./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce ................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:49:54,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:49:54,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:49:54,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:49:54,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:49:54,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:49:54,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:49:54,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:49:54,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:49:54,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:49:54,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:49:54,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:49:54,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:49:54,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:49:54,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:49:54,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:49:54,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:49:54,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:49:54,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:49:54,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:49:54,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:49:54,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:49:54,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:49:54,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:49:54,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:49:54,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:49:54,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:49:54,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:49:54,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:49:54,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:49:54,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:49:54,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:49:54,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:49:54,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:49:54,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:49:54,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:49:54,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:49:54,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:49:54,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:49:54,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:49:54,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:49:54,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:49:54,414 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:49:54,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:49:54,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:49:54,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:49:54,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:49:54,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:49:54,418 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:49:54,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:49:54,418 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:49:54,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:49:54,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:49:54,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:49:54,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:49:54,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:49:54,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:49:54,421 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:49:54,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:49:54,421 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:49:54,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:49:54,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:49:54,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:49:54,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:49:54,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:54,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:49:54,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:49:54,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:49:54,423 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:49:54,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:49:54,424 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:49:54,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:49:54,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:49:54,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:49:54,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce [2021-10-21 19:49:54,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:49:54,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:49:54,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:49:54,749 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:49:54,750 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:49:54,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-10-21 19:49:54,850 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data/1a8484733/691facd0ba704021a1f30689b27591eb/FLAGca6041656 [2021-10-21 19:49:55,361 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:49:55,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-10-21 19:49:55,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data/1a8484733/691facd0ba704021a1f30689b27591eb/FLAGca6041656 [2021-10-21 19:49:55,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data/1a8484733/691facd0ba704021a1f30689b27591eb [2021-10-21 19:49:55,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:49:55,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:49:55,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:55,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:49:55,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:49:55,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:55" (1/1) ... [2021-10-21 19:49:55,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4a848c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:55, skipping insertion in model container [2021-10-21 19:49:55,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:55" (1/1) ... [2021-10-21 19:49:55,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:49:55,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:49:56,005 WARN L228 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_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-10-21 19:49:56,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:56,018 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:49:56,072 WARN L228 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_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-10-21 19:49:56,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:56,089 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:49:56,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56 WrapperNode [2021-10-21 19:49:56,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:56,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:49:56,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:49:56,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:49:56,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:49:56,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:49:56,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:49:56,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:49:56,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:49:56,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:49:56,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:49:56,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:49:56,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:56,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:49:56,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:49:56,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:49:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:49:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:49:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-21 19:49:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:49:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-21 19:49:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:49:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:49:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:49:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:49:56,937 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:49:56,937 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-21 19:49:56,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:56 BoogieIcfgContainer [2021-10-21 19:49:56,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:49:56,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:49:56,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:49:56,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:49:56,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:49:55" (1/3) ... [2021-10-21 19:49:56,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777336d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:49:56, skipping insertion in model container [2021-10-21 19:49:56,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (2/3) ... [2021-10-21 19:49:56,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777336d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:49:56, skipping