./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cos_polynomial.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF --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 c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:31:54,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:31:54,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:31:54,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:31:54,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:31:54,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:31:54,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:31:54,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:31:54,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:31:54,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:31:54,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:31:54,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:31:54,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:31:54,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:31:54,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:31:54,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:31:54,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:31:54,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:31:54,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:31:54,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:31:54,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:31:54,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:31:54,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:31:54,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:31:54,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:31:54,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:31:54,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:31:54,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:31:54,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:31:54,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:31:54,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:31:54,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:31:54,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:31:54,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:31:54,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:31:54,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:31:54,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:31:54,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:31:54,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:31:54,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:31:54,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:31:54,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 05:31:54,708 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:31:54,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:31:54,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:31:54,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:31:54,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:31:54,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:31:54,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:31:54,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:31:54,718 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:31:54,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:31:54,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:31:54,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:31:54,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:31:54,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:31:54,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:31:54,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:31:54,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:31:54,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:31:54,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:31:54,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:31:54,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:31:54,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:31:54,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:31:54,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:31:54,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:31:54,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:31:54,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:31:54,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:31:54,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:31:54,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:31:54,725 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:31:54,725 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:31:54,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:31:54,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:31:54,726 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_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2021-11-20 05:31:55,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:31:55,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:31:55,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:31:55,088 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:31:55,089 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:31:55,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-20 05:31:55,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data/76868135b/19412328f0b843d1b1b7bafd8d142630/FLAG2413f269b [2021-11-20 05:31:55,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:31:55,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-20 05:31:55,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data/76868135b/19412328f0b843d1b1b7bafd8d142630/FLAG2413f269b [2021-11-20 05:31:55,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data/76868135b/19412328f0b843d1b1b7bafd8d142630 [2021-11-20 05:31:55,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:31:55,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:31:55,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:31:55,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:31:55,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:31:55,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:55" (1/1) ... [2021-11-20 05:31:55,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6b093d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:55, skipping insertion in model container [2021-11-20 05:31:55,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:55" (1/1) ... [2021-11-20 05:31:56,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:31:56,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:31:56,152 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_993a9d61-8938-4fab-9990-7436202a8ef6/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-20 05:31:56,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:31:56,188 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:31:56,208 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_993a9d61-8938-4fab-9990-7436202a8ef6/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-20 05:31:56,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:31:56,228 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:31:56,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56 WrapperNode [2021-11-20 05:31:56,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:31:56,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:31:56,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:31:56,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:31:56,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,259 INFO L137 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2021-11-20 05:31:56,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:31:56,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:31:56,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:31:56,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:31:56,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:31:56,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:31:56,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:31:56,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:31:56,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (1/1) ... [2021-11-20 05:31:56,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:31:56,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:31:56,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:31:56,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:31:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:31:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:31:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:31:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:31:56,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:31:56,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:31:56,554 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:31:56,559 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:31:56,560 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 05:31:56,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:31:56 BoogieIcfgContainer [2021-11-20 05:31:56,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:31:56,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:31:56,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:31:56,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:31:56,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:31:55" (1/3) ... [2021-11-20 05:31:56,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2b96e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:31:56, skipping insertion in model container [2021-11-20 05:31:56,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:56" (2/3) ... [2021-11-20 05:31:56,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2b96e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:31:56, skipping