./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:33:12,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:33:12,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:33:12,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:33:12,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:33:12,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:33:12,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:33:12,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:33:12,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:33:12,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:33:12,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:33:12,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:33:12,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:33:12,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:33:12,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:33:12,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:33:12,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:33:12,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:33:12,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:33:12,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:33:12,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:33:12,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:33:12,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:33:12,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:33:12,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:33:12,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:33:12,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:33:12,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:33:12,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:33:12,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:33:12,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:33:12,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:33:12,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:33:12,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:33:12,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:33:12,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:33:12,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:33:12,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:33:12,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:33:12,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:33:12,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:33:12,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 18:33:12,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:33:12,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:33:12,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:33:12,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:33:12,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:33:12,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:33:12,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:33:12,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:33:12,491 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:33:12,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:33:12,492 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:33:12,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:33:12,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:33:12,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:33:12,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:33:12,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:33:12,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:33:12,493 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:33:12,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:33:12,493 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:33:12,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:33:12,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:33:12,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:33:12,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:33:12,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:33:12,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:33:12,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:33:12,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:33:12,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:33:12,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:33:12,498 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:33:12,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:33:12,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:33:12,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:33:12,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce [2021-12-06 18:33:12,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:33:12,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:33:12,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:33:12,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:33:12,687 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:33:12,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-12-06 18:33:12,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data/3ca116f4b/836d0f5f0b634c539324a107a7b5cb21/FLAG877d1512c [2021-12-06 18:33:13,142 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:33:13,142 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-12-06 18:33:13,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data/3ca116f4b/836d0f5f0b634c539324a107a7b5cb21/FLAG877d1512c [2021-12-06 18:33:13,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data/3ca116f4b/836d0f5f0b634c539324a107a7b5cb21 [2021-12-06 18:33:13,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:33:13,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:33:13,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:33:13,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:33:13,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:33:13,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647dda8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13, skipping insertion in model container [2021-12-06 18:33:13,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:33:13,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:33:13,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-12-06 18:33:13,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:33:13,337 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:33:13,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-12-06 18:33:13,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:33:13,385 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:33:13,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13 WrapperNode [2021-12-06 18:33:13,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:33:13,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:33:13,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:33:13,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:33:13,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,424 INFO L137 Inliner]: procedures = 17, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 284 [2021-12-06 18:33:13,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:33:13,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:33:13,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:33:13,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:33:13,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:33:13,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:33:13,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:33:13,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:33:13,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (1/1) ... [2021-12-06 18:33:13,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:33:13,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:33:13,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:33:13,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:33:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:33:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:33:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:33:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-06 18:33:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:33:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-06 18:33:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:33:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:33:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:33:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:33:13,573 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:33:13,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:33:13,816 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:33:13,823 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:33:13,823 INFO L301 CfgBuilder]: Removed 18 assume(true) statements. [2021-12-06 18:33:13,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:33:13 BoogieIcfgContainer [2021-12-06 18:33:13,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:33:13,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:33:13,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:33:13,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:33:13,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:33:13" (1/3) ... [2021-12-06 