./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3 --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 8771fe52d76e2ea5bc3e8e7989f8459d27e5992c ............................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3 --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 8771fe52d76e2ea5bc3e8e7989f8459d27e5992c ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:40:46,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:40:46,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:40:46,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:40:46,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:40:46,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:40:46,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:40:46,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:40:46,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:40:46,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:40:46,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:40:46,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:40:46,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:40:46,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:40:46,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:40:46,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:40:46,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:40:46,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:40:46,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:40:46,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:40:46,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:40:46,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:40:46,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:40:46,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:40:46,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:40:46,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:40:46,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:40:46,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:40:46,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:40:46,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:40:46,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:40:46,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:40:46,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:40:46,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:40:46,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:40:46,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:40:46,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:40:46,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:40:46,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:40:46,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:40:46,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:40:46,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:40:46,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:40:46,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:40:46,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:40:46,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:40:46,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:40:46,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:40:46,979 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:40:46,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:40:46,980 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:40:46,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:40:46,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:40:46,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:40:46,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:40:46,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:40:46,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:40:46,983 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:40:46,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:40:46,983 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:40:46,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:40:46,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:40:46,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:40:46,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:40:46,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:40:46,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:40:46,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:40:46,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:40:46,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:40:46,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:40:46,986 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:40:46,988 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:40:46,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:40:46,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:40:46,989 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_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8771fe52d76e2ea5bc3e8e7989f8459d27e5992c [2021-10-15 19:40:47,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:40:47,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:40:47,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:40:47,312 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:40:47,313 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:40:47,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/floats-cdfpl/sine_2.i [2021-10-15 19:40:47,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data/56adb3429/a1b5ddb973354cc6bc885165e66d0f08/FLAGce6a45c92 [2021-10-15 19:40:47,947 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:40:47,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/sv-benchmarks/c/floats-cdfpl/sine_2.i [2021-10-15 19:40:47,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data/56adb3429/a1b5ddb973354cc6bc885165e66d0f08/FLAGce6a45c92 [2021-10-15 19:40:48,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data/56adb3429/a1b5ddb973354cc6bc885165e66d0f08 [2021-10-15 19:40:48,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:40:48,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:40:48,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:40:48,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:40:48,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:40:48,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5a3964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48, skipping insertion in model container [2021-10-15 19:40:48,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:40:48,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:40:48,535 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/sv-benchmarks/c/floats-cdfpl/sine_2.i[1143,1156] [2021-10-15 19:40:48,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:40:48,552 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:40:48,572 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/sv-benchmarks/c/floats-cdfpl/sine_2.i[1143,1156] [2021-10-15 19:40:48,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:40:48,587 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:40:48,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48 WrapperNode [2021-10-15 19:40:48,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:40:48,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:40:48,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:40:48,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:40:48,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:40:48,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:40:48,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:40:48,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:40:48,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:40:48,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:40:48,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:40:48,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:40:48,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (1/1) ... [2021-10-15 19:40:48,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:40:48,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:40:48,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:40:48,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:40:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:40:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:40:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:40:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:40:49,011 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:40:49,012 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-15 19:40:49,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:49 BoogieIcfgContainer [2021-10-15 19:40:49,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:40:49,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:40:49,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:40:49,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:40:49,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:40:48" (1/3) ... [2021-10-15 19:40:49,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0a6523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:40:49, skipping insertion in model container [2021-10-15 19:40:49,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:48" (2/3) ... [2021-10-15 19:40:49,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0a6523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:40:49, skipping insertion in model container [2021-10-15 19:40:49,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:49" (3/3) ... [2021-10-15 19:40:49,024 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_2.i [2021-10-15 19:40:49,031 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:40:49,031 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:40:49,092 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:40:49,101 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, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:40:49,102 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:40:49,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 11 places, 12 transitions, 24 flow [2021-10-15 19:40:49,136 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-10-15 19:40:49,136 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:40:49,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 12 events. 