insertion in model container [2021-11-20 05:31:56,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:31:56" (3/3) ... [2021-11-20 05:31:56,595 INFO L111 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2021-11-20 05:31:56,600 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:31:56,600 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:31:56,645 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:31:56,652 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 [2021-11-20 05:31:56,653 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:31:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:31:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 05:31:56,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:31:56,671 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:31:56,672 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:31:56,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:31:56,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1236255304, now seen corresponding path program 1 times [2021-11-20 05:31:56,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:31:56,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105958426] [2021-11-20 05:31:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:31:56,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:31:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:31:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:31:56,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:31:56,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105958426] [2021-11-20 05:31:56,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105958426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:31:56,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:31:56,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:31:56,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583840279] [2021-11-20 05:31:56,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:31:56,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:31:56,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:31:56,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:31:56,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:31:56,889 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:31:56,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:31:56,923 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-11-20 05:31:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:31:56,928 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 05:31:56,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:31:56,933 INFO L225 Difference]: With dead ends: 31 [2021-11-20 05:31:56,934 INFO L226 Difference]: Without dead ends: 13 [2021-11-20 05:31:56,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:31:56,940 INFO L933 BasicCegarLoop]: 19 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, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:31:56,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:31:56,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-20 05:31:56,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-20 05:31:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:31:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-20 05:31:56,969 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2021-11-20 05:31:56,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:31:56,969 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-20 05:31:56,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:31:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-20 05:31:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 05:31:56,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:31:56,970 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:31:56,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:31:56,971 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:31:56,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:31:56,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2045601930, now seen corresponding path program 1 times [2021-11-20 05:31:56,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:31:56,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259952292] [2021-11-20 05:31:56,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:31:56,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:31:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:31:56,999 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:31:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:31:57,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:31:57,039 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 05:31:57,041 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:31:57,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:31:57,046 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-20 05:31:57,049 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:31:57,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:31:57 BoogieIcfgContainer [2021-11-20 05:31:57,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:31:57,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:31:57,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:31:57,075 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:31:57,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:31:56" (3/4) ... [2021-11-20 05:31:57,078 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:31:57,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:31:57,080 INFO L158 Benchmark]: Toolchain (without parser) took 1093.96ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 74.6MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:31:57,080 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:31:57,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.99ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.5MB in the beginning and 83.0MB in the end (delta: -31.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-20 05:31:57,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.64ms. Allocated memory is still 107.0MB. Free memory was 82.8MB in the beginning and 81.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:31:57,083 INFO L158 Benchmark]: Boogie Preprocessor took 21.32ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 80.3MB in the end (delta: 961.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:31:57,083 INFO L158 Benchmark]: RCFGBuilder took 279.46ms. Allocated memory is still 107.0MB. Free memory was 80.3MB in the beginning and 71.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:31:57,084 INFO L158 Benchmark]: TraceAbstraction took 510.91ms. Allocated memory is still 107.0MB. Free memory was 70.6MB in the beginning and 74.8MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:31:57,085 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 271.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:31:57,093 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 88.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.99ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.5MB in the beginning and 83.0MB in the end (delta: -31.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.64ms. Allocated memory is still 107.0MB. Free memory was 82.8MB in the beginning and 81.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.32ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 80.3MB in the end (delta: 961.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.46ms. Allocated memory is still 107.0MB. Free memory was 80.3MB in the beginning and 71.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 510.91ms. Allocated memory is still 107.0MB. Free memory was 70.6MB in the beginning and 74.8MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 271.6kB). 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: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 32. Possible FailurePath: [L16] double C1 = 4.16666666666666019037e-02; [L17] double C2 = -1.38888888888741095749e-03; [L18] double C3 = 2.48015872894767294178e-05; [L19] double C4 = -2.75573143513906633035e-07; [L20] double C5 = 2.08757232129817482790e-09; [L21] double C6 = -1.13596475577881948265e-11; VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L49] double a, r; [L51] a = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(a >= -0.5 && a <= 0.75) [L12] COND FALSE !(!cond) VAL [\old(cond)=1, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=1] [L52] RET assume_abort_if_not(a >= -0.5 && a <= 0.75) [L54] CALL, EXPR mcos(a) [L25] double a, hz, z, r, qx, zr; [L26] z = x*x VAL [\old(x)=50, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, x=50] [L27] COND TRUE x < 0. [L27] x = -x VAL [\old(x)=50, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L28] hz = 0.5 * z [L29] r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6))))) [L30] zr = z*r VAL [\old(x)=50, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L31] COND TRUE x < 0.3 [L32] return 1.-(hz-zr); VAL [\old(x)=50, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L54] RET, EXPR mcos(a) [L54] r = mcos(a) [L56] CALL __VERIFIER_assert(r >= 0. && r <= 1.1) [L14] COND TRUE !