18:33:13,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13306d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:33:13, skipping insertion in model container [2021-12-06 18:33:13,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:13" (2/3) ... [2021-12-06 18:33:13,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13306d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:33:13, skipping insertion in model container [2021-12-06 18:33:13,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:33:13" (3/3) ... [2021-12-06 18:33:13,833 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2021-12-06 18:33:13,838 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:33:13,838 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:33:13,890 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:33:13,895 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 18:33:13,895 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:33:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 18:33:13,914 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:33:13,915 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:33:13,915 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:33:13,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:33:13,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2021-12-06 18:33:13,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:33:13,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485592843] [2021-12-06 18:33:13,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:33:13,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:33:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:33:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:33:14,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:33:14,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485592843] [2021-12-06 18:33:14,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485592843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:33:14,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:33:14,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:33:14,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504625275] [2021-12-06 18:33:14,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:33:14,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 18:33:14,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:33:14,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 18:33:14,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:33:14,072 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:14,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:33:14,093 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2021-12-06 18:33:14,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:33:14,095 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-06 18:33:14,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:33:14,102 INFO L225 Difference]: With dead ends: 140 [2021-12-06 18:33:14,103 INFO L226 Difference]: Without dead ends: 68 [2021-12-06 18:33:14,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:33:14,108 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:33:14,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:33:14,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-12-06 18:33:14,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-12-06 18:33:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2021-12-06 18:33:14,138 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2021-12-06 18:33:14,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:33:14,138 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2021-12-06 18:33:14,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-12-06 18:33:14,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 18:33:14,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:33:14,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:33:14,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:33:14,140 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:33:14,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:33:14,141 INFO L85 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2021-12-06 18:33:14,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:33:14,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874123307] [2021-12-06 18:33:14,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:33:14,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:33:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:33:14,180 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:33:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:33:14,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:33:14,221 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 18:33:14,223 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 18:33:14,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:33:14,226 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-06 18:33:14,228 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 18:33:14,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:33:14 BoogieIcfgContainer [2021-12-06 18:33:14,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 18:33:14,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:33:14,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:33:14,253 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:33:14,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:33:13" (3/4) ... [2021-12-06 18:33:14,255 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 18:33:14,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:33:14,256 INFO L158 Benchmark]: Toolchain (without parser) took 1093.35ms. Allocated memory is still 134.2MB. Free memory was 112.1MB in the beginning and 84.8MB in the end (delta: 27.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-12-06 18:33:14,256 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:33:14,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.16ms. Allocated memory is still 134.2MB. Free memory was 112.1MB in the beginning and 97.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 18:33:14,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.38ms. Allocated memory is still 134.2MB. Free memory was 97.4MB in the beginning and 94.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:33:14,258 INFO L158 Benchmark]: Boogie Preprocessor took 30.17ms. Allocated memory is still 134.2MB. Free memory was 94.8MB in the beginning and 92.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:33:14,258 INFO L158 Benchmark]: RCFGBuilder took 369.55ms. Allocated memory is still 134.2MB. Free memory was 92.4MB in the beginning and 73.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 18:33:14,259 INFO L158 Benchmark]: TraceAbstraction took 425.23ms. Allocated memory is still 134.2MB. Free memory was 72.6MB in the beginning and 84.8MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:33:14,259 INFO L158 Benchmark]: Witness Printer took 2.78ms. Allocated memory is still 134.2MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:33:14,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.16ms. Allocated memory is still 134.2MB. Free memory was 112.1MB in the beginning and 97.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.38ms. Allocated memory is still 134.2MB. Free memory was 97.4MB in the beginning and 94.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.17ms. Allocated memory is still 134.2MB. Free memory was 94.8MB in the beginning and 92.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.55ms. Allocated memory is still 134.2MB. Free memory was 92.4MB in the beginning and 73.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 425.23ms. Allocated memory is still 134.2MB. Free memory was 72.6MB in the beginning and 84.8MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.78ms. Allocated memory is still 134.2MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 242]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 237, overapproximation of bitwiseAnd at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 241. Possible FailurePath: [L18] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L144-L158] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L237] double x = -0.0; [L238] CALL, EXPR __ieee754_asin(x) [L161] double t, w, p, q, c, r, s; [L162] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, 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, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002] [L164] ieee_double_shape_type gh_u; [L165] gh_u.value = (x) [L166] EXPR gh_u.parts.msw [L166] (hx) = gh_u.parts.msw [L168] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, 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, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002] [L169] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=1044381696, 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, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002] [L180] COND TRUE ix < 0x3fe00000 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=1044381696, 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, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002] [L181] COND FALSE !