./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX --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 f3a836f0778b6d21f4d56c3116e926721de4d8707d00e01c80d13467fa563470 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:33:25,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:33:25,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:33:25,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:33:25,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:33:25,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:33:25,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:33:25,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:33:25,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:33:25,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:33:25,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:33:25,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:33:25,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:33:25,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:33:25,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:33:25,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:33:25,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:33:25,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:33:25,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:33:25,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:33:25,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:33:25,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:33:25,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:33:25,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:33:25,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:33:25,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:33:25,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:33:25,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:33:25,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:33:25,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:33:25,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:33:25,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:33:25,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:33:25,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:33:25,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:33:25,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:33:25,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:33:25,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:33:25,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:33:25,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:33:25,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:33:25,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 08:33:25,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:33:25,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:33:25,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:33:25,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:33:25,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:33:25,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:33:25,909 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:33:25,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:33:25,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:33:25,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:33:25,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:33:25,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:33:25,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:33:25,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:33:25,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:33:25,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:33:25,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:33:25,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:33:25,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:33:25,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:33:25,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:33:25,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:33:25,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:33:25,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:33:25,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:33:25,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:33:25,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:33:25,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:33:25,915 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:33:25,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:33:25,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:33:25,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:33:25,916 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_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3a836f0778b6d21f4d56c3116e926721de4d8707d00e01c80d13467fa563470 [2021-11-09 08:33:26,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:33:26,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:33:26,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:33:26,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:33:26,197 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:33:26,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/floats-cdfpl/sine_6.i [2021-11-09 08:33:26,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data/b16efbd4a/0ea377d1b9764b5aaa486979ce27fb3f/FLAG471fdb2a2 [2021-11-09 08:33:26,823 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:33:26,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/sv-benchmarks/c/floats-cdfpl/sine_6.i [2021-11-09 08:33:26,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data/b16efbd4a/0ea377d1b9764b5aaa486979ce27fb3f/FLAG471fdb2a2 [2021-11-09 08:33:27,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data/b16efbd4a/0ea377d1b9764b5aaa486979ce27fb3f [2021-11-09 08:33:27,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:33:27,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:33:27,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:33:27,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:33:27,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:33:27,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560beaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27, skipping insertion in model container [2021-11-09 08:33:27,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:33:27,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:33:27,504 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_3fc8af97-28b8-4e88-96f2-804349b0ca58/sv-benchmarks/c/floats-cdfpl/sine_6.i[1143,1156] [2021-11-09 08:33:27,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:33:27,520 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:33:27,541 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_3fc8af97-28b8-4e88-96f2-804349b0ca58/sv-benchmarks/c/floats-cdfpl/sine_6.i[1143,1156] [2021-11-09 08:33:27,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:33:27,560 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:33:27,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27 WrapperNode [2021-11-09 08:33:27,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:33:27,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:33:27,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:33:27,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:33:27,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:33:27,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:33:27,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:33:27,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:33:27,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:33:27,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:33:27,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:33:27,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:33:27,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (1/1) ... [2021-11-09 08:33:27,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:33:27,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:27,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:27,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:33:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:33:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:33:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:33:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:33:27,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:33:27,936 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-09 08:33:27,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:27 BoogieIcfgContainer [2021-11-09 08:33:27,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:33:27,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:33:27,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:33:27,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:33:27,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:33:27" (1/3) ... [2021-11-09 08:33:27,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8a6e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:33:27, skipping insertion in model container [2021-11-09 08:33:27,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:27" (2/3) ... [2021-11-09 08:33:27,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8a6e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:33:27, skipping insertion in model container [2021-11-09 08:33:27,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:27" (3/3) ... [2021-11-09 08:33:27,951 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_6.i [2021-11-09 08:33:27,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:33:27,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 08:33:28,019 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:33:28,028 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 [2021-11-09 08:33:28,029 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 08:33:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-09 08:33:28,050 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:33:28,051 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:33:28,051 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:33:28,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:28,068 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-11-09 08:33:28,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:28,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304764237] [2021-11-09 