07,199 INFO L858 garLoopResultBuilder]: For program point L262-1(lines 262 265) no Hoare annotation was computed. [2021-11-25 18:19:07,199 INFO L854 garLoopResultBuilder]: At program point L262-3(lines 262 265) the Hoare annotation is: false [2021-11-25 18:19:07,199 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-25 18:19:07,199 INFO L854 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (= |ULTIMATE.start_tan_float_~x#1| (fp.neg (_ +zero 8 24))) [2021-11-25 18:19:07,200 INFO L858 garLoopResultBuilder]: For program point L593-1(line 593) no Hoare annotation was computed. [2021-11-25 18:19:07,200 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 18:19:07,200 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2021-11-25 18:19:07,200 INFO L858 garLoopResultBuilder]: For program point L297(line 297) no Hoare annotation was computed. [2021-11-25 18:19:07,200 INFO L858 garLoopResultBuilder]: For program point L297-2(line 297) no Hoare annotation was computed. [2021-11-25 18:19:07,201 INFO L858 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2021-11-25 18:19:07,201 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2021-11-25 18:19:07,201 INFO L858 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2021-11-25 18:19:07,201 INFO L858 garLoopResultBuilder]: For program point L463(lines 463 466) no Hoare annotation was computed. [2021-11-25 18:19:07,201 INFO L854 garLoopResultBuilder]: At program point L331(lines 161 332) the Hoare annotation is: false [2021-11-25 18:19:07,202 INFO L858 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2021-11-25 18:19:07,202 INFO L858 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2021-11-25 18:19:07,202 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2021-11-25 18:19:07,202 INFO L861 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2021-11-25 18:19:07,202 INFO L858 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2021-11-25 18:19:07,202 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 111) no Hoare annotation was computed. [2021-11-25 18:19:07,202 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2021-11-25 18:19:07,202 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 108) no Hoare annotation was computed. [2021-11-25 18:19:07,202 INFO L858 garLoopResultBuilder]: For program point L98-2(lines 98 108) no Hoare annotation was computed. [2021-11-25 18:19:07,202 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 95) no Hoare annotation was computed. [2021-11-25 18:19:07,203 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2021-11-25 18:19:07,203 INFO L861 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: true [2021-11-25 18:19:07,203 INFO L858 garLoopResultBuilder]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2021-11-25 18:19:07,203 INFO L861 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: true [2021-11-25 18:19:07,203 INFO L858 garLoopResultBuilder]: For program point L111-1(line 111) no Hoare annotation was computed. [2021-11-25 18:19:07,204 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 83 133) no Hoare annotation was computed. [2021-11-25 18:19:07,204 INFO L861 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: true [2021-11-25 18:19:07,204 INFO L858 garLoopResultBuilder]: For program point L124-1(line 124) no Hoare annotation was computed. [2021-11-25 18:19:07,204 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2021-11-25 18:19:07,204 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2021-11-25 18:19:07,204 INFO L861 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: true [2021-11-25 18:19:07,205 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2021-11-25 18:19:07,205 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 119) no Hoare annotation was computed. [2021-11-25 18:19:07,205 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 83 133) no Hoare annotation was computed. [2021-11-25 18:19:07,205 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 83 133) the Hoare annotation is: true [2021-11-25 18:19:07,205 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 100 104) no Hoare annotation was computed. [2021-11-25 18:19:07,206 INFO L861 garLoopResultBuilder]: At program point L100-2(lines 100 104) the Hoare annotation is: true [2021-11-25 18:19:07,206 INFO L858 garLoopResultBuilder]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2021-11-25 18:19:07,206 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 97) no Hoare annotation was computed. [2021-11-25 18:19:07,206 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 124) no Hoare annotation was computed. [2021-11-25 18:19:07,206 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2021-11-25 18:19:07,207 INFO L861 garLoopResultBuilder]: At program point L113-2(lines 113 117) the Hoare annotation is: true [2021-11-25 18:19:07,207 INFO L858 garLoopResultBuilder]: For program point L113-3(lines 113 117) no Hoare annotation was computed. [2021-11-25 18:19:07,211 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:07,213 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:19:07,237 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,238 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,239 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,239 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,242 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:19:07 BoogieIcfgContainer [2021-11-25 18:19:07,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:19:07,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:19:07,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:19:07,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:19:07,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:18:19" (3/4) ... [2021-11-25 