(ix < 0x3e400000) [L185] t = x * x [L186-L189] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L190-L191] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L192] w = p / q [L193] return x + x * w; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=1044381696, 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, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002] [L238] RET, EXPR __ieee754_asin(x) [L238] double res = __ieee754_asin(x); [L241] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002] [L242] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 97 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 18:33:14,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:33:15,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:33:15,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:33:16,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:33:16,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:33:16,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:33:16,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:33:16,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:33:16,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:33:16,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:33:16,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:33:16,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:33:16,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:33:16,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:33:16,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:33:16,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:33:16,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:33:16,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:33:16,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:33:16,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:33:16,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:33:16,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:33:16,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:33:16,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:33:16,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:33:16,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:33:16,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:33:16,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:33:16,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:33:16,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:33:16,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:33:16,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:33:16,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:33:16,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:33:16,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:33:16,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:33:16,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:33:16,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:33:16,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:33:16,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:33:16,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:33:16,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 18:33:16,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:33:16,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:33:16,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:33:16,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:33:16,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:33:16,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:33:16,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:33:16,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:33:16,079 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:33:16,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:33:16,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:33:16,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:33:16,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:33:16,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:33:16,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:33:16,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:33:16,080 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 18:33:16,080 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 18:33:16,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 18:33:16,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:33:16,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:33:16,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:33:16,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:33:16,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:33:16,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:33:16,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:33:16,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:33:16,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:33:16,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:33:16,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:33:16,083 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 18:33:16,083 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 18:33:16,083 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:33:16,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:33:16,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:33:16,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:33:16,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 18:33:16,084 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce [2021-12-06 18:33:16,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:33:16,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:33:16,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:33:16,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:33:16,336 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:33:16,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-12-06 18:33:16,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data/abc816f1c/527a1a8e56114deb8275e9594072fe93/FLAG6b1f1f01c [2021-12-06 18:33:16,781 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:33:16,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-12-06 18:33:16,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data/abc816f1c/527a1a8e56114deb8275e9594072fe93/FLAG6b1f1f01c [2021-12-06 18:33:16,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/data/abc816f1c/527a1a8e56114deb8275e9594072fe93 [2021-12-06 18:33:16,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:33:16,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:33:16,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:33:16,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:33:16,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:33:16,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:33:16" (1/1) ... [2021-12-06 18:33:16,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565af150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:16, skipping insertion in model container [2021-12-06 18:33:16,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:33:16" (1/1) ... [2021-12-06 18:33:16,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:33:16,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:33:17,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-12-06 18:33:17,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:33:17,015 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:33:17,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-12-06 18:33:17,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:33:17,069 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:33:17,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17 WrapperNode [2021-12-06 18:33:17,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:33:17,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:33:17,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:33:17,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:33:17,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,110 INFO L137 Inliner]: procedures = 20, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 285 [2021-12-06 18:33:17,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:33:17,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:33:17,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:33:17,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:33:17,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:33:17,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:33:17,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:33:17,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:33:17,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (1/1) ... [2021-12-06 18:33:17,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:33:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:33:17,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:33:17,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:33:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:33:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-06 