08:33:28,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:28,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:28,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:33:28,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304764237] [2021-11-09 08:33:28,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304764237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:28,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:28,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:33:28,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272810275] [2021-11-09 08:33:28,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 08:33:28,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:33:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:33:28,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:33:28,320 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-09 08:33:28,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:28,332 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-11-09 08:33:28,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:33:28,333 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-09 08:33:28,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:33:28,340 INFO L225 Difference]: With dead ends: 19 [2021-11-09 08:33:28,341 INFO L226 Difference]: Without dead ends: 7 [2021-11-09 08:33:28,343 INFO L786 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 [2021-11-09 08:33:28,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-11-09 08:33:28,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-11-09 08:33:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2021-11-09 08:33:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-11-09 08:33:28,372 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-11-09 08:33:28,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:33:28,372 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-11-09 08:33:28,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-09 08:33:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-11-09 08:33:28,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-09 08:33:28,374 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:33:28,374 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:33:28,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:33:28,374 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:33:28,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:28,375 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-11-09 08:33:28,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:28,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898458010] [2021-11-09 08:33:28,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:28,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:28,413 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:28,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:28,471 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-09 08:33:28,473 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:33:28,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:33:28,478 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-09 08:33:28,481 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:33:28,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:33:28 BoogieIcfgContainer [2021-11-09 08:33:28,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:33:28,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:33:28,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:33:28,514 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:33:28,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:27" (3/4) ... [2021-11-09 08:33:28,519 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:33:28,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:33:28,522 INFO L168 Benchmark]: Toolchain (without parser) took 1323.33 ms. Allocated memory was 113.2 MB in the beginning and 146.8 MB in the end (delta: 33.6 MB). Free memory was 84.2 MB in the beginning and 121.6 MB in the end (delta: -37.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:28,522 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 113.2 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:28,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.41 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 87.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:28,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.05 ms. Allocated memory is still 113.2 MB. Free memory was 87.4 MB in the beginning and 85.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:28,532 INFO L168 Benchmark]: Boogie Preprocessor took 41.18 ms. Allocated memory is still 113.2 MB. Free memory was 85.9 MB in the beginning and 85.0 MB in the end (delta: 913.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:28,533 INFO L168 Benchmark]: RCFGBuilder took 298.68 ms. Allocated memory is still 113.2 MB. Free memory was 85.0 MB in the beginning and 76.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:28,534 INFO L168 Benchmark]: TraceAbstraction took 570.71 ms. Allocated memory was 113.2 MB in the beginning and 146.8 MB in the end (delta: 33.6 MB). Free memory was 75.9 MB in the beginning and 122.3 MB in the end (delta: -46.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:28,534 INFO L168 Benchmark]: Witness Printer took 6.38 ms. Allocated memory is still 146.8 MB. Free memory was 121.6 MB in the beginning and 121.6 MB in the end (delta: 47.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:28,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 113.2 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.41 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 87.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.05 ms. Allocated memory is still 113.2 MB. Free memory was 87.4 MB in the beginning and 85.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.18 ms. Allocated memory is still 113.2 MB. Free memory was 85.9 MB in the beginning and 85.0 MB in the end (delta: 913.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 298.68 ms. Allocated memory is still 113.2 MB. Free memory was 85.0 MB in the beginning and 76.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 570.71 ms. Allocated memory was 113.2 MB in the beginning and 146.8 MB in the end (delta: 33.6 MB). Free memory was 75.9 MB in the beginning and 122.3 MB in the end (delta: -46.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.38 ms. Allocated memory is still 146.8 MB. Free memory was 121.6 MB in the beginning and 121.6 MB in the end (delta: 47.4 kB). 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, 0.0s 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: 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 <= 1.2f && result >= -1.2f) [L28] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 [2021-11-09 08:33:28,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX --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 f3a836f0778b6d21f4d56c3116e926721de4d8707d00e01c80d13467fa563470 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:33:31,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:33:31,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:33:31,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:33:31,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:33:31,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:33:31,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:33:31,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:33:31,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:33:31,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:33:31,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:33:31,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:33:31,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:33:31,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:33:31,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:33:31,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:33:31,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:33:31,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:33:31,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:33:31,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:33:31,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:33:31,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:33:31,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:33:31,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:33:31,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:33:31,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:33:31,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:33:31,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:33:31,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:33:31,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:33:31,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:33:31,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:33:31,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:33:31,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:33:31,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:33:31,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:33:31,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:33:31,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:33:31,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:33:31,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:33:31,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:33:31,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-09 08:33:31,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:33:31,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:33:31,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:33:31,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:33:31,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:33:31,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:33:31,198 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:33:31,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:33:31,198 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:33:31,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:33:31,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:33:31,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:33:31,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:33:31,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:33:31,200 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-09 08:33:31,201 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-09 