2/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 19:40:49,139 INFO L82 GeneralOperation]: Start removeDead. Operand has 11 places, 12 transitions, 24 flow [2021-10-15 19:40:49,143 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 7 places, 7 transitions, 14 flow [2021-10-15 19:40:49,146 INFO L129 PetriNetUnfolder]: 1/6 cut-off events. [2021-10-15 19:40:49,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:40:49,146 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:40:49,147 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-15 19:40:49,148 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:40:49,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:40:49,155 INFO L82 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-10-15 19:40:49,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:40:49,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448034456] [2021-10-15 19:40:49,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:40:49,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:40:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:40:49,300 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:40:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:40:49,348 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:40:49,350 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:40:49,352 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:40:49,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:40:49,362 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:40:49,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:40:49 BoogieIcfgContainer [2021-10-15 19:40:49,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:40:49,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:40:49,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:40:49,383 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:40:49,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:49" (3/4) ... [2021-10-15 19:40:49,388 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:40:49,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:40:49,391 INFO L168 Benchmark]: Toolchain (without parser) took 1123.33 ms. Allocated memory is still 111.1 MB. Free memory was 67.8 MB in the beginning and 57.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:49,392 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory is still 84.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:40:49,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.86 ms. Allocated memory is still 111.1 MB. Free memory was 67.6 MB in the beginning and 83.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:49,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.77 ms. Allocated memory is still 111.1 MB. Free memory was 83.7 MB in the beginning and 82.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:40:49,394 INFO L168 Benchmark]: Boogie Preprocessor took 50.50 ms. Allocated memory is still 111.1 MB. Free memory was 82.2 MB in the beginning and 81.6 MB in the end (delta: 630.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:49,395 INFO L168 Benchmark]: RCFGBuilder took 319.98 ms. Allocated memory is still 111.1 MB. Free memory was 81.6 MB in the beginning and 72.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:49,396 INFO L168 Benchmark]: TraceAbstraction took 365.53 ms. Allocated memory is still 111.1 MB. Free memory was 72.0 MB in the beginning and 57.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:40:49,397 INFO L168 Benchmark]: Witness Printer took 5.69 ms. Allocated memory is still 111.1 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:40:49,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory is still 84.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 319.86 ms. Allocated memory is still 111.1 MB. Free memory was 67.6 MB in the beginning and 83.7 MB in the end (delta: -16.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.77 ms. Allocated memory is still 111.1 MB. Free memory was 83.7 MB in the beginning and 82.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.50 ms. Allocated memory is still 111.1 MB. Free memory was 82.2 MB in the beginning and 81.6 MB in the end (delta: 630.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 319.98 ms. Allocated memory is still 111.1 MB. Free memory was 81.6 MB in the beginning and 72.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 365.53 ms. Allocated memory is still 111.1 MB. Free memory was 72.0 MB in the beginning and 57.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.69 ms. Allocated memory is still 111.1 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 28]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 25. Possible FailurePath: [L20] float IN = __VERIFIER_nondet_float(); [L15] COND FALSE !(!cond) [L23] float x = IN; [L25] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L27] COND TRUE !(result <= 1.0f && result >= -1.0f) [L28] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 273.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 41.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.8ms SsaConstructionTime, 51.4ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:40:49,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:40:52,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:40:52,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:40:52,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:40:52,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:40:52,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:40:52,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:40:52,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:40:52,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:40:52,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:40:52,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:40:52,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:40:52,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:40:52,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:40:52,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:40:52,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:40:52,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:40:52,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:40:52,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:40:52,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:40:52,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:40:52,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:40:52,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:40:52,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:40:52,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:40:52,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:40:52,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:40:52,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:40:52,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:40:52,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:40:52,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:40:52,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:40:52,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:40:52,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:40:52,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:40:52,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:40:52,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:40:52,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:40:52,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:40:52,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:40:52,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:40:52,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:40:52,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:40:52,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:40:52,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:40:52,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:40:52,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:40:52,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:40:52,474 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:40:52,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:40:52,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:40:52,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:40:52,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:40:52,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:40:52,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:40:52,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:40:52,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:40:52,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:40:52,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:40:52,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:40:52,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:40:52,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:40:52,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:40:52,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:40:52,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:40:52,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:40:52,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:40:52,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:40:52,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:40:52,481 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:40:52,481 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:40:52,481 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:40:52,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:40:52,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:40:52,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:40:52,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:40:52,483 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_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8771fe52d76e2ea5bc3e8e7989f8459d27e5992c [2021-10-15 19:40:52,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:40:52,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:40:52,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:40:53,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:40:53,005 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:40:53,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/floats-cdfpl/sine_2.i [2021-10-15 19:40:53,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data/1028229a7/451477205dcf48a8b41a55358988340f/FLAG0719a8564 [2021-10-15 19:40:53,674 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:40:53,675 