18:33:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-06 18:33:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 18:33:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:33:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 18:33:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:33:17,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:33:17,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 18:33:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:33:17,278 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:33:17,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:33:33,901 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:33:33,910 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:33:33,910 INFO L301 CfgBuilder]: Removed 18 assume(true) statements. [2021-12-06 18:33:33,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:33:33 BoogieIcfgContainer [2021-12-06 18:33:33,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:33:33,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:33:33,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:33:33,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:33:33,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:33:16" (1/3) ... [2021-12-06 18:33:33,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778643c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:33:33, skipping insertion in model container [2021-12-06 18:33:33,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:33:17" (2/3) ... [2021-12-06 18:33:33,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778643c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:33:33, skipping insertion in model container [2021-12-06 18:33:33,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:33:33" (3/3) ... [2021-12-06 18:33:33,926 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2021-12-06 18:33:33,931 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:33:33,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:33:33,966 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:33:33,971 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 18:33:33,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:33:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 18:33:33,985 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:33:33,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:33:33,986 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:33:33,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:33:33,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2021-12-06 18:33:33,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:33:33,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900699098] [2021-12-06 18:33:33,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:33:33,999 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:33:33,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:33:34,000 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:33:34,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 18:33:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:33:34,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 18:33:34,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:33:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:33:34,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:33:34,729 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:33:34,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900699098] [2021-12-06 18:33:34,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900699098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:33:34,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:33:34,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:33:34,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839641660] [2021-12-06 18:33:34,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:33:34,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 18:33:34,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:33:34,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 18:33:34,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:33:34,765 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:34,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:33:34,784 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2021-12-06 18:33:34,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:33:34,786 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-06 18:33:34,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:33:34,792 INFO L225 Difference]: With dead ends: 140 [2021-12-06 18:33:34,793 INFO L226 Difference]: Without dead ends: 68 [2021-12-06 18:33:34,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:33:34,798 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:33:34,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:33:34,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-12-06 18:33:34,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-12-06 18:33:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2021-12-06 18:33:34,832 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2021-12-06 18:33:34,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:33:34,833 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2021-12-06 18:33:34,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-12-06 18:33:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 18:33:34,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:33:34,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:33:34,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:33:35,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:33:35,036 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:33:35,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:33:35,039 INFO L85 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2021-12-06 18:33:35,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:33:35,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564087812] [2021-12-06 18:33:35,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:33:35,043 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:33:35,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:33:35,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:33:35,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 18:33:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:33:38,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:33:38,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:33:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:33:39,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:33:39,919 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:33:39,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564087812] [2021-12-06 18:33:39,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564087812] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:33:39,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:33:39,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:33:39,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81283782] [2021-12-06 18:33:39,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:33:39,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:33:39,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:33:39,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:33:39,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:33:39,923 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:42,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 18:33:43,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 18:33:43,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:33:43,986 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2021-12-06 18:33:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:33:43,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-06 18:33:43,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:33:43,997 INFO L225 Difference]: With dead ends: 72 [2021-12-06 18:33:43,997 INFO L226 Difference]: Without dead ends: 68 [2021-12-06 18:33:43,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:33:43,998 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 2 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:33:43,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 327 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 1 Unknown, 15 Unchecked, 3.8s Time] [2021-12-06 18:33:44,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-12-06 18:33:44,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-12-06 18:33:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 93 transitions. [2021-12-06 18:33:44,007 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 93 transitions. Word has length 11 [2021-12-06 18:33:44,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:33:44,007 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 93 transitions. [2021-12-06 18:33:44,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2021-12-06 18:33:44,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 18:33:44,008 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:33:44,008 