insertion in model container [2021-10-21 19:49:56,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:56" (3/3) ... [2021-10-21 19:49:56,953 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2021-10-21 19:49:56,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:49:56,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:49:57,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:49:57,016 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=PETRI_NET, 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 [2021-10-21 19:49:57,016 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:49:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 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) [2021-10-21 19:49:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 19:49:57,063 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:57,064 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:57,064 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:57,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:57,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2021-10-21 19:49:57,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:57,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199701014] [2021-10-21 19:49:57,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:57,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:57,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:57,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199701014] [2021-10-21 19:49:57,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199701014] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:57,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:57,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:49:57,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414593899] [2021-10-21 19:49:57,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:49:57,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:57,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:49:57,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:49:57,311 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 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) 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) [2021-10-21 19:49:57,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:57,338 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2021-10-21 19:49:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:49:57,339 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 [2021-10-21 19:49:57,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:57,353 INFO L225 Difference]: With dead ends: 140 [2021-10-21 19:49:57,353 INFO L226 Difference]: Without dead ends: 68 [2021-10-21 19:49:57,356 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:49:57,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-21 19:49:57,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-10-21 19:49:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 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) [2021-10-21 19:49:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2021-10-21 19:49:57,399 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2021-10-21 19:49:57,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:57,399 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2021-10-21 19:49:57,399 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) [2021-10-21 19:49:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-10-21 19:49:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:49:57,401 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:57,401 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:57,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:49:57,402 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:57,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:57,403 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2021-10-21 19:49:57,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:57,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614806090] [2021-10-21 19:49:57,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:57,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:49:57,475 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:49:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:49:57,539 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:49:57,539 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:49:57,541 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:49:57,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:49:57,550 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:49:57,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:49:57 BoogieIcfgContainer [2021-10-21 19:49:57,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:49:57,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:49:57,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:49:57,589 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:49:57,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:56" (3/4) ... [2021-10-21 19:49:57,594 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:49:57,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:49:57,596 INFO L168 Benchmark]: Toolchain (without parser) took 1886.91 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.5 MB in the beginning and 65.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:57,597 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory is still 67.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:49:57,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.80 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 63.0 MB in the end (delta: -11.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:57,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.68 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 60.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:57,599 INFO L168 Benchmark]: Boogie Preprocessor took 61.69 ms. Allocated memory is still 92.3 MB. Free memory was 60.4 MB in the beginning and 58.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:57,600 INFO L168 Benchmark]: RCFGBuilder took 715.77 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 38.2 MB in the end (delta: 19.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:57,601 INFO L168 Benchmark]: TraceAbstraction took 646.58 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 37.9 MB in the beginning and 65.7 MB in the end (delta: -27.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:49:57,602 INFO L168 Benchmark]: Witness Printer took 5.06 ms. Allocated memory is still 111.1 MB. Free memory was 65.7 MB in the beginning and 65.0 MB in the end (delta: 773.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:57,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory is still 67.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.80 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 63.0 MB in the end (delta: -11.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.68 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 60.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.69 ms. Allocated memory is still 92.3 MB. Free memory was 60.4 MB in the beginning and 58.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 715.77 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 38.2 MB in the end (delta: 19.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 646.58 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 37.9 MB in the beginning and 65.7 MB in the end (delta: -27.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.06 ms. Allocated memory is still 111.1 MB. Free memory was 65.7 MB in the beginning and 65.0 MB in the end (delta: 773.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 242]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 237, overapproximation of bitwiseAnd at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 241. Possible FailurePath: [L18] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L144-L158] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L237] double x = -0.0; [L161] double t, w, p, q, c, r, s; [L162] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] ieee_double_shape_type gh_u; [L165] gh_u.value = (x) [L166] EXPR gh_u.parts.msw [L166] (hx) = gh_u.parts.msw [L168] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L169] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L180] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L181] COND FALSE !(ix < 0x3e400000) [L185] t = x * x [L186-L189] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L190-L191] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L192] w = p / q [L193] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] double res = __ieee754_asin(x); [L241] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L242] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 541.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 32.8ms, AutomataDifference: 62.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 97 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 23.