08:33:31,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:33:31,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:33:31,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:33:31,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:33:31,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:33:31,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:33:31,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:33:31,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:33:31,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:33:31,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:33:31,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:33:31,203 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-09 08:33:31,204 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-09 08:33:31,204 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:33:31,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:33:31,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:33:31,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:33:31,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-09 08:33:31,205 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_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3a836f0778b6d21f4d56c3116e926721de4d8707d00e01c80d13467fa563470 [2021-11-09 08:33:31,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:33:31,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:33:31,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:33:31,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:33:31,624 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:33:31,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/floats-cdfpl/sine_6.i [2021-11-09 08:33:31,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data/2b898528d/2d2d282b2f604c27865eaf08a2a37aa1/FLAG4f568b4ea [2021-11-09 08:33:32,314 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:33:32,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/sv-benchmarks/c/floats-cdfpl/sine_6.i [2021-11-09 08:33:32,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data/2b898528d/2d2d282b2f604c27865eaf08a2a37aa1/FLAG4f568b4ea [2021-11-09 08:33:32,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/data/2b898528d/2d2d282b2f604c27865eaf08a2a37aa1 [2021-11-09 08:33:32,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:33:32,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:33:32,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:33:32,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:33:32,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:33:32,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685996a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32, skipping insertion in model container [2021-11-09 08:33:32,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:33:32,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:33:32,887 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_3fc8af97-28b8-4e88-96f2-804349b0ca58/sv-benchmarks/c/floats-cdfpl/sine_6.i[1143,1156] [2021-11-09 08:33:32,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:33:32,904 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:33:32,921 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_3fc8af97-28b8-4e88-96f2-804349b0ca58/sv-benchmarks/c/floats-cdfpl/sine_6.i[1143,1156] [2021-11-09 08:33:32,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:33:32,936 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:33:32,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32 WrapperNode [2021-11-09 08:33:32,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:33:32,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:33:32,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:33:32,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:33:32,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:33:32,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:33:32,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:33:32,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:33:32,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:32,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:33,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:33:33,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:33:33,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:33:33,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:33:33,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (1/1) ... [2021-11-09 08:33:33,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:33:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:33,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:33,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:33:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-09 08:33:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:33:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:33:33,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:33:35,588 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:33:35,588 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-09 08:33:35,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:35 BoogieIcfgContainer [2021-11-09 08:33:35,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:33:35,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:33:35,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:33:35,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:33:35,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:33:32" (1/3) ... [2021-11-09 08:33:35,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5511d665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:33:35, skipping insertion in model container [2021-11-09 08:33:35,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:32" (2/3) ... [2021-11-09 08:33:35,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5511d665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:33:35, skipping insertion in model container [2021-11-09 08:33:35,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:35" (3/3) ... [2021-11-09 08:33:35,598 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_6.i [2021-11-09 08:33:35,603 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:33:35,604 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 08:33:35,651 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:33:35,658 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 [2021-11-09 08:33:35,658 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 08:33:35,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-09 08:33:35,677 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:33:35,678 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:33:35,678 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:33:35,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:35,685 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-11-09 08:33:35,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:33:35,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972809772] [2021-11-09 08:33:35,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:35,698 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:33:35,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:33:35,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:33:35,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-09 08:33:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:36,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-09 08:33:36,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:36,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 08:33:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:36,677 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 08:33:36,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972809772] [2021-11-09 08:33:36,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972809772] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:36,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:36,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-09 08:33:36,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63004900] [2021-11-09 08:33:36,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 08:33:36,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 08:33:36,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:33:36,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:33:36,705 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-09 08:33:36,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:36,716 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-11-09 08:33:36,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:33:36,718 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-09 08:33:36,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:33:36,726 INFO L225 Difference]: With dead ends: 19 [2021-11-09 08:33:36,726 INFO L226 Difference]: Without dead ends: 7 [2021-11-09 08:33:36,729 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:33:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-11-09 08:33:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-11-09 08:33:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2021-11-09 08:33:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-11-09 08:33:36,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-11-09 08:33:36,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:33:36,754 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-11-09 08:33:36,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-09 08:33:36,755 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-11-09 08:33:36,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-09 08:33:36,755 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:33:36,756 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:33:36,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:36,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 08:33:36,977 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:33:36,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:36,978 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-11-09 08:33:36,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:33:36,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570062664] [2021-11-09 08:33:36,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:36,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:33:36,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:33:36,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:33:36,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fc8af97-28b8-4e88-96f2-804349b0ca58/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process