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:33:44,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 18:33:44,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:33:44,210 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:33:44,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:33:44,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1843424530, now seen corresponding path program 1 times [2021-12-06 18:33:44,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:33:44,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516537494] [2021-12-06 18:33:44,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:33:44,215 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:33:44,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:33:44,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:33:44,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 18:33:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:33:44,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:33:44,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:33:45,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:33:45,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:33:45,833 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:33:45,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516537494] [2021-12-06 18:33:45,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [516537494] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:33:45,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:33:45,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:33:45,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62376994] [2021-12-06 18:33:45,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:33:45,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:33:45,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:33:45,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:33:45,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:33:45,837 INFO L87 Difference]: Start difference. First operand 68 states and 93 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:46,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:33:46,607 INFO L93 Difference]: Finished difference Result 72 states and 96 transitions. [2021-12-06 18:33:46,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:33:46,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-06 18:33:46,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:33:46,617 INFO L225 Difference]: With dead ends: 72 [2021-12-06 18:33:46,618 INFO L226 Difference]: Without dead ends: 65 [2021-12-06 18:33:46,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:33:46,619 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 2 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 18:33:46,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 325 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 12 Unchecked, 0.6s Time] [2021-12-06 18:33:46,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-12-06 18:33:46,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-12-06 18:33:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.375) internal successors, (88), 64 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 88 transitions. [2021-12-06 18:33:46,626 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 88 transitions. Word has length 12 [2021-12-06 18:33:46,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:33:46,626 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 88 transitions. [2021-12-06 18:33:46,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2021-12-06 18:33:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 18:33:46,627 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:33:46,627 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:33:46,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 18:33:46,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:33:46,829 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:33:46,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:33:46,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2021-12-06 18:33:46,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:33:46,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303657321] [2021-12-06 18:33:46,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:33:46,833 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:33:46,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:33:46,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:33:46,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 18:33:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:33:47,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:33:47,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:33:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:33:48,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:33:48,927 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:33:48,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303657321] [2021-12-06 18:33:48,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303657321] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:33:48,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:33:48,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:33:48,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860868259] [2021-12-06 18:33:48,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:33:48,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:33:48,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:33:48,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:33:48,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:33:48,929 INFO L87 Difference]: Start difference. First operand 65 states and 88 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:50,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:33:50,296 INFO L93 Difference]: Finished difference Result 69 states and 91 transitions. [2021-12-06 18:33:50,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:33:50,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-06 18:33:50,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:33:50,299 INFO L225 Difference]: With dead ends: 69 [2021-12-06 18:33:50,299 INFO L226 Difference]: Without dead ends: 65 [2021-12-06 18:33:50,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:33:50,301 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 82 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:33:50,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 243 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 18:33:50,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-12-06 18:33:50,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-12-06 18:33:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2021-12-06 18:33:50,309 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 12 [2021-12-06 18:33:50,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:33:50,310 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-12-06 18:33:50,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:50,310 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-12-06 18:33:50,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 18:33:50,311 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:33:50,311 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:33:50,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 18:33:50,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:33:50,513 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:33:50,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:33:50,515 INFO L85 PathProgramCache]: Analyzing trace with hash -147521957, now seen corresponding path program 1 times [2021-12-06 18:33:50,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:33:50,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008065048] [2021-12-06 18:33:50,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:33:50,518 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:33:50,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:33:50,518 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:33:50,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 18:33:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:33:54,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:33:54,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:33:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:33:56,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:33:56,050 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:33:56,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008065048] [2021-12-06 18:33:56,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008065048] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:33:56,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:33:56,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:33:56,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879736470] [2021-12-06 18:33:56,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:33:56,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:33:56,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:33:56,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:33:56,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:33:56,052 