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.0ms SsaConstructionTime, 92.2ms SatisfiabilityAnalysisTime, 60.4ms InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2021-10-21 19:49:57,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:50:00,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:50:00,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:50:00,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:50:00,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:50:00,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:50:00,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:50:00,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:50:00,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:50:00,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:50:00,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:50:00,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:50:00,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:50:00,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:50:00,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:50:00,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:50:00,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:50:00,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:50:00,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:50:00,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:50:00,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:50:00,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:50:00,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:50:00,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:50:00,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:50:00,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:50:00,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:50:00,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:50:00,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:50:00,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:50:00,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:50:00,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:50:00,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:50:00,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:50:00,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:50:00,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:50:00,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:50:00,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:50:00,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:50:00,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:50:00,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:50:00,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 19:50:00,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:50:00,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:50:00,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:50:00,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:50:00,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:50:00,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:50:00,508 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:50:00,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:50:00,508 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:50:00,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:50:00,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:50:00,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:50:00,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:50:00,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:50:00,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:50:00,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:50:00,511 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:50:00,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:50:00,512 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:50:00,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:50:00,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:50:00,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:50:00,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:50:00,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:50:00,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:50:00,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:50:00,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:50:00,514 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:50:00,514 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:50:00,514 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:50:00,515 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:50:00,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:50:00,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:50:00,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:50:00,516 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_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce [2021-10-21 19:50:00,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:50:00,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:50:00,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:50:00,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:50:00,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:50:00,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-10-21 19:50:01,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data/a0ea96b70/85b5d5664715432d90773b03176f927f/FLAG362dd8e21 [2021-10-21 19:50:01,629 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:50:01,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-10-21 19:50:01,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data/a0ea96b70/85b5d5664715432d90773b03176f927f/FLAG362dd8e21 [2021-10-21 19:50:01,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/data/a0ea96b70/85b5d5664715432d90773b03176f927f [2021-10-21 19:50:01,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:50:01,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:50:01,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:50:01,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:50:01,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:50:01,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:50:01" (1/1) ... [2021-10-21 19:50:01,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28312e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:01, skipping insertion in model container [2021-10-21 19:50:01,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:50:01" (1/1) ... [2021-10-21 19:50:01,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:50:02,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:50:02,379 WARN L228 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_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-10-21 19:50:02,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:50:02,408 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:50:02,571 WARN L228 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_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-10-21 19:50:02,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:50:02,601 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:50:02,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02 WrapperNode [2021-10-21 19:50:02,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:50:02,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:50:02,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:50:02,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:50:02,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:50:02,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:50:02,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:50:02,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:50:02,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:50:02,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:50:02,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:50:02,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:50:02,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (1/1) ... [2021-10-21 19:50:02,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:50:02,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:02,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:50:02,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:50:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-21 19:50:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-21 19:50:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 19:50:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:50:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:50:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:50:02,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:50:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:50:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:50:20,709 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:50:20,710 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-21 19:50:20,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:50:20 BoogieIcfgContainer [2021-10-21 19:50:20,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:50:20,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:50:20,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:50:20,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:50:20,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:50:01" (1/3) ... [2021-10-21 19:50:20,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec2893a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:50:20, skipping insertion in model container [2021-10-21 19:50:20,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:50:02" (2/3) ... [2021-10-21 