(cond) VAL [\old(cond)=0, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=0] [L14] reach_error() VAL [\old(cond)=0, C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 19 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, 19 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=17occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 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 [2021-11-20 05:31:57,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF --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 c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:31:59,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:31:59,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:31:59,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:31:59,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:31:59,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:31:59,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:31:59,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:31:59,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:31:59,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:31:59,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:31:59,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:31:59,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:31:59,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:31:59,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:31:59,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:31:59,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:31:59,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:31:59,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:31:59,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:31:59,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:31:59,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:31:59,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:31:59,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:31:59,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:31:59,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:31:59,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:31:59,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:31:59,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:31:59,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:31:59,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:31:59,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:31:59,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:31:59,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:31:59,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:31:59,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:31:59,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:31:59,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:31:59,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:31:59,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:31:59,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:31:59,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 05:31:59,672 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:31:59,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:31:59,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:31:59,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:31:59,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:31:59,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:31:59,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:31:59,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:31:59,676 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:31:59,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:31:59,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:31:59,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:31:59,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:31:59,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:31:59,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:31:59,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:31:59,678 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 05:31:59,678 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 05:31:59,678 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 05:31:59,679 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:31:59,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:31:59,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:31:59,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:31:59,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:31:59,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:31:59,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:31:59,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:31:59,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:31:59,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:31:59,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:31:59,681 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 05:31:59,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 05:31:59,682 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:31:59,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:31:59,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:31:59,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:31:59,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 05:31:59,683 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_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2021-11-20 05:32:00,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:32:00,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:32:00,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:32:00,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:32:00,102 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:32:00,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-20 05:32:00,173 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data/63b3e0425/3a9591e629724f82806989165feb06a6/FLAG79bdb1308 [2021-11-20 05:32:00,626 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:32:00,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-20 05:32:00,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data/63b3e0425/3a9591e629724f82806989165feb06a6/FLAG79bdb1308 [2021-11-20 05:32:01,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/data/63b3e0425/3a9591e629724f82806989165feb06a6 [2021-11-20 05:32:01,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:32:01,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:32:01,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:32:01,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:32:01,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:32:01,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb549b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01, skipping insertion in model container [2021-11-20 05:32:01,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:32:01,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:32:01,245 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_993a9d61-8938-4fab-9990-7436202a8ef6/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-20 05:32:01,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:32:01,284 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:32:01,295 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_993a9d61-8938-4fab-9990-7436202a8ef6/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-20 05:32:01,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:32:01,345 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:32:01,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01 WrapperNode [2021-11-20 05:32:01,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:32:01,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:32:01,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:32:01,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:32:01,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,408 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2021-11-20 05:32:01,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:32:01,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:32:01,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:32:01,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:32:01,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:32:01,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:32:01,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:32:01,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:32:01,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (1/1) ... [2021-11-20 05:32:01,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:32:01,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:32:01,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:32:01,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:32:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:32:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 05:32:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:32:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:32:01,613 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:32:01,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:32:07,708 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:32:07,713 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:32:07,714 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 05:32:07,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:07 BoogieIcfgContainer [2021-11-20 05:32:07,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:32:07,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:32:07,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:32:07,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:32:07,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:32:01" (1/3) ... [2021-11-20 05:32:07,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28afb6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:32:07, skipping insertion in model container [2021-11-20 05:32:07,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:01" (2/3) ... [2021-11-20 05:32:07,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28afb6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:32:07, skipping insertion in model container [2021-11-20 