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:56,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:33:56,451 INFO L93 Difference]: Finished difference Result 121 states and 164 transitions. [2021-12-06 18:33:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:33:56,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-12-06 18:33:56,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:33:56,453 INFO L225 Difference]: With dead ends: 121 [2021-12-06 18:33:56,454 INFO L226 Difference]: Without dead ends: 65 [2021-12-06 18:33:56,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:33:56,455 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:33:56,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 316 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 11 Unchecked, 0.2s Time] [2021-12-06 18:33:56,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-12-06 18:33:56,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-12-06 18:33:56,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.34375) internal successors, (86), 64 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions. [2021-12-06 18:33:56,461 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 23 [2021-12-06 18:33:56,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:33:56,462 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions. [2021-12-06 18:33:56,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:33:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2021-12-06 18:33:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 18:33:56,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:33:56,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:33:56,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 18:33:56,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:33:56,664 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:33:56,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:33:56,666 INFO L85 PathProgramCache]: Analyzing trace with hash -476640013, now seen corresponding path program 1 times [2021-12-06 18:33:56,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:33:56,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377516768] [2021-12-06 18:33:56,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:33:56,668 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:33:56,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:33:56,670 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:33:56,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 18:34:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:34:00,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 18:34:00,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:34:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:34:03,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:34:03,471 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:34:03,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377516768] [2021-12-06 18:34:03,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377516768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:34:03,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:34:03,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:34:03,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716987858] [2021-12-06 18:34:03,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:34:03,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:34:03,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:34:03,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:34:03,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:34:03,473 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:34:03,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:34:03,540 INFO L93 Difference]: Finished difference Result 65 states and 86 transitions. [2021-12-06 18:34:03,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:34:03,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-12-06 18:34:03,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:34:03,542 INFO L225 Difference]: With dead ends: 65 [2021-12-06 18:34:03,542 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 18:34:03,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:34:03,544 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:34:03,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 18:34:03,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 18:34:03,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 18:34:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:34:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 18:34:03,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-12-06 18:34:03,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:34:03,546 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:34:03,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:34:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:34:03,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 18:34:03,549 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 18:34:03,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-06 18:34:03,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:34:03,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 18:34:04,867 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 94) no Hoare annotation was computed. [2021-12-06 18:34:04,868 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2021-12-06 18:34:04,868 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 140) no Hoare annotation was computed. [2021-12-06 18:34:04,868 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 128 142) no Hoare annotation was computed. [2021-12-06 18:34:04,868 INFO L858 garLoopResultBuilder]: For program point L135-2(lines 135 140) no Hoare annotation was computed. [2021-12-06 18:34:04,868 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 41) no Hoare annotation was computed. [2021-12-06 18:34:04,869 INFO L854 garLoopResultBuilder]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2021-12-06 18:34:04,869 INFO L858 garLoopResultBuilder]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2021-12-06 18:34:04,869 INFO L858 garLoopResultBuilder]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2021-12-06 18:34:04,869 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 18:34:04,869 INFO L858 garLoopResultBuilder]: For program point L119-1(lines 119 124) no Hoare annotation was computed. [2021-12-06 18:34:04,869 INFO L854 garLoopResultBuilder]: At program point L119-2(lines 119 124) the Hoare annotation is: false [2021-12-06 18:34:04,869 INFO L858 garLoopResultBuilder]: For program point L119-3(lines 119 124) no Hoare annotation was computed. [2021-12-06 18:34:04,870 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 195) no Hoare annotation was computed. [2021-12-06 18:34:04,870 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-12-06 18:34:04,870 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-12-06 18:34:04,870 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 88) no Hoare annotation was computed. [2021-12-06 18:34:04,870 INFO L858 garLoopResultBuilder]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2021-12-06 18:34:04,870 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-12-06 18:34:04,870 INFO L858 garLoopResultBuilder]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2021-12-06 18:34:04,870 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 171 175) no Hoare annotation was computed. [2021-12-06 18:34:04,871 INFO L854 garLoopResultBuilder]: At program point L171-2(lines 171 175) the Hoare annotation is: false [2021-12-06 18:34:04,871 INFO L858 garLoopResultBuilder]: For program point L171-3(lines 169 180) no Hoare annotation was computed. [2021-12-06 18:34:04,871 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-12-06 18:34:04,871 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 111) no Hoare annotation was computed. [2021-12-06 18:34:04,871 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 91) no Hoare annotation was computed. [2021-12-06 18:34:04,871 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2021-12-06 18:34:04,871 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 222) no Hoare annotation was computed. [2021-12-06 18:34:04,872 INFO L858 garLoopResultBuilder]: For program point L206-2(lines 160 227) no Hoare annotation was computed. [2021-12-06 18:34:04,872 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2021-12-06 18:34:04,872 INFO L858 garLoopResultBuilder]: For program point L107-2(lines 107 108) no Hoare annotation was computed. [2021-12-06 18:34:04,872 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 18:34:04,872 INFO L858 garLoopResultBuilder]: For program point L58(lines 58 61) no Hoare annotation was computed. [2021-12-06 18:34:04,872 INFO L858 garLoopResultBuilder]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2021-12-06 18:34:04,872 INFO L854 garLoopResultBuilder]: At program point L141(lines 128 142) the Hoare annotation is: false [2021-12-06 18:34:04,873 INFO L854 garLoopResultBuilder]: At program point L125(lines 