19:50:20,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec2893a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:50:20, skipping insertion in model container [2021-10-21 19:50:20,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:50:20" (3/3) ... [2021-10-21 19:50:20,723 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2021-10-21 19:50:20,730 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:50:20,730 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:50:20,787 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:50:20,794 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=PETRI_NET, 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 [2021-10-21 19:50:20,794 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:50:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 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) [2021-10-21 19:50:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 19:50:20,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:20,818 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:20,819 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:20,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:20,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2021-10-21 19:50:20,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:50:20,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478308277] [2021-10-21 19:50:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:20,840 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:50:20,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:50:20,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:50:20,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:50:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:21,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-21 19:50:21,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:21,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:50:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:22,141 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:50:22,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478308277] [2021-10-21 19:50:22,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478308277] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:22,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:22,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:50:22,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901067786] [2021-10-21 19:50:22,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:50:22,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:50:22,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:50:22,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:50:22,169 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 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) 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) [2021-10-21 19:50:22,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:22,194 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2021-10-21 19:50:22,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:50:22,195 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 [2021-10-21 19:50:22,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:22,223 INFO L225 Difference]: With dead ends: 140 [2021-10-21 19:50:22,223 INFO L226 Difference]: Without dead ends: 68 [2021-10-21 19:50:22,226 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:50:22,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-21 19:50:22,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-10-21 19:50:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 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) [2021-10-21 19:50:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2021-10-21 19:50:22,279 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2021-10-21 19:50:22,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:22,280 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2021-10-21 19:50:22,280 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) [2021-10-21 19:50:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-10-21 19:50:22,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:50:22,282 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:22,282 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:22,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:22,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:50:22,498 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:22,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:22,499 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2021-10-21 19:50:22,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:50:22,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420205209] [2021-10-21 19:50:22,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:22,501 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:50:22,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:50:22,507 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:50:22,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:50:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:27,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:50:27,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:28,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:50:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:30,008 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:50:30,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420205209] [2021-10-21 19:50:30,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420205209] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:30,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:30,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-21 19:50:30,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402962704] [2021-10-21 19:50:30,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:50:30,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:50:30,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:50:30,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:50:30,014 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-10-21 19:50:32,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:32,159 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2021-10-21 19:50:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:50:32,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 [2021-10-21 19:50:32,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:32,163 INFO L225 Difference]: With dead ends: 124 [2021-10-21 19:50:32,163 INFO L226 Difference]: Without dead ends: 65 [2021-10-21 19:50:32,165 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1974.8ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:50:32,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-21 19:50:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-21 19:50:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.328125) internal successors, (85), 64 states have internal predecessors, (85), 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) [2021-10-21 19:50:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2021-10-21 19:50:32,181 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2021-10-21 19:50:32,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:32,181 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2021-10-21 19:50:32,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-10-21 19:50:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2021-10-21 19:50:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-21 19:50:32,183 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:32,183 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:32,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:32,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:50:32,402 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:32,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:32,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2021-10-21 19:50:32,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:50:32,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035601704] [2021-10-21 19:50:32,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:32,407 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:50:32,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:50:32,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:50:32,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:50:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:32,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:50:32,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:34,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:50:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:35,655 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:50:35,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035601704] [2021-10-21 19:50:35,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035601704] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:35,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:35,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-21 19:50:35,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518002549] [2021-10-21 19:50:35,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:50:35,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:50:35,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:50:35,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:50:35,658 