05:32:07,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:07" (3/3) ... [2021-11-20 05:32:07,724 INFO L111 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2021-11-20 05:32:07,729 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:32:07,729 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:32:07,795 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:32:07,806 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 [2021-11-20 05:32:07,806 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:32:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:32:07,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 05:32:07,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:07,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:32:07,833 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:07,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:07,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1236255304, now seen corresponding path program 1 times [2021-11-20 05:32:07,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:32:07,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418847743] [2021-11-20 05:32:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:07,862 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:32:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:32:07,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:32:07,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 05:32:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:10,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 05:32:10,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:32:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:32:10,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:32:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:32:10,433 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:32:10,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418847743] [2021-11-20 05:32:10,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418847743] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:32:10,434 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:32:10,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 05:32:10,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137476757] [2021-11-20 05:32:10,436 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:32:10,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:32:10,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:32:10,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:32:10,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:32:10,468 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:32:10,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:32:10,482 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-11-20 05:32:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:32:10,484 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-20 05:32:10,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:32:10,491 INFO L225 Difference]: With dead ends: 31 [2021-11-20 05:32:10,491 INFO L226 Difference]: Without dead ends: 13 [2021-11-20 05:32:10,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:32:10,498 INFO L933 BasicCegarLoop]: 19 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, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:32:10,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:32:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-20 05:32:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-20 05:32:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:32:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-20 05:32:10,528 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2021-11-20 05:32:10,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:32:10,528 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-20 05:32:10,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:32:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-20 05:32:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-20 05:32:10,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:10,530 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:32:10,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:32:10,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:32:10,732 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:10,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:10,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2045601930, now seen corresponding path program 1 times [2021-11-20 05:32:10,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:32:10,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674166306] [2021-11-20 05:32:10,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:10,734 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:32:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:32:10,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:32:10,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_993a9d61-8938-4fab-9990-7436202a8ef6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 05:42:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:09,311 WARN L261 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-20 05:42:09,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:42:37,455 WARN L227 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 05:42:58,534 WARN L227 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 05:43:20,029 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_mcos_~x#1_12| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0))) (.cse1 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_12| |v_ULTIMATE.start_mcos_~x#1_12|))) (and (fp.lt |v_ULTIMATE.start_mcos_~x#1_12| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_mcos_~x#1_12| (fp.neg .cse0)) (= |c_ULTIMATE.start_mcos_~hz~0#1| (fp.mul c_currentRoundingMode .cse0 .cse1)) (= |c_ULTIMATE.start_mcos_~zr~0#1| (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) is different from false [2021-11-20 05:43:37,072 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_mcos_~x#1_12| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (fp.lt |v_ULTIMATE.start_mcos_~x#1_12| (_ +zero 11 53)) (= (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse1 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_12| |v_ULTIMATE.start_mcos_~x#1_12|))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse1) (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))) |c_ULTIMATE.start_mcos_#res#1|) (fp.geq |v_ULTIMATE.start_mcos_~x#1_12| (fp.neg .cse0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-20 05:44:45,274 WARN L227 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:44:55,270 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 40 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:00,337 WARN L227 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 39 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:05,357 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:10,386 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 40 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:15,405 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:20,441 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 41 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:25,496 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 40 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:30,567 WARN L227 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:35,621 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:38,046 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_mcos_~x#1_12| (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)))) (and (let ((.cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse4 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_12| |v_ULTIMATE.start_mcos_~x#1_12|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 .cse4) (fp.mul roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) (let ((.cse1 (fp.leq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (.cse0 (fp.geq .cse2 (_ +zero 11 53)))) (or (and .cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (not .cse1) (not .cse0)))))) (fp.lt |v_ULTIMATE.start_mcos_~x#1_12| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_mcos_~x#1_12| (fp.neg .cse3))))) is different from false [2021-11-20 05:45:40,259 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_mcos_~x#1_12| (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)))) (and (let ((.cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse4 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_mcos_~x#1_12| |v_ULTIMATE.start_mcos_~x#1_12|))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 .cse4) (fp.mul roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) (let ((.cse1 (fp.leq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (.cse0 (fp.geq .cse2 (_ +zero 11 53)))) (or (and .cse0 (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (not .cse1) (not .cse0)))))) (fp.lt |v_ULTIMATE.start_mcos_~x#1_12| (_ +zero 11 53)) (fp.geq |v_ULTIMATE.start_mcos_~x#1_12| (fp.neg .cse3))))) is different from true [2021-11-20 05:45:54,779 WARN L227 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:45:59,828 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:46:12,021 WARN L227 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:46:17,078 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:46:22,133 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:46:27,207 WARN L227 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:46:32,328 WARN L227 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 41 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 05:46:37,391 WARN L227 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 40 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)