18:19:07,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 18:19:07,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2021-11-25 18:19:07,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-25 18:19:07,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-25 18:19:07,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2021-11-25 18:19:07,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2021-11-25 18:19:07,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-25 18:19:07,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-25 18:19:07,297 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 18:19:07,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x && iy == \old(iy) [2021-11-25 18:19:07,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-25 18:19:07,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-25 18:19:07,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-11-25 18:19:07,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) [2021-11-25 18:19:07,700 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:19:07,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:19:07,702 INFO L158 Benchmark]: Toolchain (without parser) took 87014.17ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 37.6MB in the beginning and 33.6MB in the end (delta: 4.0MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2021-11-25 18:19:07,702 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:19:07,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.54ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 33.8MB in the end (delta: 3.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-11-25 18:19:07,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.95ms. Allocated memory is still 60.8MB. Free memory was 33.6MB in the beginning and 26.7MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 18:19:07,703 INFO L158 Benchmark]: Boogie Preprocessor took 183.96ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 26.7MB in the beginning and 56.9MB in the end (delta: -30.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-11-25 18:19:07,704 INFO L158 Benchmark]: RCFGBuilder took 38016.73ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 49.0MB in the end (delta: 7.9MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2021-11-25 18:19:07,704 INFO L158 Benchmark]: TraceAbstraction took 47274.35ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 41.0MB in the end (delta: 7.7MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2021-11-25 18:19:07,705 INFO L158 Benchmark]: Witness Printer took 455.56ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 33.6MB in the end (delta: 7.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-25 18:19:07,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.54ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 33.8MB in the end (delta: 3.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.95ms. Allocated memory is still 60.8MB. Free memory was 33.6MB in the beginning and 26.7MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 183.96ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 26.7MB in the beginning and 56.9MB in the end (delta: -30.2MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * RCFGBuilder took 38016.73ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 49.0MB in the end (delta: 7.9MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * TraceAbstraction took 47274.35ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 41.0MB in the end (delta: 7.7MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 455.56ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 33.6MB in the end (delta: 7.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] * 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: 629]: 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, 247 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 18.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 1461 SdHoareTripleChecker+Invalid, 17.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 28 IncrementalHoareTripleChecker+Unchecked, 872 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 255 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 589 mSDtfsCounter, 255 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=0, InterpolantAutomatonStates: 46, 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, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 150 PreInvPairs, 163 NumberOfFragments, 170 HoareAnnotationTreeSize, 150 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 13.8s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 132 ConstructedInterpolants, 7 QuantifiedInterpolants, 478 SizeOfPredicates, 35 NumberOfNonLiveVariables, 2798 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: \old(x) == x && iy == \old(iy) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 554]: Loop Invariant [2021-11-25 18:19:07,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant [2021-11-25 18:19:07,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] [2021-11-25 18:19:07,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__kernel_tanf_~hx~2,QUANTIFIED] Derived loop invariant: (\exists __kernel_tanf_~hx~2 : bv32 :: ~fp~LONGDOUBLE(__kernel_tanf_~hx~2[31:31], __kernel_tanf_~hx~2[30:23], __kernel_tanf_~hx~2[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __kernel_tanf_~hx~2), 830472192bv32)) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-25 18:19:07,962 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-25 18:19:07,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7738eb34-beff-428e-82eb-a58c9383cc87/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 Writing output log to file Ultimate.log Result: TRUE