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/sv-benchmarks/c/floats-cdfpl/sine_2.i [2021-10-15 19:40:53,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data/1028229a7/451477205dcf48a8b41a55358988340f/FLAG0719a8564 [2021-10-15 19:40:53,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/data/1028229a7/451477205dcf48a8b41a55358988340f [2021-10-15 19:40:53,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:40:53,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:40:53,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:40:53,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:40:54,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:40:54,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:40:53" (1/1) ... [2021-10-15 19:40:54,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5255865b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54, skipping insertion in model container [2021-10-15 19:40:54,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:40:53" (1/1) ... [2021-10-15 19:40:54,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:40:54,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:40:54,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/sv-benchmarks/c/floats-cdfpl/sine_2.i[1143,1156] [2021-10-15 19:40:54,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:40:54,231 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:40:54,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/sv-benchmarks/c/floats-cdfpl/sine_2.i[1143,1156] [2021-10-15 19:40:54,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:40:54,270 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:40:54,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54 WrapperNode [2021-10-15 19:40:54,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:40:54,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:40:54,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:40:54,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:40:54,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:40:54,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:40:54,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:40:54,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:40:54,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:40:54,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:40:54,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:40:54,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:40:54,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (1/1) ... [2021-10-15 19:40:54,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:40:54,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:40:54,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:40:54,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:40:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:40:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:40:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:40:54,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:40:57,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:40:57,296 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-15 19:40:57,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:57 BoogieIcfgContainer [2021-10-15 19:40:57,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:40:57,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:40:57,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:40:57,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:40:57,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:40:53" (1/3) ... [2021-10-15 19:40:57,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137e55b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:40:57, skipping insertion in model container [2021-10-15 19:40:57,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:40:54" (2/3) ... [2021-10-15 19:40:57,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137e55b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:40:57, skipping insertion in model container [2021-10-15 19:40:57,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:57" (3/3) ... [2021-10-15 19:40:57,309 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_2.i [2021-10-15 19:40:57,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:40:57,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:40:57,379 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:40:57,387 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, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:40:57,388 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:40:57,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 11 places, 12 transitions, 24 flow [2021-10-15 19:40:57,426 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-10-15 19:40:57,427 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:40:57,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 12 events. 2/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-15 19:40:57,430 INFO L82 GeneralOperation]: Start removeDead. Operand has 11 places, 12 transitions, 24 flow [2021-10-15 19:40:57,435 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 7 places, 7 transitions, 14 flow [2021-10-15 19:40:57,438 INFO L129 PetriNetUnfolder]: 1/6 cut-off events. [2021-10-15 19:40:57,438 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:40:57,438 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:40:57,439 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-15 19:40:57,440 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:40:57,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:40:57,448 INFO L82 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-10-15 19:40:57,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:40:57,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544294310] [2021-10-15 19:40:57,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:40:57,466 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:40:57,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:40:57,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:40:57,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:43:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:43:15,567 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:46:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:46:51,993 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-15 19:46:51,994 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:46:51,996 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:46:52,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:46:52,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:46:52,203 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:46:52,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:46:52 BoogieIcfgContainer [2021-10-15 19:46:52,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:46:52,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:46:52,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:46:52,241 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:46:52,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:40:57" (3/4) ... [2021-10-15 19:46:52,243 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-15 19:46:52,302 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/witness.graphml [2021-10-15 19:46:52,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:46:52,305 INFO L168 Benchmark]: Toolchain (without parser) took 358315.13 ms. Allocated memory is still 69.2 MB. Free memory was 48.4 MB in the beginning and 47.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 602.2 kB. Max. memory is 16.1 GB. [2021-10-15 19:46:52,305 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 69.2 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:46:52,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.31 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 37.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:46:52,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.61 ms. Allocated memory is still 69.2 MB. Free memory was 37.7 MB in the beginning and 51.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:46:52,310 INFO L168 Benchmark]: Boogie Preprocessor took 65.32 ms. Allocated memory is still 69.2 MB. Free memory was 51.6 MB in the beginning and 50.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:46:52,314 INFO L168 Benchmark]: RCFGBuilder took 2873.36 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 41.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:46:52,315 INFO L168 Benchmark]: TraceAbstraction took 354923.44 ms. Allocated memory is still 69.2 MB. Free memory was 41.1 MB in the beginning and 49.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:46:52,316 INFO L168 Benchmark]: Witness Printer took 77.71 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 47.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:46:52,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 69.2 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.31 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 37.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.61 ms. Allocated memory is still 69.2 MB. Free memory was 37.7 MB in the beginning and 51.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.32 ms. Allocated memory is still 69.2 MB. Free memory was 51.6 MB in the beginning and 50.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2873.36 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 41.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 354923.44 ms. Allocated memory is still 69.2 MB. Free memory was 41.1 MB in the beginning and 49.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Witness Printer took 77.71 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 47.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 28]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L20] float IN = __VERIFIER_nondet_float(); [L15] COND FALSE !(!cond) [L23] float x = IN; [L25] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L27] COND TRUE !(result <= 1.0f && result >= -1.0f) [L28] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 354829.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 46.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.4ms SsaConstructionTime, 138041.8ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-15 19:46:52,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17c52-31fa-4772-bf8c-492da9b2af92/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...