20 126) the Hoare annotation is: false [2021-12-06 18:34:04,873 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2021-12-06 18:34:04,873 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2021-12-06 18:34:04,873 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 20 126) no Hoare annotation was computed. [2021-12-06 18:34:04,873 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 244) no Hoare annotation was computed. [2021-12-06 18:34:04,873 INFO L858 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2021-12-06 18:34:04,873 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 55) no Hoare annotation was computed. [2021-12-06 18:34:04,874 INFO L858 garLoopResultBuilder]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2021-12-06 18:34:04,874 INFO L854 garLoopResultBuilder]: At program point L226(lines 160 227) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asin_#res#1| |ULTIMATE.start_main_~x~0#1|) (= (fp.neg (_ +zero 11 53)) |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start___ieee754_asin_~x#1| |ULTIMATE.start_main_~x~0#1|)) [2021-12-06 18:34:04,874 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 18:34:04,874 INFO L854 garLoopResultBuilder]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2021-12-06 18:34:04,874 INFO L858 garLoopResultBuilder]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2021-12-06 18:34:04,874 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 211 216) no Hoare annotation was computed. [2021-12-06 18:34:04,874 INFO L854 garLoopResultBuilder]: At program point L211-2(lines 211 216) the Hoare annotation is: false [2021-12-06 18:34:04,875 INFO L858 garLoopResultBuilder]: For program point L211-3(lines 211 216) no Hoare annotation was computed. [2021-12-06 18:34:04,875 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-12-06 18:34:04,875 INFO L854 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= |ULTIMATE.start___ieee754_asin_~x#1| (fp.neg (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_asin_~x#1| |ULTIMATE.start_main_~x~0#1|)) [2021-12-06 18:34:04,875 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-12-06 18:34:04,875 INFO L858 garLoopResultBuilder]: For program point L163-3(lines 163 167) no Hoare annotation was computed. [2021-12-06 18:34:04,875 INFO L854 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: false [2021-12-06 18:34:04,875 INFO L861 garLoopResultBuilder]: At program point L246(lines 229 247) the Hoare annotation is: true [2021-12-06 18:34:04,876 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 195) no Hoare annotation was computed. [2021-12-06 18:34:04,876 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 180 195) no Hoare annotation was computed. [2021-12-06 18:34:04,876 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 18:34:04,876 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 242) no Hoare annotation was computed. [2021-12-06 18:34:04,876 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 194) no Hoare annotation was computed. [2021-12-06 18:34:04,876 INFO L854 garLoopResultBuilder]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2021-12-06 18:34:04,876 INFO L858 garLoopResultBuilder]: For program point L82-3(lines 20 126) no Hoare annotation was computed. [2021-12-06 18:34:04,876 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 113) no Hoare annotation was computed. [2021-12-06 18:34:04,877 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 183) no Hoare annotation was computed. [2021-12-06 18:34:04,877 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 117) no Hoare annotation was computed. [2021-12-06 18:34:04,877 INFO L858 garLoopResultBuilder]: For program point L116-2(lines 116 117) no Hoare annotation was computed. [2021-12-06 18:34:04,877 INFO L858 garLoopResultBuilder]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2021-12-06 18:34:04,877 INFO L854 garLoopResultBuilder]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2021-12-06 18:34:04,877 INFO L858 garLoopResultBuilder]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2021-12-06 18:34:04,877 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-12-06 18:34:04,881 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-06 18:34:04,882 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 18:34:04,894 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 18:34:04,896 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 18:34:04,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:34:04 BoogieIcfgContainer [2021-12-06 18:34:04,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 18:34:04,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:34:04,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:34:04,898 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:34:04,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:33:33" (3/4) ... [2021-12-06 18:34:04,900 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 18:34:04,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-12-06 18:34:04,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-06 18:34:04,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 18:34:04,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 18:34:04,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == x && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == x [2021-12-06 18:34:04,948 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 18:34:04,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:34:04,949 INFO L158 Benchmark]: Toolchain (without parser) took 48144.09ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.6MB in the beginning and 45.2MB in the end (delta: -14.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-12-06 18:34:04,949 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:34:04,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.12ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.4MB in the beginning and 43.9MB in the end (delta: -13.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-12-06 18:34:04,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.19ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 41.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:34:04,950 INFO L158 Benchmark]: Boogie Preprocessor took 33.85ms. Allocated memory is still 67.1MB. Free memory was 41.2MB in the beginning and 38.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:34:04,950 INFO L158 Benchmark]: RCFGBuilder took 16766.58ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 32.8MB in the end (delta: 5.8MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-12-06 18:34:04,950 INFO L158 Benchmark]: TraceAbstraction took 30982.89ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 111.5kB). Peak memory consumption was 316.1kB. Max. memory is 16.1GB. [2021-12-06 18:34:04,951 INFO L158 Benchmark]: Witness Printer took 50.84ms. Allocated memory is still 67.1MB. Free memory was 32.2MB in the beginning and 45.2MB in the end (delta: -13.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 18:34:04,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.12ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.4MB in the beginning and 43.9MB in the end (delta: -13.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.19ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 41.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.85ms. Allocated memory is still 67.1MB. Free memory was 41.2MB in the beginning and 38.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16766.58ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 32.8MB in the end (delta: 5.8MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 30982.89ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 111.5kB). Peak memory consumption was 316.1kB. Max. memory is 16.1GB. * Witness Printer took 50.84ms. Allocated memory is still 67.1MB. Free memory was 32.2MB in the beginning and 45.2MB in the end (delta: -13.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 242]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 1315 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 38 IncrementalHoareTripleChecker+Unchecked, 876 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 439 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 44 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 12.3s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 12 QuantifiedInterpolants, 483 SizeOfPredicates, 29 NumberOfNonLiveVariables, 473 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (\result == x && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == x - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2021-12-06 18:34:04,960 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-06 18:34:04,961 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_asin && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == x - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-06 18:34:05,164 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-06 18:34:05,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6cc1d6-2f1c-45a1-9f4e-27b4da29d248/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE