./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer --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 41a526911f5478d4ee67d1ffe54a57e775a21596 .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer --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 41a526911f5478d4ee67d1ffe54a57e775a21596 .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:52:22,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:52:22,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:52:22,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:52:22,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:52:22,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:52:22,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:52:22,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:52:22,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:52:22,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:52:22,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:52:22,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:52:22,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:52:22,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:52:22,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:52:22,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:52:22,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:52:22,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:52:22,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:52:22,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:52:22,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:52:22,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:52:22,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:52:22,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:52:22,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:52:22,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:52:22,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:52:22,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:52:22,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:52:22,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:52:22,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:52:22,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:52:22,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:52:22,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:52:22,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:52:22,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:52:22,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:52:22,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:52:22,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:52:22,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:52:22,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:52:22,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:52:22,545 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:52:22,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:52:22,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:52:22,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:52:22,547 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:52:22,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:52:22,548 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:52:22,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:52:22,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:52:22,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:52:22,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:52:22,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:52:22,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:52:22,551 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:52:22,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:52:22,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:52:22,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:52:22,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:52:22,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:52:22,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:52:22,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:52:22,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:52:22,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:52:22,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:52:22,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:52:22,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:52:22,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:52:22,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:52:22,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:52:22,557 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-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2020-11-30 00:52:22,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:52:22,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:52:22,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:52:22,880 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:52:22,882 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:52:22,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-11-30 00:52:22,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data/f6c9ecc1a/39e46806f64e4527bcafda4790f7d590/FLAGe19e424cd [2020-11-30 00:52:23,513 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:52:23,514 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-11-30 00:52:23,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data/f6c9ecc1a/39e46806f64e4527bcafda4790f7d590/FLAGe19e424cd [2020-11-30 00:52:23,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data/f6c9ecc1a/39e46806f64e4527bcafda4790f7d590 [2020-11-30 00:52:23,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:52:23,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:52:23,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:52:23,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:52:23,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:52:23,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:52:23" (1/1) ... [2020-11-30 00:52:23,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c54c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:23, skipping insertion in model container [2020-11-30 00:52:23,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:52:23" (1/1) ... [2020-11-30 00:52:23,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:52:23,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:52:24,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:52:24,237 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:52:24,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:52:24,323 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:52:24,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24 WrapperNode [2020-11-30 00:52:24,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:52:24,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:52:24,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:52:24,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:52:24,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... [2020-11-30 00:52:24,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... [2020-11-30 00:52:24,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:52:24,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:52:24,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:52:24,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:52:24,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... [2020-11-30 00:52:24,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... [2020-11-30 00:52:24,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... [2020-11-30 00:52:24,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... [2020-11-30 00:52:24,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... [2020-11-30 00:52:24,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... [2020-11-30 00:52:24,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... [2020-11-30 00:52:24,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:52:24,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:52:24,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:52:24,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:52:24,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:52:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:52:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:52:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 00:52:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:52:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 00:52:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:52:24,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:52:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:52:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:52:25,488 