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-10-21 19:50:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:37,163 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2021-10-21 19:50:37,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:50:37,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 12 [2021-10-21 19:50:37,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:37,165 INFO L225 Difference]: With dead ends: 69 [2021-10-21 19:50:37,165 INFO L226 Difference]: Without dead ends: 65 [2021-10-21 19:50:37,166 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1923.3ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:50:37,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-21 19:50:37,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-21 19:50:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 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) [2021-10-21 19:50:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2021-10-21 19:50:37,215 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2021-10-21 19:50:37,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:37,216 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2021-10-21 19:50:37,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-10-21 19:50:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2021-10-21 19:50:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-21 19:50:37,218 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:37,218 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:37,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:37,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:50:37,420 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:37,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:37,420 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2021-10-21 19:50:37,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:50:37,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36766306] [2021-10-21 19:50:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:37,422 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:50:37,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:50:37,423 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:50:37,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 19:50:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:43,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:50:43,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:46,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:50:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:54,474 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:50:54,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36766306] [2021-10-21 19:50:54,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36766306] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:54,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:54,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-21 19:50:54,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182675619] [2021-10-21 19:50:54,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:50:54,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:50:54,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:50:54,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:54,478 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-21 19:50:54,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:54,910 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2021-10-21 19:50:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:50:54,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 28 [2021-10-21 19:50:54,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:54,912 INFO L225 Difference]: With dead ends: 65 [2021-10-21 19:50:54,913 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:50:54,914 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3465.2ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:54,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:50:54,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:50:54,914 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) [2021-10-21 19:50:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:50:54,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-10-21 19:50:54,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:54,915 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:50:54,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-21 19:50:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:50:54,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:50:54,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:50:55,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-21 19:50:55,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:50:55,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:50:55,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:55,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:56,601 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 94) no Hoare annotation was computed. [2021-10-21 19:50:56,601 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2021-10-21 19:50:56,602 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 140) no Hoare annotation was computed. [2021-10-21 19:50:56,602 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 128 142) no Hoare annotation was computed. [2021-10-21 19:50:56,602 INFO L857 garLoopResultBuilder]: For program point L135-2(lines 135 140) no Hoare annotation was computed. [2021-10-21 19:50:56,602 INFO L857 garLoopResultBuilder]: For program point L36(lines 36 41) no Hoare annotation was computed. [2021-10-21 19:50:56,603 INFO L853 garLoopResultBuilder]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2021-10-21 19:50:56,603 INFO L857 garLoopResultBuilder]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2021-10-21 19:50:56,603 INFO L857 garLoopResultBuilder]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2021-10-21 19:50:56,603 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:50:56,604 INFO L857 garLoopResultBuilder]: For program point L119-1(lines 119 124) no Hoare annotation was computed. [2021-10-21 19:50:56,604 INFO L853 garLoopResultBuilder]: At program point L119-2(lines 119 124) the Hoare annotation is: false [2021-10-21 19:50:56,604 INFO L857 garLoopResultBuilder]: For program point L119-3(lines 119 124) no Hoare annotation was computed. [2021-10-21 19:50:56,605 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 195) no Hoare annotation was computed. [2021-10-21 19:50:56,605 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-10-21 19:50:56,605 INFO L857 garLoopResultBuilder]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-10-21 19:50:56,605 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 88) no Hoare annotation was computed. [2021-10-21 19:50:56,606 INFO L857 garLoopResultBuilder]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2021-10-21 19:50:56,606 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-10-21 19:50:56,606 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2021-10-21 19:50:56,606 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 171 175) no Hoare annotation was computed. [2021-10-21 19:50:56,607 INFO L853 garLoopResultBuilder]: At program point L171-2(lines 171 175) the Hoare annotation is: false [2021-10-21 19:50:56,607 INFO L857 garLoopResultBuilder]: For program point L171-3(lines 169 180) no Hoare annotation was computed. [2021-10-21 19:50:56,607 INFO L857 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-10-21 19:50:56,607 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 111) no Hoare annotation was computed. [2021-10-21 19:50:56,608 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 91) no Hoare annotation was computed. [2021-10-21 19:50:56,608 INFO L857 garLoopResultBuilder]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2021-10-21 19:50:56,608 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 222) no Hoare annotation was computed. [2021-10-21 19:50:56,609 INFO L857 garLoopResultBuilder]: For program point L206-2(lines 160 227) no Hoare annotation was computed. [2021-10-21 19:50:56,609 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2021-10-21 19:50:56,609 INFO L857 garLoopResultBuilder]: For program point L107-2(lines 107 108) no Hoare annotation was computed. [2021-10-21 19:50:56,609 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:50:56,610 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 61) no Hoare annotation was computed. [2021-10-21 19:50:56,610 INFO L857 garLoopResultBuilder]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2021-10-21 19:50:56,610 INFO L853 garLoopResultBuilder]: At program point L141(lines 128 142) the Hoare annotation is: false [2021-10-21 19:50:56,610 INFO L853 garLoopResultBuilder]: At program point L125(lines 20 126) the Hoare annotation is: false [2021-10-21 19:50:56,611 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2021-10-21 19:50:56,611 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2021-10-21 19:50:56,611 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 20 126) no Hoare annotation was computed. [2021-10-21 19:50:56,612 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 244) no Hoare annotation was computed. [2021-10-21 19:50:56,612 INFO L857 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2021-10-21 19:50:56,612 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 55) no Hoare annotation was computed. [2021-10-21 19:50:56,612 INFO L857 garLoopResultBuilder]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2021-10-21 19:50:56,613 INFO L853 garLoopResultBuilder]: At program point L226(lines 160 227) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (fp.neg (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_asin_~hx~0))) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|)) ULTIMATE.start___ieee754_asin_~ix~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (fp.neg (_ +zero 11 53))))) (= ULTIMATE.start_main_~x~0 .cse0) (= .cse0 ULTIMATE.start___ieee754_asin_~x) (= |ULTIMATE.start___ieee754_asin_#res| ULTIMATE.start_main_~x~0))) [2021-10-21 19:50:56,613 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:50:56,613 INFO L853 garLoopResultBuilder]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2021-10-21 19:50:56,614 INFO L857 garLoopResultBuilder]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2021-10-21 19:50:56,614 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 211 216) no Hoare annotation was computed. [2021-10-21 19:50:56,614 INFO L853 garLoopResultBuilder]: At program point L211-2(lines 211 216) the Hoare annotation is: false [2021-10-21 19:50:56,614 INFO L857 garLoopResultBuilder]: For program point L211-3(lines 211 216) no Hoare annotation was computed. [2021-10-21 19:50:56,615 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-10-21 19:50:56,615 INFO L853 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= ULTIMATE.start_main_~x~0 .cse0) (= .cse0 ULTIMATE.start___ieee754_asin_~x) (= currentRoundingMode roundNearestTiesToEven))) [2021-10-21 19:50:56,615 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-10-21 19:50:56,616 INFO L857 garLoopResultBuilder]: For program point L163-3(lines 163 167) no Hoare annotation was computed. [2021-10-21 19:50:56,616 INFO L853 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: false [2021-10-21 19:50:56,616 INFO L860 garLoopResultBuilder]: At program point L246(lines 229 247) the Hoare annotation is: true [2021-10-21 19:50:56,616 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 195) no Hoare annotation was computed. [2021-10-21 19:50:56,617 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 180 195) no Hoare annotation was computed. [2021-10-21 19:50:56,617 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:50:56,617 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 242) no Hoare annotation was computed. [2021-10-21 19:50:56,617 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 194) no Hoare annotation was computed. [2021-10-21 19:50:56,618 INFO L853 garLoopResultBuilder]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2021-10-21 19:50:56,618 INFO L857 garLoopResultBuilder]: For program point L82-3(lines 20 126) no Hoare annotation was computed. [2021-10-21 19:50:56,618 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 113) no Hoare annotation was computed. [2021-10-21 19:50:56,618 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 183) no Hoare annotation was computed. [2021-10-21 19:50:56,619 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 117) no Hoare annotation was computed. [2021-10-21 19:50:56,619 INFO L857 garLoopResultBuilder]: For program point L116-2(lines 116 117) no Hoare annotation was computed. [2021-10-21 19:50:56,619 INFO L857 garLoopResultBuilder]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2021-10-21 19:50:56,619 INFO L853 garLoopResultBuilder]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2021-10-21 19:50:56,620 INFO L857 garLoopResultBuilder]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2021-10-21 19:50:56,620 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-10-21 19:50:56,626 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:50:56,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,651 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:50:56,653 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:50:56,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:50:56 BoogieIcfgContainer [2021-10-21 19:50:56,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:50:56,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:50:56,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:50:56,656 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:50:56,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:50:20" (3/4) ... [2021-10-21 19:50:56,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:50:56,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-21 19:50:56,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:50:56,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:50:56,679 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:50:56,707 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && \result == x [2021-10-21 19:50:56,756 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:50:56,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:50:56,758 INFO L168 Benchmark]: Toolchain (without parser) took 54779.44 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.4 MB in the beginning and 31.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:56,758 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:50:56,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.44 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.2 MB in the beginning and 50.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:56,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.41 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:56,760 INFO L168 Benchmark]: Boogie Preprocessor took 108.30 ms. Allocated memory is still 71.3 MB. Free memory was 47.8 MB in the beginning and 45.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:56,760 INFO L168 Benchmark]: RCFGBuilder took 17906.48 ms. Allocated memory is still 71.3 MB. Free memory was 45.5 MB in the beginning and 46.3 MB in the end (delta: -838.3 kB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:56,760 INFO L168 Benchmark]: TraceAbstraction took 35939.89 ms. Allocated memory is still 71.3 MB. Free memory was 46.0 MB in the beginning and 37.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:56,761 INFO L168 Benchmark]: Witness Printer took 100.46 ms. Allocated memory is still 71.3 MB. Free memory was 37.4 MB in the beginning and 31.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:50:56,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 620.44 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.2 MB in the beginning and 50.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.41 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.30 ms. Allocated memory is still 71.3 MB. Free memory was 47.8 MB in the beginning and 45.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 17906.48 ms. Allocated memory is still 71.3 MB. Free memory was 45.5 MB in the beginning and 46.3 MB in the end (delta: -838.3 kB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35939.89 ms. Allocated memory is still 71.3 MB. Free memory was 46.0 MB in the beginning and 37.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 100.46 ms. Allocated memory is still 71.3 MB. Free memory was 37.4 MB in the beginning and 31.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 242]: 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 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35840.3ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 14.3ms, AutomataDifference: 4173.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1481.6ms, InitialAbstractionConstructionTime: 12.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 258 SDtfs, 416 SDslu, 241 SDs, 0 SdLazy, 44 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2672.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 7363.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 104.5ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 80 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 58.8ms HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 1415.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 83.6ms SsaConstructionTime, 11129.9ms SatisfiabilityAnalysisTime, 17641.9ms InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 483 SizeOfPredicates, 17 NumberOfNonLiveVariables, 294 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant [2021-10-21 19:50:56,773 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,774 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,775 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,776 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-21 19:50:56,777 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && \result == x - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2021-10-21 19:50:56,779 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-21 19:50:56,780 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_asin && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:50:56,997 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-21 19:50:57,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5b1deb7-0af7-4bf0-a2ce-e93789eeb036/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...