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:52:25,488 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-30 00:52:25,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:25 BoogieIcfgContainer [2020-11-30 00:52:25,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:52:25,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:52:25,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:52:25,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:52:25,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:52:23" (1/3) ... [2020-11-30 00:52:25,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbe969f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:52:25, skipping insertion in model container [2020-11-30 00:52:25,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:24" (2/3) ... [2020-11-30 00:52:25,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbe969f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:52:25, skipping insertion in model container [2020-11-30 00:52:25,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:25" (3/3) ... [2020-11-30 00:52:25,500 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2020-11-30 00:52:25,513 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:52:25,517 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:52:25,531 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:52:25,559 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:52:25,560 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:52:25,560 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:52:25,560 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:52:25,560 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:52:25,561 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:52:25,561 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:52:25,561 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:52:25,578 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-11-30 00:52:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:52:25,584 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:25,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:25,585 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:25,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:25,592 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2020-11-30 00:52:25,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:25,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727014373] [2020-11-30 00:52:25,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:25,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727014373] [2020-11-30 00:52:25,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:25,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:52:25,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808204270] [2020-11-30 00:52:25,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:52:25,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:25,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:52:25,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:52:25,792 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-11-30 00:52:25,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:25,832 INFO L93 Difference]: Finished difference Result 146 states and 237 transitions. [2020-11-30 00:52:25,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:52:25,833 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-30 00:52:25,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:25,854 INFO L225 Difference]: With dead ends: 146 [2020-11-30 00:52:25,857 INFO L226 Difference]: Without dead ends: 70 [2020-11-30 00:52:25,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:52:25,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-11-30 00:52:25,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-11-30 00:52:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-11-30 00:52:25,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2020-11-30 00:52:25,914 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 12 [2020-11-30 00:52:25,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:25,915 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2020-11-30 00:52:25,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:52:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2020-11-30 00:52:25,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:52:25,935 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:25,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:25,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:52:25,937 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:25,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:25,943 INFO L82 PathProgramCache]: Analyzing trace with hash -697724311, now seen corresponding path program 1 times [2020-11-30 00:52:25,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:25,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116557698] [2020-11-30 00:52:25,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:52:26,047 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:52:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:52:26,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:52:26,168 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:52:26,168 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:52:26,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:52:26,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:52:26 BoogieIcfgContainer [2020-11-30 00:52:26,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:52:26,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:52:26,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:52:26,248 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:52:26,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:25" (3/4) ... [2020-11-30 00:52:26,253 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:52:26,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:52:26,256 INFO L168 Benchmark]: Toolchain (without parser) took 2402.22 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 53.8 MB in the beginning and 77.2 MB in the end (delta: -23.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:52:26,258 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:52:26,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.05 ms. Allocated memory is still 86.0 MB. Free memory was 53.5 MB in the beginning and 59.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:26,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.84 ms. Allocated memory is still 86.0 MB. Free memory was 59.4 MB in the beginning and 56.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:26,261 INFO L168 Benchmark]: Boogie Preprocessor took 105.68 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 54.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:26,263 INFO L168 Benchmark]: RCFGBuilder took 952.73 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 54.2 MB in the beginning and 67.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:26,265 INFO L168 Benchmark]: TraceAbstraction took 755.15 ms. Allocated memory is still 109.1 MB. Free memory was 67.6 MB in the beginning and 77.9 MB in the end (delta: -10.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:52:26,267 INFO L168 Benchmark]: Witness Printer took 5.11 ms. Allocated memory is still 109.1 MB. Free memory was 77.9 MB in the beginning and 77.2 MB in the end (delta: 628.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:26,280 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 86.0 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 469.05 ms. Allocated memory is still 86.0 MB. Free memory was 53.5 MB in the beginning and 59.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.84 ms. Allocated memory is still 86.0 MB. Free memory was 59.4 MB in the beginning and 56.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.68 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 54.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 952.73 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 54.2 MB in the beginning and 67.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 755.15 ms. Allocated memory is still 109.1 MB. Free memory was 67.6 MB in the beginning and 77.9 MB in the end (delta: -10.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.11 ms. Allocated memory is still 109.1 MB. Free memory was 77.9 MB in the beginning and 77.2 MB in the end (delta: 628.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 155, overapproximation of bitwiseAnd at line 173, overapproximation of someBinaryArithmeticDOUBLEoperation at line 190, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L149-L163] 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] [L242] double x = __VERIFIER_nondet_double(); [L244] COND TRUE x < -1.0 && x > 1.0 [L166] double t, w, p, q, c, r, s; [L167] __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] [L169] ieee_double_shape_type gh_u; [L170] gh_u.value = (x) [L171] EXPR gh_u.parts.msw [L171] (hx) = gh_u.parts.msw [L173] 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] [L174] 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] [L185] 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] [L186] COND FALSE !(ix < 0x3e400000) [L190] t = x * x [L191-L194] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L195-L196] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L197] w = p / q [L198] 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] [L246] double res = __ieee754_asin(x); [L20] return x != 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] [L249] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_0281.c", 3, "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, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 101 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:52:28,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:52:28,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:52:29,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:52:29,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:52:29,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:52:29,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:52:29,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:52:29,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:52:29,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:52:29,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:52:29,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:52:29,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:52:29,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:52:29,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:52:29,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:52:29,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:52:29,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:52:29,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:52:29,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:52:29,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:52:29,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:52:29,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:52:29,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:52:29,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:52:29,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:52:29,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:52:29,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:52:29,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:52:29,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:52:29,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:52:29,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:52:29,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:52:29,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:52:29,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:52:29,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:52:29,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:52:29,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:52:29,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:52:29,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:52:29,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:52:29,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:52:29,148 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:52:29,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:52:29,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:52:29,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:52:29,152 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:52:29,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:52:29,153 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:52:29,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:52:29,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:52:29,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:52:29,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:52:29,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:52:29,155 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:52:29,155 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:52:29,156 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:52:29,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:52:29,156 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:52:29,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:52:29,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:52:29,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:52:29,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:52:29,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:52:29,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:52:29,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:52:29,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:52:29,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:52:29,158 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:52:29,159 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:52:29,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:52:29,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:52:29,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:52:29,159 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-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2020-11-30 00:52:29,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:52:29,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:52:29,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:52:29,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:52:29,601 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:52:29,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-11-30 00:52:29,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data/bb676aaed/601da3c1c6c14ea48a3513792b68e3d8/FLAG5749cc002 [2020-11-30 00:52:30,255 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:52:30,256 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2020-11-30 00:52:30,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data/bb676aaed/601da3c1c6c14ea48a3513792b68e3d8/FLAG5749cc002 [2020-11-30 00:52:30,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/data/bb676aaed/601da3c1c6c14ea48a3513792b68e3d8 [2020-11-30 00:52:30,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:52:30,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:52:30,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:52:30,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:52:30,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:52:30,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:52:30" (1/1) ... [2020-11-30 00:52:30,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc0f818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:30, skipping insertion in model container [2020-11-30 00:52:30,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:52:30" (1/1) ... [2020-11-30 00:52:30,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:52:30,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:52:30,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:52:30,992 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:52:31,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:52:31,158 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:52:31,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31 WrapperNode [2020-11-30 00:52:31,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:52:31,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:52:31,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:52:31,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:52:31,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... [2020-11-30 00:52:31,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... [2020-11-30 00:52:31,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:52:31,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:52:31,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:52:31,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:52:31,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... [2020-11-30 00:52:31,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... [2020-11-30 00:52:31,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... [2020-11-30 00:52:31,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... [2020-11-30 00:52:31,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... [2020-11-30 00:52:31,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... [2020-11-30 00:52:31,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... [2020-11-30 00:52:31,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:52:31,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:52:31,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:52:31,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:52:31,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:52:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 00:52:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 00:52:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:52:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:52:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:52:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:52:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:52:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:52:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:52:53,643 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:52:53,649 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-30 00:52:53,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:53 BoogieIcfgContainer [2020-11-30 00:52:53,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:52:53,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:52:53,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:52:53,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:52:53,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:52:30" (1/3) ... [2020-11-30 00:52:53,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fdd3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:52:53, skipping insertion in model container [2020-11-30 00:52:53,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:31" (2/3) ... [2020-11-30 00:52:53,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fdd3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:52:53, skipping insertion in model container [2020-11-30 00:52:53,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:53" (3/3) ... [2020-11-30 00:52:53,665 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2020-11-30 00:52:53,679 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:52:53,684 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:52:53,698 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:52:53,750 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:52:53,750 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:52:53,750 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:52:53,751 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:52:53,751 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:52:53,751 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:52:53,751 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:52:53,751 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:52:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-11-30 00:52:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:52:53,778 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:53,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:53,779 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:53,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:53,784 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2020-11-30 00:52:53,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:52:53,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361121843] [2020-11-30 00:52:53,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:52:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:54,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:52:54,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:52:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:54,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:52:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:54,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361121843] [2020-11-30 00:52:54,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:54,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:52:54,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696923866] [2020-11-30 00:52:54,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:52:54,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:52:54,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:52:54,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:52:54,850 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-11-30 00:52:54,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:54,873 INFO L93 Difference]: Finished difference Result 79 states and 124 transitions. [2020-11-30 00:52:54,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:52:54,874 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-30 00:52:54,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:54,881 INFO L225 Difference]: With dead ends: 79 [2020-11-30 00:52:54,882 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:52:54,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:52:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:52:54,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:52:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:52:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:52:54,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-11-30 00:52:54,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:54,919 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:52:54,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:52:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:52:54,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:52:55,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:52:55,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:52:55,309 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2020-11-30 00:52:55,309 INFO L270 CegarLoopResult]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2020-11-30 00:52:55,309 INFO L274 CegarLoopResult]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2020-11-30 00:52:55,310 INFO L274 CegarLoopResult]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2020-11-30 00:52:55,310 INFO L270 CegarLoopResult]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2020-11-30 00:52:55,310 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:52:55,310 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:52:55,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:52:55,310 INFO L274 CegarLoopResult]: For program point L185(lines 185 200) no Hoare annotation was computed. [2020-11-30 00:52:55,310 INFO L274 CegarLoopResult]: For program point L185-1(lines 185 200) no Hoare annotation was computed. [2020-11-30 00:52:55,311 INFO L270 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: false [2020-11-30 00:52:55,311 INFO L274 CegarLoopResult]: For program point L186(lines 186 199) no Hoare annotation was computed. [2020-11-30 00:52:55,311 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 103) the Hoare annotation is: false [2020-11-30 00:52:55,311 INFO L274 CegarLoopResult]: For program point L87-3(lines 24 132) no Hoare annotation was computed. [2020-11-30 00:52:55,311 INFO L274 CegarLoopResult]: For program point L187(lines 187 188) no Hoare annotation was computed. [2020-11-30 00:52:55,311 INFO L274 CegarLoopResult]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2020-11-30 00:52:55,311 INFO L270 CegarLoopResult]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2020-11-30 00:52:55,312 INFO L274 CegarLoopResult]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2020-11-30 00:52:55,312 INFO L274 CegarLoopResult]: For program point L105(lines 105 119) no Hoare annotation was computed. [2020-11-30 00:52:55,312 INFO L274 CegarLoopResult]: For program point L122(lines 122 123) no Hoare annotation was computed. [2020-11-30 00:52:55,312 INFO L274 CegarLoopResult]: For program point L122-2(lines 122 123) no Hoare annotation was computed. [2020-11-30 00:52:55,312 INFO L277 CegarLoopResult]: At program point L255(lines 234 256) the Hoare annotation is: true [2020-11-30 00:52:55,312 INFO L274 CegarLoopResult]: For program point L90(lines 90 99) no Hoare annotation was computed. [2020-11-30 00:52:55,312 INFO L274 CegarLoopResult]: For program point L90-2(lines 90 99) no Hoare annotation was computed. [2020-11-30 00:52:55,312 INFO L274 CegarLoopResult]: For program point L140(lines 140 145) no Hoare annotation was computed. [2020-11-30 00:52:55,313 INFO L274 CegarLoopResult]: For program point L140-1(lines 133 147) no Hoare annotation was computed. [2020-11-30 00:52:55,313 INFO L274 CegarLoopResult]: For program point L107(lines 107 118) no Hoare annotation was computed. [2020-11-30 00:52:55,313 INFO L274 CegarLoopResult]: For program point L140-2(lines 140 145) no Hoare annotation was computed. [2020-11-30 00:52:55,313 INFO L274 CegarLoopResult]: For program point L41(lines 41 46) no Hoare annotation was computed. [2020-11-30 00:52:55,313 INFO L270 CegarLoopResult]: At program point L74-2(lines 74 84) the Hoare annotation is: false [2020-11-30 00:52:55,313 INFO L274 CegarLoopResult]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2020-11-30 00:52:55,313 INFO L274 CegarLoopResult]: For program point L74-3(lines 74 84) no Hoare annotation was computed. [2020-11-30 00:52:55,314 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:52:55,314 INFO L274 CegarLoopResult]: For program point L174(lines 174 200) no Hoare annotation was computed. [2020-11-30 00:52:55,314 INFO L274 CegarLoopResult]: For program point L42(lines 42 45) no Hoare annotation was computed. [2020-11-30 00:52:55,314 INFO L274 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-11-30 00:52:55,314 INFO L274 CegarLoopResult]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2020-11-30 00:52:55,314 INFO L270 CegarLoopResult]: At program point L125-2(lines 125 130) the Hoare annotation is: false [2020-11-30 00:52:55,314 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-11-30 00:52:55,314 INFO L274 CegarLoopResult]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2020-11-30 00:52:55,315 INFO L274 CegarLoopResult]: For program point L109(lines 109 117) no Hoare annotation was computed. [2020-11-30 00:52:55,315 INFO L274 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-11-30 00:52:55,315 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 80) no Hoare annotation was computed. [2020-11-30 00:52:55,315 INFO L274 CegarLoopResult]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2020-11-30 00:52:55,315 INFO L270 CegarLoopResult]: At program point L176-2(lines 176 180) the Hoare annotation is: false [2020-11-30 00:52:55,315 INFO L274 CegarLoopResult]: For program point L176-3(lines 174 185) no Hoare annotation was computed. [2020-11-30 00:52:55,315 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-11-30 00:52:55,315 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:52:55,319 INFO L274 CegarLoopResult]: For program point L95(lines 95 96) no Hoare annotation was computed. [2020-11-30 00:52:55,319 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 96) no Hoare annotation was computed. [2020-11-30 00:52:55,320 INFO L274 CegarLoopResult]: For program point L244(lines 244 253) no Hoare annotation was computed. [2020-11-30 00:52:55,321 INFO L274 CegarLoopResult]: For program point L211(lines 211 227) no Hoare annotation was computed. [2020-11-30 00:52:55,321 INFO L274 CegarLoopResult]: For program point L244-2(lines 244 253) no Hoare annotation was computed. [2020-11-30 00:52:55,322 INFO L274 CegarLoopResult]: For program point L211-2(lines 165 232) no Hoare annotation was computed. [2020-11-30 00:52:55,322 INFO L274 CegarLoopResult]: For program point L112(lines 112 117) no Hoare annotation was computed. [2020-11-30 00:52:55,322 INFO L274 CegarLoopResult]: For program point L63(lines 63 66) no Hoare annotation was computed. [2020-11-30 00:52:55,323 INFO L274 CegarLoopResult]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2020-11-30 00:52:55,329 INFO L274 CegarLoopResult]: For program point L63-2(lines 63 66) no Hoare annotation was computed. [2020-11-30 00:52:55,329 INFO L270 CegarLoopResult]: At program point L30-2(lines 30 35) the Hoare annotation is: false [2020-11-30 00:52:55,329 INFO L274 CegarLoopResult]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2020-11-30 00:52:55,330 INFO L270 CegarLoopResult]: At program point L146(lines 133 147) the Hoare annotation is: false [2020-11-30 00:52:55,330 INFO L274 CegarLoopResult]: For program point L113(lines 113 114) no Hoare annotation was computed. [2020-11-30 00:52:55,331 INFO L274 CegarLoopResult]: For program point L113-2(lines 113 114) no Hoare annotation was computed. [2020-11-30 00:52:55,331 INFO L270 CegarLoopResult]: At program point L131(lines 24 132) the Hoare annotation is: false [2020-11-30 00:52:55,331 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:52:55,332 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:52:55,333 INFO L274 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2020-11-30 00:52:55,333 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2020-11-30 00:52:55,334 INFO L270 CegarLoopResult]: At program point L231(lines 165 232) the Hoare annotation is: false [2020-11-30 00:52:55,336 INFO L270 CegarLoopResult]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2020-11-30 00:52:55,337 INFO L274 CegarLoopResult]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2020-11-30 00:52:55,337 INFO L274 CegarLoopResult]: For program point L249(lines 249 252) no Hoare annotation was computed. [2020-11-30 00:52:55,337 INFO L274 CegarLoopResult]: For program point L216-1(lines 216 221) no Hoare annotation was computed. [2020-11-30 00:52:55,337 INFO L270 CegarLoopResult]: At program point L216-2(lines 216 221) the Hoare annotation is: false [2020-11-30 00:52:55,338 INFO L274 CegarLoopResult]: For program point L216-3(lines 216 221) no Hoare annotation was computed. [2020-11-30 00:52:55,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:52:55 BoogieIcfgContainer [2020-11-30 00:52:55,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:52:55,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:52:55,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:52:55,349 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:52:55,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:53" (3/4) ... [2020-11-30 00:52:55,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:52:55,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-30 00:52:55,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:52:55,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:52:55,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:52:55,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e9923b09-a117-4386-83f3-ea9a92692003/bin/uautomizer/witness.graphml [2020-11-30 00:52:55,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:52:55,442 INFO L168 Benchmark]: Toolchain (without parser) took 24810.46 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 46.5 MB in the beginning and 44.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:55,443 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 48.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:52:55,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.81 ms. Allocated memory is still 65.0 MB. Free memory was 46.3 MB in the beginning and 44.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:55,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.92 ms. Allocated memory is still 65.0 MB. Free memory was 44.6 MB in the beginning and 42.0 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:52:55,444 INFO L168 Benchmark]: Boogie Preprocessor took 95.38 ms. Allocated memory is still 65.0 MB. Free memory was 41.8 MB in the beginning and 39.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:55,445 INFO L168 Benchmark]: RCFGBuilder took 22305.77 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 39.3 MB in the beginning and 57.6 MB in the end (delta: -18.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:55,446 INFO L168 Benchmark]: TraceAbstraction took 1692.56 ms. Allocated memory is still 83.9 MB. Free memory was 56.9 MB in the beginning and 51.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:55,446 INFO L168 Benchmark]: Witness Printer took 91.72 ms. Allocated memory is still 83.9 MB. Free memory was 50.8 MB in the beginning and 44.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:52:55,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 48.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 523.81 ms. Allocated memory is still 65.0 MB. Free memory was 46.3 MB in the beginning and 44.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.92 ms. Allocated memory is still 65.0 MB. Free memory was 44.6 MB in the beginning and 42.0 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.38 ms. Allocated memory is still 65.0 MB. Free memory was 41.8 MB in the beginning and 39.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22305.77 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 39.3 MB in the beginning and 57.6 MB in the end (delta: -18.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1692.56 ms. Allocated memory is still 83.9 MB. Free memory was 56.9 MB in the beginning and 51.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Witness Printer took 91.72 ms. Allocated memory is still 83.9 MB. Free memory was 50.8 MB in the beginning and 44.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...